diff --git a/benches/ecsgame.luau b/benches/ecsgame.luau
new file mode 100755
index 0000000..17c3559
--- /dev/null
+++ b/benches/ecsgame.luau
@@ -0,0 +1,201 @@
+local jecs = require("@jecs")
+
+local world = jecs.world()
+local Physics = world:entity()
+local DamagableByPlayer = world:entity()
+local Mob = world:entity()
+local Player = world:entity()
+local Goblin = world:entity()
+
+local Position = world:component() :: jecs.Id<vector>
+local Velocity = world:component() :: jecs.Id<vector>
+local Acceleration = world:component() :: jecs.Id<vector>
+
+local Health = world:component() :: jecs.Id<number>
+local MaxHealth = world:component() :: jecs.Id<number>
+
+local TouchHurts = world:entity()
+
+
+local function setup_player(entity: jecs.Entity)
+	jecs.bulk_insert(world, entity,
+		{
+			MaxHealth,
+			Health,
+			Position,
+			Acceleration,
+			Velocity,
+			Player,
+			Mob,
+			DamagableByPlayer,
+			Physics,
+		},
+		{
+			100,
+			100,
+			vector.zero,
+			vector.zero,
+			vector.zero,
+		}
+	)
+end
+local function setup_goblin(entity: jecs.Entity)
+	jecs.bulk_insert(world, entity,
+		{
+			MaxHealth,
+			Health,
+			Position,
+			Acceleration,
+			Velocity,
+			Mob,
+			Goblin,
+			DamagableByPlayer,
+			Physics
+		},
+		{
+			200,
+			200,
+			vector.zero,
+			vector.zero,
+			vector.zero,
+		}
+	)
+end
+
+local function setup_wood_spikes(entity: jecs.Entity)
+	jecs.bulk_insert(world, entity,
+		{
+			Position,
+			TouchHurts,
+		},
+		{
+			vector.normalize(vector.create(math.random(), math.random(), math.random()))
+		}
+	)
+end
+
+type EntityKind = "player" | "goblin" | "ogre" | "big_boss_goblin" | "wood_spikes"
+
+local function exhaustive(x: never?)
+	error(x)
+end
+
+local function entity_create(kind: EntityKind)
+	local new_entity = world:entity()
+	if kind == "player" then
+		setup_player(new_entity)
+	elseif kind == "big_boss_goblin" then
+		setup_goblin(new_entity)
+	elseif kind == "goblin" then
+		setup_goblin(new_entity)
+	elseif kind == "wood_spikes" then
+		setup_wood_spikes(new_entity)
+	elseif kind == "ogre" then
+		setup_goblin(new_entity)
+	else
+		exhaustive(kind)
+	end
+end
+
+for i = 1, 10 do
+	entity_create("player")
+end
+
+for i = 1, 100 do
+	entity_create("goblin")
+end
+
+for i = 1, 1000 do
+	entity_create("wood_spikes")
+end
+
+local it = 0
+
+local has_physics = world:query(Position, Velocity, Acceleration):cached()
+local touch_hurts_against_mobs = world:query(Position):with(TouchHurts):cached()
+local damageable_mobs = world:query(Position, Health):with(DamagableByPlayer):cached()
+local players = world:query(Position):with(Player):cached()
+local dying_mobs = world:query(Health):cached()
+
+local function physics(dt: number)
+	for entity, pos, vel, acc in has_physics do
+		vel += acc * dt
+		pos += vel * dt
+		acc = vector.zero
+		world:set(entity, Velocity, vel)
+		world:set(entity, Position, vel)
+		world:set(entity, Acceleration, vel)
+		it+=1
+	end
+end
+
+local function touch_hurts_mobs()
+	for _, arch2 in damageable_mobs:archetypes() do
+		local against_positions = arch2.columns_map[Position]
+		local against_health = arch2.columns_map[Health]
+		for row2, health in against_health do
+			it += 1
+			local against_pos = against_positions[row2]
+			for _, arch1 in touch_hurts_against_mobs:archetypes() do
+				local entity_positions = arch1.columns_map[Position]
+				for row, entity_pos in entity_positions do
+					it += 1
+					if vector.magnitude(against_pos - entity_pos) < 5  then
+						continue
+					end
+					health -= 1
+				end
+			end
+
+			against_health[row2] = health
+		end
+	end
+end
+
+local function players_damage_mobs()
+	for _, arch2 in damageable_mobs:archetypes() do
+		local against_health = arch2.columns_map[Health]
+		for row2, health in against_health do
+			it += 1
+			for _, arch1 in players:archetypes() do
+				local entity_positions = arch1.columns_map[Position]
+				for row, entity_pos in entity_positions do
+					it += 1
+					health -= 1
+				end
+			end
+
+			against_health[row2] = health
+		end
+	end
+end
+
+local function mobs_die()
+	for entity, health in dying_mobs do
+		it += 1
+		if health <= 0 then
+			world:delete(entity)
+		end
+	end
+end
+
+local function update(dt: number, tick: number)
+	it = 0
+	physics(dt)
+
+	touch_hurts_mobs(dt)
+
+	players_damage_mobs(dt)
+
+	mobs_die(dt)
+
+	if (tick % 10)==0 then
+		entity_create("goblin")
+		entity_create("player")
+	end
+end
+
+-- 0.062 seconds for 1000 frames.
+for i = 1, 1000 do
+	update(1/60, i)
+end
diff --git a/benches/smallgame.luau b/benches/smallgame.luau
new file mode 100755
index 0000000..8e9ba33
--- /dev/null
+++ b/benches/smallgame.luau
@@ -0,0 +1,213 @@
+local gamestate = {
+	entities = {} :: { Entity },
+	entity_top_count = 0,
+	entity_id_gen = 0
+}
+for i = 1, 2048 do
+	gamestate.entities[i] = {} :: Entity
+end
+
+type EntityKind = "player" | "goblin" | "ogre" | "big_boss_goblin" | "wood_spikes"
+type EntityHandle = {
+	index: number,
+	id: number
+}
+type Entity = {
+	allocated: boolean,
+	handle: EntityHandle,
+	kind: EntityKind,
+
+	has_physics: boolean,
+	damagable_by_player: boolean,
+	is_mob: boolean,
+	blocks_mobs: boolean,
+
+	position: vector,
+	velocity: vector,
+	acceleration: vector,
+	hitbox: vector,
+	hit_cooldown_end_time: number,
+	health: number,
+	next_attack_time: number,
+	sprite_id: number,
+	current_animation_frame: number,
+
+	update: (Entity) -> (),
+	draw: (Entity) -> (),
+	max_health: number,
+
+}
+
+local function exhaustive(x: never?)
+	error(x)
+end
+
+local function entity_delete(entity: Entity)
+	table.clear(entity::any)
+end
+
+local it = 0
+local it_qualified = 0
+local function setup_player(entity: Entity)
+	entity.kind = "player"
+	entity.is_mob = true
+	entity.damagable_by_player = true
+	entity.max_health = 100
+	entity.health = 100
+	entity.has_physics = true
+	entity.acceleration = vector.zero
+	entity.velocity = vector.zero
+	entity.position = vector.zero
+
+	entity.update = function()
+		entity.health = entity.max_health
+		entity.acceleration += vector.create(
+			math.random(1, 5),
+			math.random(1, 5),
+			math.random(1, 5)
+		)
+		if entity.health <= 0 then
+			entity_delete(entity)
+		end
+
+		for _, against in gamestate.entities do
+			it += 1
+			if not against.allocated then
+				continue
+			end
+			if not against.damagable_by_player then
+				continue
+			end
+			it_qualified += 1
+			against.health -= 1
+
+		end
+	end
+end
+local function setup_goblin(entity: Entity)
+	entity.kind = "goblin"
+	entity.is_mob = true
+	entity.damagable_by_player = true
+	entity.max_health = 200
+	entity.health = 200
+	entity.has_physics = true
+	entity.acceleration = vector.zero
+	entity.velocity = vector.zero
+	entity.position = vector.zero
+
+	entity.update = function()
+		entity.acceleration += vector.normalize(vector.create(math.random(), math.random(), math.random()))
+		if entity.health <= 0 then
+			entity_delete(entity)
+		end
+	end
+end
+
+local function setup_wood_spikes(entity: Entity)
+	entity.kind = "wood_spikes"
+	entity.is_mob = false
+	entity.damagable_by_player = false
+	entity.position = vector.create(
+		math.random(1, 5),
+		math.random(1, 5),
+		math.random(1, 5)
+	)
+
+	entity.update = function()
+		for _, against in gamestate.entities do
+			it += 1
+			if not against.allocated then
+				continue
+			end
+			if against.is_mob == false then
+				continue
+			end
+			if vector.magnitude(against.position - entity.position) < 5 then
+				continue
+			end
+
+			it_qualified += 1
+			against.health -= 1
+		end
+	end
+end
+
+local function entity_create(kind: EntityKind): Entity
+	local new_entity: Entity = nil::any
+	local new_index = 0
+	for index, entity in gamestate.entities do
+		if entity.allocated then
+			continue
+		end
+		new_entity = entity
+		new_index = index
+		break
+	end
+
+	assert(new_index ~= 0)
+	gamestate.entity_top_count += 1
+
+	new_entity.handle = {} :: EntityHandle
+	new_entity.allocated = true
+	gamestate.entity_id_gen += 1
+	new_entity.handle.id = gamestate.entity_id_gen
+	new_entity.handle.index = new_index
+
+	gamestate.entities[new_index] = new_entity
+
+	if kind == "player" then
+		setup_player(new_entity)
+	elseif kind == "big_boss_goblin" then
+		setup_goblin(new_entity)
+	elseif kind == "goblin" then
+		setup_goblin(new_entity)
+	elseif kind == "wood_spikes" then
+		setup_wood_spikes(new_entity)
+	elseif kind == "ogre" then
+		setup_goblin(new_entity)
+	else
+		exhaustive(kind)
+	end
+
+	return new_entity
+end
+
+for i = 1, 10 do
+	entity_create("player")
+end
+
+for i = 1, 100 do
+	entity_create("goblin")
+end
+
+for i = 1, 1000 do
+	entity_create("wood_spikes")
+end
+
+local function update(dt: number, tick: number)
+	it = 0
+	it_qualified = 0
+	for _, entity in gamestate.entities do
+		it += 1
+		if not entity.allocated then
+			continue
+		end
+		it_qualified += 1
+		entity.update(entity)
+
+		if entity.has_physics then
+			entity.velocity += entity.acceleration * dt
+			entity.position += entity.velocity * dt
+			entity.acceleration = vector.zero
+		end
+	end
+	if (tick % 10)==0 then
+		entity_create("goblin")
+		entity_create("player")
+	end
+end
+
+-- 14.839 seconds for 1000 frames
+for i = 1, 1000 do
+	update(1/60, i)
+end
diff --git a/examples/luau/hooks/traits/isa.luau b/examples/luau/hooks/traits/isa.luau
new file mode 100755
index 0000000..71125b1
--- /dev/null
+++ b/examples/luau/hooks/traits/isa.luau
@@ -0,0 +1,46 @@
+local jecs = require("@jecs")
+local world = jecs.world()
+local IsA = world:entity()
+world:set(IsA, jecs.OnAdd, function(component, id)
+	local second = jecs.pair_second(world, id)
+	assert(second ~= component, "circular")
+
+	local is_tag = jecs.is_tag(world, second)
+	world:added(component, function(entity, _, value)
+		if is_tag then
+			world:add(entity, second)
+		else
+			world:set(entity, second, value)
+		end
+	end)
+
+	world:removed(component, function(entity)
+		world:remove(entity, second)
+	end)
+
+	if not is_tag then
+		world:changed(component, function(entity, _, value)
+			world:set(entity, second, value)
+		end)
+	end
+
+	local r = jecs.record(world, second) :: jecs.Record
+	local archetype = r.archetype
+	if not archetype then
+		return
+	end
+	local types = archetype.types
+
+	for _, id in types do
+		if jecs.is_tag(world, id) then
+			world:add(component, id)
+		else
+			local metadata = world:get(second, id)
+			if not world:has(component, id) then
+				world:set(component, id, metadata)
+			end
+		end
+	end
+
+	-- jecs.bulk_insert(world, component, ids, values)
+end)
diff --git a/perf.svg b/perf.svg
new file mode 100755
index 0000000..18dd810
--- /dev/null
+++ b/perf.svg
@@ -0,0 +1,654 @@
+<?xml version="1.0" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<svg version="1.1" width="1200" height="192" onload="init(evt)" viewBox="0 0 1200 192" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<!-- Flame graph stack visualization. See https://github.com/brendangregg/FlameGraph for latest version, and http://www.brendangregg.com/flamegraphs.html for examples. -->
+<defs>
+    <linearGradient id="background" y1="0" y2="1" x1="0" x2="0" >
+        <stop stop-color="#eeeeee" offset="5%" />
+        <stop stop-color="#eeeeb0" offset="95%" />
+    </linearGradient>
+</defs>
+<style type="text/css">
+    text { font-family:Verdana; font-size:12px; fill:rgb(0,0,0); }
+    #search, #ignorecase { opacity:0.1; cursor:pointer; }
+    #search:hover, #search.show, #ignorecase:hover, #ignorecase.show { opacity:1; }
+    #subtitle { text-anchor:middle; font-color:rgb(160,160,160); }
+    #title { text-anchor:middle; font-size:17px}
+    #unzoom { cursor:pointer; }
+    #frames > *:hover { stroke:black; stroke-width:0.5; cursor:pointer; }
+    .hide { display:none; }
+    .parent { opacity:0.5; }
+</style>
+<script type="text/ecmascript">
+<![CDATA[
+    "use strict";
+    var details, searchbtn, unzoombtn, matchedtxt, svg, searching, currentSearchTerm, ignorecase, ignorecaseBtn;
+    function init(evt) {
+        details = document.getElementById("details").firstChild;
+        searchbtn = document.getElementById("search");
+        ignorecaseBtn = document.getElementById("ignorecase");
+        unzoombtn = document.getElementById("unzoom");
+        matchedtxt = document.getElementById("matched");
+        svg = document.getElementsByTagName("svg")[0];
+        searching = 0;
+        currentSearchTerm = null;
+    }
+
+    window.addEventListener("click", function(e) {
+        var target = find_group(e.target);
+        if (target) {
+            if (target.nodeName == "a") {
+                if (e.ctrlKey === false) return;
+                e.preventDefault();
+            }
+            if (target.classList.contains("parent")) unzoom();
+            zoom(target);
+        }
+        else if (e.target.id == "unzoom") unzoom();
+        else if (e.target.id == "search") search_prompt();
+        else if (e.target.id == "ignorecase") toggle_ignorecase();
+    }, false)
+
+    // mouse-over for info
+    // show
+    window.addEventListener("mouseover", function(e) {
+        var target = find_group(e.target);
+        if (target) details.nodeValue = g_to_text(target);
+    }, false)
+
+    // clear
+    window.addEventListener("mouseout", function(e) {
+        var target = find_group(e.target);
+        if (target) details.nodeValue = ' ';
+    }, false)
+
+    // ctrl-F for search
+    window.addEventListener("keydown",function (e) {
+        if (e.keyCode === 114 || (e.ctrlKey && e.keyCode === 70)) {
+            e.preventDefault();
+            search_prompt();
+        }
+    }, false)
+
+    // ctrl-I to toggle case-sensitive search
+    window.addEventListener("keydown",function (e) {
+        if (e.ctrlKey && e.keyCode === 73) {
+            e.preventDefault();
+            toggle_ignorecase();
+        }
+    }, false)
+
+    // functions
+    function find_child(node, selector) {
+        var children = node.querySelectorAll(selector);
+        if (children.length) return children[0];
+        return;
+    }
+    function find_group(node) {
+        var parent = node.parentElement;
+        if (!parent) return;
+        if (parent.id == "frames") return node;
+        return find_group(parent);
+    }
+    function orig_save(e, attr, val) {
+        if (e.attributes["_orig_" + attr] != undefined) return;
+        if (e.attributes[attr] == undefined) return;
+        if (val == undefined) val = e.attributes[attr].value;
+        e.setAttribute("_orig_" + attr, val);
+    }
+    function orig_load(e, attr) {
+        if (e.attributes["_orig_"+attr] == undefined) return;
+        e.attributes[attr].value = e.attributes["_orig_" + attr].value;
+        e.removeAttribute("_orig_"+attr);
+    }
+    function g_to_text(e) {
+        var text = find_child(e, "details").firstChild.nodeValue;
+        return (text)
+    }
+    function g_to_func(e) {
+        var child = find_child(e, "rawtext");
+        return child ? child.textContent : null;
+    }
+    function update_text(e) {
+        var r = find_child(e, "rect");
+        var t = find_child(e, "text");
+        var w = parseFloat(r.attributes.width.value) -3;
+        var txt = find_child(e, "rawtext").textContent.replace(/\([^(]*\)$/,"");
+        t.attributes.x.value = parseFloat(r.attributes.x.value) + 3;
+
+        // Smaller than this size won't fit anything
+        if (w < 2 * 12 * 0.59) {
+            t.textContent = "";
+            return;
+        }
+
+        t.textContent = txt;
+        // Fit in full text width
+        if (/^ *$/.test(txt) || t.getSubStringLength(0, txt.length) < w)
+            return;
+
+        for (var x = txt.length - 2; x > 0; x--) {
+            if (t.getSubStringLength(0, x + 2) <= w) {
+                t.textContent = txt.substring(0, x) + "..";
+                return;
+            }
+        }
+        t.textContent = "";
+    }
+
+    // zoom
+    function zoom_reset(e) {
+        if (e.attributes != undefined) {
+            orig_load(e, "x");
+            orig_load(e, "width");
+        }
+        if (e.childNodes == undefined) return;
+        for (var i = 0, c = e.childNodes; i < c.length; i++) {
+            zoom_reset(c[i]);
+        }
+    }
+    function zoom_child(e, x, ratio) {
+        if (e.attributes != undefined) {
+            if (e.attributes.x != undefined) {
+                orig_save(e, "x");
+                e.attributes.x.value = (parseFloat(e.attributes.x.value) - x - 10) * ratio + 10;
+                if (e.tagName == "text")
+                    e.attributes.x.value = find_child(e.parentNode, "rect[x]").attributes.x.value + 3;
+            }
+            if (e.attributes.width != undefined) {
+                orig_save(e, "width");
+                e.attributes.width.value = parseFloat(e.attributes.width.value) * ratio;
+            }
+        }
+
+        if (e.childNodes == undefined) return;
+        for (var i = 0, c = e.childNodes; i < c.length; i++) {
+            zoom_child(c[i], x - 10, ratio);
+        }
+    }
+    function zoom_parent(e) {
+        if (e.attributes) {
+            if (e.attributes.x != undefined) {
+                orig_save(e, "x");
+                e.attributes.x.value = 10;
+            }
+            if (e.attributes.width != undefined) {
+                orig_save(e, "width");
+                e.attributes.width.value = parseInt(svg.width.baseVal.value) - (10 * 2);
+            }
+        }
+        if (e.childNodes == undefined) return;
+        for (var i = 0, c = e.childNodes; i < c.length; i++) {
+            zoom_parent(c[i]);
+        }
+    }
+    function zoom(node) {
+        var attr = find_child(node, "rect").attributes;
+        var width = parseFloat(attr.width.value);
+        var xmin = parseFloat(attr.x.value);
+        var xmax = parseFloat(xmin + width);
+        var ymin = parseFloat(attr.y.value);
+        var ratio = (svg.width.baseVal.value - 2 * 10) / width;
+
+        // XXX: Workaround for JavaScript float issues (fix me)
+        var fudge = 0.0001;
+
+        unzoombtn.classList.remove("hide");
+
+        var el = document.getElementById("frames").children;
+        for (var i = 0; i < el.length; i++) {
+            var e = el[i];
+            var a = find_child(e, "rect").attributes;
+            var ex = parseFloat(a.x.value);
+            var ew = parseFloat(a.width.value);
+            var upstack;
+            // Is it an ancestor
+            if (1 == 1) {
+                upstack = parseFloat(a.y.value) > ymin;
+            } else {
+                upstack = parseFloat(a.y.value) < ymin;
+            }
+            if (upstack) {
+                // Direct ancestor
+                if (ex <= xmin && (ex+ew+fudge) >= xmax) {
+                    e.classList.add("parent");
+                    zoom_parent(e);
+                    update_text(e);
+                }
+                // not in current path
+                else
+                    e.classList.add("hide");
+            }
+            // Children maybe
+            else {
+                // no common path
+                if (ex < xmin || ex + fudge >= xmax) {
+                    e.classList.add("hide");
+                }
+                else {
+                    zoom_child(e, xmin, ratio);
+                    update_text(e);
+                }
+            }
+        }
+        search();
+    }
+    function unzoom() {
+        unzoombtn.classList.add("hide");
+        var el = document.getElementById("frames").children;
+        for(var i = 0; i < el.length; i++) {
+            el[i].classList.remove("parent");
+            el[i].classList.remove("hide");
+            zoom_reset(el[i]);
+            update_text(el[i]);
+        }
+        search();
+    }
+
+    // search
+    function toggle_ignorecase() {
+        ignorecase = !ignorecase;
+        if (ignorecase) {
+            ignorecaseBtn.classList.add("show");
+        } else {
+            ignorecaseBtn.classList.remove("show");
+        }
+        reset_search();
+        search();
+    }
+    function reset_search() {
+        var el = document.querySelectorAll("#frames rect");
+        for (var i = 0; i < el.length; i++) {
+            orig_load(el[i], "fill")
+        }
+    }
+    function search_prompt() {
+        if (!searching) {
+            var term = prompt("Enter a search term (regexp " +
+                "allowed, eg: ^ext4_)"
+                + (ignorecase ? ", ignoring case" : "")
+                + "\nPress Ctrl-i to toggle case sensitivity", "");
+            if (term != null) {
+                currentSearchTerm = term;
+                search();
+            }
+        } else {
+            reset_search();
+            searching = 0;
+            currentSearchTerm = null;
+            searchbtn.classList.remove("show");
+            searchbtn.firstChild.nodeValue = "Search"
+            matchedtxt.classList.add("hide");
+            matchedtxt.firstChild.nodeValue = ""
+        }
+    }
+    function search(term) {
+        if (currentSearchTerm === null) return;
+        var term = currentSearchTerm;
+
+        var re = new RegExp(term, ignorecase ? 'i' : '');
+        var el = document.getElementById("frames").children;
+        var matches = new Object();
+        var maxwidth = 0;
+        for (var i = 0; i < el.length; i++) {
+            var e = el[i];
+            var func = g_to_func(e);
+            var rect = find_child(e, "rect");
+            if (func == null || rect == null)
+                continue;
+
+            // Save max width. Only works as we have a root frame
+            var w = parseFloat(rect.attributes.width.value);
+            if (w > maxwidth)
+                maxwidth = w;
+
+            if (func.match(re)) {
+                // highlight
+                var x = parseFloat(rect.attributes.x.value);
+                orig_save(rect, "fill");
+                rect.attributes.fill.value = "rgb(230,0,230)";
+
+                // remember matches
+                if (matches[x] == undefined) {
+                    matches[x] = w;
+                } else {
+                    if (w > matches[x]) {
+                        // overwrite with parent
+                        matches[x] = w;
+                    }
+                }
+                searching = 1;
+            }
+        }
+        if (!searching)
+            return;
+
+        searchbtn.classList.add("show");
+        searchbtn.firstChild.nodeValue = "Reset Search";
+
+        // calculate percent matched, excluding vertical overlap
+        var count = 0;
+        var lastx = -1;
+        var lastw = 0;
+        var keys = Array();
+        for (k in matches) {
+            if (matches.hasOwnProperty(k))
+                keys.push(k);
+        }
+        // sort the matched frames by their x location
+        // ascending, then width descending
+        keys.sort(function(a, b){
+            return a - b;
+        });
+        // Step through frames saving only the biggest bottom-up frames
+        // thanks to the sort order. This relies on the tree property
+        // where children are always smaller than their parents.
+        var fudge = 0.0001; // JavaScript floating point
+        for (var k in keys) {
+            var x = parseFloat(keys[k]);
+            var w = matches[keys[k]];
+            if (x >= lastx + lastw - fudge) {
+                count += w;
+                lastx = x;
+                lastw = w;
+            }
+        }
+        // display matched percent
+        matchedtxt.classList.remove("hide");
+        var pct = 100 * count / maxwidth;
+        if (pct != 100) pct = pct.toFixed(1)
+        matchedtxt.firstChild.nodeValue = "Matched: " + pct + "%";
+    }
+]]>
+</script>
+<rect x="0.0" y="0" width="1200.0" height="192.0" fill="url(#background)"  />
+<text id="title" x="600.00" y="24" >Flame Graph</text>
+<text id="unzoom" x="10.00" y="24" class="hide">Reset Zoom</text>
+<text id="search" x="1090.00" y="24" >Search</text>
+<text id="ignorecase" x="1174.00" y="24" >ic</text>
+<text id="matched" x="1090.00" y="179" > </text>
+<text id="details" x="10.00" y="179" > </text>
+<g id="frames">
+
+<g>
+<title></title>
+<details>Function:  [:0] (86,990 usec, 100.0%); self: 0 usec</details>
+<rect x='10.0' y='144' width='1180.0' height='15' fill='rgb(250,211,50)' rx='2' ry='2' />
+<text x='13.0' y='154.5'></text>
+<rawtext></rawtext>
+</g>
+<g>
+<title>
+./benches/ecsgame.luau:1</title>
+<details>Function:  [./benches/ecsgame.luau:1] (59,386 usec, 68.3%); self: 900 usec</details>
+<rect x='10.0' y='128' width='805.5578802161168' height='15' fill='rgb(245,226,25)' rx='2' ry='2' />
+<text x='13.0' y='138.5'></text>
+<rawtext></rawtext>
+</g>
+<g>
+<title>
+C:/Users/Marcus/Documents/packages/jecs/jecs.luau:1</title>
+<details>Function:  [C:/Users/Marcus/Documents/packages/jecs/jecs.luau:1] (27,604 usec, 31.7%); self: 27,604 usec</details>
+<rect x='815.5578802161168' y='128' width='374.4421197838832' height='15' fill='rgb(224,152,32)' rx='2' ry='2' />
+<text x='818.5578802161168' y='138.5'></text>
+<rawtext></rawtext>
+</g>
+<g>
+<title>update
+./benches/ecsgame.luau:117</title>
+<details>Function: update [./benches/ecsgame.luau:117] (55,932 usec, 64.3%); self: 48,036 usec</details>
+<rect x='10.0' y='112' width='758.7051385216693' height='15' fill='rgb(230,186,52)' rx='2' ry='2' />
+<text x='13.0' y='122.5'>update</text>
+<rawtext>update</rawtext>
+</g>
+<g>
+<title>entity_create
+./benches/ecsgame.luau:83</title>
+<details>Function: entity_create [./benches/ecsgame.luau:83] (1,800 usec, 2.1%); self: 0 usec</details>
+<rect x='768.7051385216693' y='112' width='24.416599609150477' height='15' fill='rgb(241,106,33)' rx='2' ry='2' />
+<text x='771.7051385216693' y='122.5'>e..</text>
+<rawtext>entity_create</rawtext>
+</g>
+<g>
+<title>world_new
+C:/Users/Marcus/Documents/packages/jecs/jecs.luau:2206</title>
+<details>Function: world_new [C:/Users/Marcus/Documents/packages/jecs/jecs.luau:2206] (100 usec, 0.1%); self: 0 usec</details>
+<rect x='801.9931026554776' y='112' width='1.3564777560639154' height='15' fill='rgb(254,140,1)' rx='2' ry='2' />
+<text x='804.9931026554776' y='122.5'></text>
+<rawtext>world_new</rawtext>
+</g>
+<g>
+<title>require</title>
+<details>Function: require [[C]:0] (654 usec, 0.8%); self: 654 usec</details>
+<rect x='793.1217381308196' y='112' width='8.871364524658008' height='15' fill='rgb(215,11,48)' rx='2' ry='2' />
+<text x='796.1217381308196' y='122.5'></text>
+<rawtext>require</rawtext>
+</g>
+<g>
+<title>entity_create
+./benches/ecsgame.luau:83</title>
+<details>Function: entity_create [./benches/ecsgame.luau:83] (4,195 usec, 4.8%); self: 100 usec</details>
+<rect x='10.0' y='96' width='56.90424186688125' height='15' fill='rgb(241,106,33)' rx='2' ry='2' />
+<text x='13.0' y='106.5'>entity..</text>
+<rawtext>entity_create</rawtext>
+</g>
+<g>
+<title>world_query_iter_next
+C:/Users/Marcus/Documents/packages/jecs/jecs.luau:1747</title>
+<details>Function: world_query_iter_next [C:/Users/Marcus/Documents/packages/jecs/jecs.luau:1747] (300 usec, 0.3%); self: 300 usec</details>
+<rect x='107.61213932635935' y='96' width='4.069433268191746' height='15' fill='rgb(223,177,38)' rx='2' ry='2' />
+<text x='110.61213932635935' y='106.5'></text>
+<rawtext>world_query_iter_next</rawtext>
+</g>
+<g>
+<title>world_set
+C:/Users/Marcus/Documents/packages/jecs/jecs.luau:2399</title>
+<details>Function: world_set [C:/Users/Marcus/Documents/packages/jecs/jecs.luau:2399] (400 usec, 0.5%); self: 400 usec</details>
+<rect x='96.76031727784802' y='96' width='5.425911024255662' height='15' fill='rgb(254,21,5)' rx='2' ry='2' />
+<text x='99.76031727784802' y='106.5'></text>
+<rawtext>world_set</rawtext>
+</g>
+<g>
+<title>world_query_iter_next
+C:/Users/Marcus/Documents/packages/jecs/jecs.luau:1798</title>
+<details>Function: world_query_iter_next [C:/Users/Marcus/Documents/packages/jecs/jecs.luau:1798] (400 usec, 0.5%); self: 400 usec</details>
+<rect x='102.18622830210369' y='96' width='5.425911024255662' height='15' fill='rgb(230,200,34)' rx='2' ry='2' />
+<text x='105.18622830210369' y='106.5'></text>
+<rawtext>world_query_iter_next</rawtext>
+</g>
+<g>
+<title>query_archetypes
+C:/Users/Marcus/Documents/packages/jecs/jecs.luau:1163</title>
+<details>Function: query_archetypes [C:/Users/Marcus/Documents/packages/jecs/jecs.luau:1163] (100 usec, 0.1%); self: 100 usec</details>
+<rect x='115.75100586274284' y='96' width='1.3564777560639154' height='15' fill='rgb(245,34,30)' rx='2' ry='2' />
+<text x='118.75100586274284' y='106.5'></text>
+<rawtext>query_archetypes</rawtext>
+</g>
+<g>
+<title>world_delete
+C:/Users/Marcus/Documents/packages/jecs/jecs.luau:2920</title>
+<details>Function: world_delete [C:/Users/Marcus/Documents/packages/jecs/jecs.luau:2920] (2,201 usec, 2.5%); self: 1,900 usec</details>
+<rect x='66.90424186688125' y='96' width='29.856075410966778' height='15' fill='rgb(206,206,7)' rx='2' ry='2' />
+<text x='69.90424186688125' y='106.5'>wo..</text>
+<rawtext>world_delete</rawtext>
+</g>
+<g>
+<title>cached_query_iter
+C:/Users/Marcus/Documents/packages/jecs/jecs.luau:1667</title>
+<details>Function: cached_query_iter [C:/Users/Marcus/Documents/packages/jecs/jecs.luau:1667] (300 usec, 0.3%); self: 300 usec</details>
+<rect x='111.6815725945511' y='96' width='4.069433268191746' height='15' fill='rgb(217,4,23)' rx='2' ry='2' />
+<text x='114.6815725945511' y='106.5'></text>
+<rawtext>cached_query_iter</rawtext>
+</g>
+<g>
+<title>setup_player
+./benches/ecsgame.luau:20</title>
+<details>Function: setup_player [./benches/ecsgame.luau:20] (100 usec, 0.1%); self: 0 usec</details>
+<rect x='790.4087826186918' y='96' width='1.3564777560639154' height='15' fill='rgb(214,78,39)' rx='2' ry='2' />
+<text x='793.4087826186918' y='106.5'></text>
+<rawtext>setup_player</rawtext>
+</g>
+<g>
+<title>world_entity
+C:/Users/Marcus/Documents/packages/jecs/jecs.luau:2825</title>
+<details>Function: world_entity [C:/Users/Marcus/Documents/packages/jecs/jecs.luau:2825] (400 usec, 0.5%); self: 100 usec</details>
+<rect x='784.9828715944361' y='96' width='5.425911024255662' height='15' fill='rgb(231,182,30)' rx='2' ry='2' />
+<text x='787.9828715944361' y='106.5'></text>
+<rawtext>world_entity</rawtext>
+</g>
+<g>
+<title>setup_goblin
+./benches/ecsgame.luau:42</title>
+<details>Function: setup_goblin [./benches/ecsgame.luau:42] (100 usec, 0.1%); self: 0 usec</details>
+<rect x='791.7652603747557' y='96' width='1.3564777560639154' height='15' fill='rgb(222,70,48)' rx='2' ry='2' />
+<text x='794.7652603747557' y='106.5'></text>
+<rawtext>setup_goblin</rawtext>
+</g>
+<g>
+<title>setup_wood_spikes
+./benches/ecsgame.luau:65</title>
+<details>Function: setup_wood_spikes [./benches/ecsgame.luau:65] (1,200 usec, 1.4%); self: 200 usec</details>
+<rect x='768.7051385216693' y='96' width='16.277733072766985' height='15' fill='rgb(239,186,21)' rx='2' ry='2' />
+<text x='771.7051385216693' y='106.5'></text>
+<rawtext>setup_wood_spikes</rawtext>
+</g>
+<g>
+<title>world_add
+C:/Users/Marcus/Documents/packages/jecs/jecs.luau:2501</title>
+<details>Function: world_add [C:/Users/Marcus/Documents/packages/jecs/jecs.luau:2501] (100 usec, 0.1%); self: 100 usec</details>
+<rect x='801.9931026554776' y='96' width='1.3564777560639154' height='15' fill='rgb(242,210,13)' rx='2' ry='2' />
+<text x='804.9931026554776' y='106.5'></text>
+<rawtext>world_add</rawtext>
+</g>
+<g>
+<title>setup_goblin
+./benches/ecsgame.luau:42</title>
+<details>Function: setup_goblin [./benches/ecsgame.luau:42] (2,563 usec, 2.9%); self: 400 usec</details>
+<rect x='10.0' y='80' width='34.76652488791815' height='15' fill='rgb(222,70,48)' rx='2' ry='2' />
+<text x='13.0' y='90.5'>se..</text>
+<rawtext>setup_goblin</rawtext>
+</g>
+<g>
+<title>world_entity
+C:/Users/Marcus/Documents/packages/jecs/jecs.luau:2825</title>
+<details>Function: world_entity [C:/Users/Marcus/Documents/packages/jecs/jecs.luau:2825] (102 usec, 0.1%); self: 102 usec</details>
+<rect x='64.16415679963214' y='80' width='1.3836073111851936' height='15' fill='rgb(231,182,30)' rx='2' ry='2' />
+<text x='67.16415679963214' y='90.5'></text>
+<rawtext>world_entity</rawtext>
+</g>
+<g>
+<title>setup_player
+./benches/ecsgame.luau:20</title>
+<details>Function: setup_player [./benches/ecsgame.luau:20] (1,430 usec, 1.6%); self: 100 usec</details>
+<rect x='44.76652488791815' y='80' width='19.39763191171399' height='15' fill='rgb(214,78,39)' rx='2' ry='2' />
+<text x='47.76652488791815' y='90.5'></text>
+<rawtext>setup_player</rawtext>
+</g>
+<g>
+<title>archetype_delete
+C:/Users/Marcus/Documents/packages/jecs/jecs.luau:1095</title>
+<details>Function: archetype_delete [C:/Users/Marcus/Documents/packages/jecs/jecs.luau:1095] (301 usec, 0.3%); self: 301 usec</details>
+<rect x='66.90424186688125' y='80' width='4.082998045752386' height='15' fill='rgb(253,214,43)' rx='2' ry='2' />
+<text x='69.90424186688125' y='90.5'></text>
+<rawtext>archetype_delete</rawtext>
+</g>
+<g>
+<title>ecs_bulk_insert
+C:/Users/Marcus/Documents/packages/jecs/jecs.luau:2080</title>
+<details>Function: ecs_bulk_insert [C:/Users/Marcus/Documents/packages/jecs/jecs.luau:2080] (100 usec, 0.1%); self: 100 usec</details>
+<rect x='790.4087826186918' y='80' width='1.3564777560639154' height='15' fill='rgb(235,105,37)' rx='2' ry='2' />
+<text x='793.4087826186918' y='90.5'></text>
+<rawtext>ecs_bulk_insert</rawtext>
+</g>
+<g>
+<title>entity_index_new_id
+C:/Users/Marcus/Documents/packages/jecs/jecs.luau:2254</title>
+<details>Function: entity_index_new_id [C:/Users/Marcus/Documents/packages/jecs/jecs.luau:2254] (300 usec, 0.3%); self: 100 usec</details>
+<rect x='784.9828715944361' y='80' width='4.069433268191746' height='15' fill='rgb(217,39,3)' rx='2' ry='2' />
+<text x='787.9828715944361' y='90.5'></text>
+<rawtext>entity_index_new_id</rawtext>
+</g>
+<g>
+<title>ecs_bulk_insert
+C:/Users/Marcus/Documents/packages/jecs/jecs.luau:2080</title>
+<details>Function: ecs_bulk_insert [C:/Users/Marcus/Documents/packages/jecs/jecs.luau:2080] (100 usec, 0.1%); self: 100 usec</details>
+<rect x='791.7652603747557' y='80' width='1.3564777560639154' height='15' fill='rgb(235,105,37)' rx='2' ry='2' />
+<text x='794.7652603747557' y='90.5'></text>
+<rawtext>ecs_bulk_insert</rawtext>
+</g>
+<g>
+<title>ecs_bulk_insert
+C:/Users/Marcus/Documents/packages/jecs/jecs.luau:2080</title>
+<details>Function: ecs_bulk_insert [C:/Users/Marcus/Documents/packages/jecs/jecs.luau:2080] (1,000 usec, 1.1%); self: 900 usec</details>
+<rect x='768.7051385216693' y='80' width='13.564777560639154' height='15' fill='rgb(235,105,37)' rx='2' ry='2' />
+<text x='771.7051385216693' y='90.5'></text>
+<rawtext>ecs_bulk_insert</rawtext>
+</g>
+<g>
+<title>ecs_bulk_insert
+C:/Users/Marcus/Documents/packages/jecs/jecs.luau:2080</title>
+<details>Function: ecs_bulk_insert [C:/Users/Marcus/Documents/packages/jecs/jecs.luau:2080] (2,063 usec, 2.4%); self: 2,063 usec</details>
+<rect x='10.0' y='64' width='27.984136107598577' height='15' fill='rgb(235,105,37)' rx='2' ry='2' />
+<text x='13.0' y='74.5'>e..</text>
+<rawtext>ecs_bulk_insert</rawtext>
+</g>
+<g>
+<title>GC</title>
+<details>Function: GC [GC:0] (100 usec, 0.1%); self: 100 usec</details>
+<rect x='37.98413610759857' y='64' width='1.3564777560639154' height='15' fill='rgb(226,66,24)' rx='2' ry='2' />
+<text x='40.98413610759857' y='74.5'></text>
+<rawtext>GC</rawtext>
+</g>
+<g>
+<title>ecs_bulk_insert
+C:/Users/Marcus/Documents/packages/jecs/jecs.luau:2080</title>
+<details>Function: ecs_bulk_insert [C:/Users/Marcus/Documents/packages/jecs/jecs.luau:2080] (1,230 usec, 1.4%); self: 1,130 usec</details>
+<rect x='44.76652488791815' y='64' width='16.68467639958616' height='15' fill='rgb(235,105,37)' rx='2' ry='2' />
+<text x='47.76652488791815' y='74.5'></text>
+<rawtext>ecs_bulk_insert</rawtext>
+</g>
+<g>
+<title>GC</title>
+<details>Function: GC [GC:0] (100 usec, 0.1%); self: 100 usec</details>
+<rect x='61.45120128750431' y='64' width='1.3564777560639154' height='15' fill='rgb(226,66,24)' rx='2' ry='2' />
+<text x='64.45120128750432' y='74.5'></text>
+<rawtext>GC</rawtext>
+</g>
+<g>
+<title>GC</title>
+<details>Function: GC [GC:0] (200 usec, 0.2%); self: 200 usec</details>
+<rect x='784.9828715944361' y='64' width='2.712955512127831' height='15' fill='rgb(226,66,24)' rx='2' ry='2' />
+<text x='787.9828715944361' y='74.5'></text>
+<rawtext>GC</rawtext>
+</g>
+<g>
+<title>concat</title>
+<details>Function: concat [[C]:0] (100 usec, 0.1%); self: 0 usec</details>
+<rect x='768.7051385216693' y='64' width='1.3564777560639154' height='15' fill='rgb(205,188,26)' rx='2' ry='2' />
+<text x='771.7051385216693' y='74.5'></text>
+<rawtext>concat</rawtext>
+</g>
+<g>
+<title>concat</title>
+<details>Function: concat [[C]:0] (100 usec, 0.1%); self: 0 usec</details>
+<rect x='44.76652488791815' y='48' width='1.3564777560639154' height='15' fill='rgb(205,188,26)' rx='2' ry='2' />
+<text x='47.76652488791815' y='58.5'></text>
+<rawtext>concat</rawtext>
+</g>
+<g>
+<title>GC</title>
+<details>Function: GC [GC:0] (100 usec, 0.1%); self: 100 usec</details>
+<rect x='768.7051385216693' y='48' width='1.3564777560639154' height='15' fill='rgb(226,66,24)' rx='2' ry='2' />
+<text x='771.7051385216693' y='58.5'></text>
+<rawtext>GC</rawtext>
+</g>
+<g>
+<title>GC</title>
+<details>Function: GC [GC:0] (100 usec, 0.1%); self: 100 usec</details>
+<rect x='44.76652488791815' y='32' width='1.3564777560639154' height='15' fill='rgb(226,66,24)' rx='2' ry='2' />
+<text x='47.76652488791815' y='42.5'></text>
+<rawtext>GC</rawtext>
+</g>
+</g>
+</svg>
+
diff --git a/perf2.svg b/perf2.svg
new file mode 100755
index 0000000..ab81724
--- /dev/null
+++ b/perf2.svg
@@ -0,0 +1,430 @@
+<?xml version="1.0" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<svg version="1.1" width="1200" height="144" onload="init(evt)" viewBox="0 0 1200 144" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<!-- Flame graph stack visualization. See https://github.com/brendangregg/FlameGraph for latest version, and http://www.brendangregg.com/flamegraphs.html for examples. -->
+<defs>
+    <linearGradient id="background" y1="0" y2="1" x1="0" x2="0" >
+        <stop stop-color="#eeeeee" offset="5%" />
+        <stop stop-color="#eeeeb0" offset="95%" />
+    </linearGradient>
+</defs>
+<style type="text/css">
+    text { font-family:Verdana; font-size:12px; fill:rgb(0,0,0); }
+    #search, #ignorecase { opacity:0.1; cursor:pointer; }
+    #search:hover, #search.show, #ignorecase:hover, #ignorecase.show { opacity:1; }
+    #subtitle { text-anchor:middle; font-color:rgb(160,160,160); }
+    #title { text-anchor:middle; font-size:17px}
+    #unzoom { cursor:pointer; }
+    #frames > *:hover { stroke:black; stroke-width:0.5; cursor:pointer; }
+    .hide { display:none; }
+    .parent { opacity:0.5; }
+</style>
+<script type="text/ecmascript">
+<![CDATA[
+    "use strict";
+    var details, searchbtn, unzoombtn, matchedtxt, svg, searching, currentSearchTerm, ignorecase, ignorecaseBtn;
+    function init(evt) {
+        details = document.getElementById("details").firstChild;
+        searchbtn = document.getElementById("search");
+        ignorecaseBtn = document.getElementById("ignorecase");
+        unzoombtn = document.getElementById("unzoom");
+        matchedtxt = document.getElementById("matched");
+        svg = document.getElementsByTagName("svg")[0];
+        searching = 0;
+        currentSearchTerm = null;
+    }
+
+    window.addEventListener("click", function(e) {
+        var target = find_group(e.target);
+        if (target) {
+            if (target.nodeName == "a") {
+                if (e.ctrlKey === false) return;
+                e.preventDefault();
+            }
+            if (target.classList.contains("parent")) unzoom();
+            zoom(target);
+        }
+        else if (e.target.id == "unzoom") unzoom();
+        else if (e.target.id == "search") search_prompt();
+        else if (e.target.id == "ignorecase") toggle_ignorecase();
+    }, false)
+
+    // mouse-over for info
+    // show
+    window.addEventListener("mouseover", function(e) {
+        var target = find_group(e.target);
+        if (target) details.nodeValue = g_to_text(target);
+    }, false)
+
+    // clear
+    window.addEventListener("mouseout", function(e) {
+        var target = find_group(e.target);
+        if (target) details.nodeValue = ' ';
+    }, false)
+
+    // ctrl-F for search
+    window.addEventListener("keydown",function (e) {
+        if (e.keyCode === 114 || (e.ctrlKey && e.keyCode === 70)) {
+            e.preventDefault();
+            search_prompt();
+        }
+    }, false)
+
+    // ctrl-I to toggle case-sensitive search
+    window.addEventListener("keydown",function (e) {
+        if (e.ctrlKey && e.keyCode === 73) {
+            e.preventDefault();
+            toggle_ignorecase();
+        }
+    }, false)
+
+    // functions
+    function find_child(node, selector) {
+        var children = node.querySelectorAll(selector);
+        if (children.length) return children[0];
+        return;
+    }
+    function find_group(node) {
+        var parent = node.parentElement;
+        if (!parent) return;
+        if (parent.id == "frames") return node;
+        return find_group(parent);
+    }
+    function orig_save(e, attr, val) {
+        if (e.attributes["_orig_" + attr] != undefined) return;
+        if (e.attributes[attr] == undefined) return;
+        if (val == undefined) val = e.attributes[attr].value;
+        e.setAttribute("_orig_" + attr, val);
+    }
+    function orig_load(e, attr) {
+        if (e.attributes["_orig_"+attr] == undefined) return;
+        e.attributes[attr].value = e.attributes["_orig_" + attr].value;
+        e.removeAttribute("_orig_"+attr);
+    }
+    function g_to_text(e) {
+        var text = find_child(e, "details").firstChild.nodeValue;
+        return (text)
+    }
+    function g_to_func(e) {
+        var child = find_child(e, "rawtext");
+        return child ? child.textContent : null;
+    }
+    function update_text(e) {
+        var r = find_child(e, "rect");
+        var t = find_child(e, "text");
+        var w = parseFloat(r.attributes.width.value) -3;
+        var txt = find_child(e, "rawtext").textContent.replace(/\([^(]*\)$/,"");
+        t.attributes.x.value = parseFloat(r.attributes.x.value) + 3;
+
+        // Smaller than this size won't fit anything
+        if (w < 2 * 12 * 0.59) {
+            t.textContent = "";
+            return;
+        }
+
+        t.textContent = txt;
+        // Fit in full text width
+        if (/^ *$/.test(txt) || t.getSubStringLength(0, txt.length) < w)
+            return;
+
+        for (var x = txt.length - 2; x > 0; x--) {
+            if (t.getSubStringLength(0, x + 2) <= w) {
+                t.textContent = txt.substring(0, x) + "..";
+                return;
+            }
+        }
+        t.textContent = "";
+    }
+
+    // zoom
+    function zoom_reset(e) {
+        if (e.attributes != undefined) {
+            orig_load(e, "x");
+            orig_load(e, "width");
+        }
+        if (e.childNodes == undefined) return;
+        for (var i = 0, c = e.childNodes; i < c.length; i++) {
+            zoom_reset(c[i]);
+        }
+    }
+    function zoom_child(e, x, ratio) {
+        if (e.attributes != undefined) {
+            if (e.attributes.x != undefined) {
+                orig_save(e, "x");
+                e.attributes.x.value = (parseFloat(e.attributes.x.value) - x - 10) * ratio + 10;
+                if (e.tagName == "text")
+                    e.attributes.x.value = find_child(e.parentNode, "rect[x]").attributes.x.value + 3;
+            }
+            if (e.attributes.width != undefined) {
+                orig_save(e, "width");
+                e.attributes.width.value = parseFloat(e.attributes.width.value) * ratio;
+            }
+        }
+
+        if (e.childNodes == undefined) return;
+        for (var i = 0, c = e.childNodes; i < c.length; i++) {
+            zoom_child(c[i], x - 10, ratio);
+        }
+    }
+    function zoom_parent(e) {
+        if (e.attributes) {
+            if (e.attributes.x != undefined) {
+                orig_save(e, "x");
+                e.attributes.x.value = 10;
+            }
+            if (e.attributes.width != undefined) {
+                orig_save(e, "width");
+                e.attributes.width.value = parseInt(svg.width.baseVal.value) - (10 * 2);
+            }
+        }
+        if (e.childNodes == undefined) return;
+        for (var i = 0, c = e.childNodes; i < c.length; i++) {
+            zoom_parent(c[i]);
+        }
+    }
+    function zoom(node) {
+        var attr = find_child(node, "rect").attributes;
+        var width = parseFloat(attr.width.value);
+        var xmin = parseFloat(attr.x.value);
+        var xmax = parseFloat(xmin + width);
+        var ymin = parseFloat(attr.y.value);
+        var ratio = (svg.width.baseVal.value - 2 * 10) / width;
+
+        // XXX: Workaround for JavaScript float issues (fix me)
+        var fudge = 0.0001;
+
+        unzoombtn.classList.remove("hide");
+
+        var el = document.getElementById("frames").children;
+        for (var i = 0; i < el.length; i++) {
+            var e = el[i];
+            var a = find_child(e, "rect").attributes;
+            var ex = parseFloat(a.x.value);
+            var ew = parseFloat(a.width.value);
+            var upstack;
+            // Is it an ancestor
+            if (1 == 1) {
+                upstack = parseFloat(a.y.value) > ymin;
+            } else {
+                upstack = parseFloat(a.y.value) < ymin;
+            }
+            if (upstack) {
+                // Direct ancestor
+                if (ex <= xmin && (ex+ew+fudge) >= xmax) {
+                    e.classList.add("parent");
+                    zoom_parent(e);
+                    update_text(e);
+                }
+                // not in current path
+                else
+                    e.classList.add("hide");
+            }
+            // Children maybe
+            else {
+                // no common path
+                if (ex < xmin || ex + fudge >= xmax) {
+                    e.classList.add("hide");
+                }
+                else {
+                    zoom_child(e, xmin, ratio);
+                    update_text(e);
+                }
+            }
+        }
+        search();
+    }
+    function unzoom() {
+        unzoombtn.classList.add("hide");
+        var el = document.getElementById("frames").children;
+        for(var i = 0; i < el.length; i++) {
+            el[i].classList.remove("parent");
+            el[i].classList.remove("hide");
+            zoom_reset(el[i]);
+            update_text(el[i]);
+        }
+        search();
+    }
+
+    // search
+    function toggle_ignorecase() {
+        ignorecase = !ignorecase;
+        if (ignorecase) {
+            ignorecaseBtn.classList.add("show");
+        } else {
+            ignorecaseBtn.classList.remove("show");
+        }
+        reset_search();
+        search();
+    }
+    function reset_search() {
+        var el = document.querySelectorAll("#frames rect");
+        for (var i = 0; i < el.length; i++) {
+            orig_load(el[i], "fill")
+        }
+    }
+    function search_prompt() {
+        if (!searching) {
+            var term = prompt("Enter a search term (regexp " +
+                "allowed, eg: ^ext4_)"
+                + (ignorecase ? ", ignoring case" : "")
+                + "\nPress Ctrl-i to toggle case sensitivity", "");
+            if (term != null) {
+                currentSearchTerm = term;
+                search();
+            }
+        } else {
+            reset_search();
+            searching = 0;
+            currentSearchTerm = null;
+            searchbtn.classList.remove("show");
+            searchbtn.firstChild.nodeValue = "Search"
+            matchedtxt.classList.add("hide");
+            matchedtxt.firstChild.nodeValue = ""
+        }
+    }
+    function search(term) {
+        if (currentSearchTerm === null) return;
+        var term = currentSearchTerm;
+
+        var re = new RegExp(term, ignorecase ? 'i' : '');
+        var el = document.getElementById("frames").children;
+        var matches = new Object();
+        var maxwidth = 0;
+        for (var i = 0; i < el.length; i++) {
+            var e = el[i];
+            var func = g_to_func(e);
+            var rect = find_child(e, "rect");
+            if (func == null || rect == null)
+                continue;
+
+            // Save max width. Only works as we have a root frame
+            var w = parseFloat(rect.attributes.width.value);
+            if (w > maxwidth)
+                maxwidth = w;
+
+            if (func.match(re)) {
+                // highlight
+                var x = parseFloat(rect.attributes.x.value);
+                orig_save(rect, "fill");
+                rect.attributes.fill.value = "rgb(230,0,230)";
+
+                // remember matches
+                if (matches[x] == undefined) {
+                    matches[x] = w;
+                } else {
+                    if (w > matches[x]) {
+                        // overwrite with parent
+                        matches[x] = w;
+                    }
+                }
+                searching = 1;
+            }
+        }
+        if (!searching)
+            return;
+
+        searchbtn.classList.add("show");
+        searchbtn.firstChild.nodeValue = "Reset Search";
+
+        // calculate percent matched, excluding vertical overlap
+        var count = 0;
+        var lastx = -1;
+        var lastw = 0;
+        var keys = Array();
+        for (k in matches) {
+            if (matches.hasOwnProperty(k))
+                keys.push(k);
+        }
+        // sort the matched frames by their x location
+        // ascending, then width descending
+        keys.sort(function(a, b){
+            return a - b;
+        });
+        // Step through frames saving only the biggest bottom-up frames
+        // thanks to the sort order. This relies on the tree property
+        // where children are always smaller than their parents.
+        var fudge = 0.0001; // JavaScript floating point
+        for (var k in keys) {
+            var x = parseFloat(keys[k]);
+            var w = matches[keys[k]];
+            if (x >= lastx + lastw - fudge) {
+                count += w;
+                lastx = x;
+                lastw = w;
+            }
+        }
+        // display matched percent
+        matchedtxt.classList.remove("hide");
+        var pct = 100 * count / maxwidth;
+        if (pct != 100) pct = pct.toFixed(1)
+        matchedtxt.firstChild.nodeValue = "Matched: " + pct + "%";
+    }
+]]>
+</script>
+<rect x="0.0" y="0" width="1200.0" height="144.0" fill="url(#background)"  />
+<text id="title" x="600.00" y="24" >Flame Graph</text>
+<text id="unzoom" x="10.00" y="24" class="hide">Reset Zoom</text>
+<text id="search" x="1090.00" y="24" >Search</text>
+<text id="ignorecase" x="1174.00" y="24" >ic</text>
+<text id="matched" x="1090.00" y="131" > </text>
+<text id="details" x="10.00" y="131" > </text>
+<g id="frames">
+
+<g>
+<title></title>
+<details>Function:  [:0] (33,030,510 usec, 100.0%); self: 0 usec</details>
+<rect x='10.0' y='96' width='1180.0' height='15' fill='rgb(250,211,50)' rx='2' ry='2' />
+<text x='13.0' y='106.5'></text>
+<rawtext></rawtext>
+</g>
+<g>
+<title>
+./benches/smallgame.luau:1</title>
+<details>Function:  [./benches/smallgame.luau:1] (33,030,510 usec, 100.0%); self: 2,214 usec</details>
+<rect x='10.0' y='80' width='1180.0' height='15' fill='rgb(228,125,3)' rx='2' ry='2' />
+<text x='13.0' y='90.5'></text>
+<rawtext></rawtext>
+</g>
+<g>
+<title>entity_create
+./benches/smallgame.luau:120</title>
+<details>Function: entity_create [./benches/smallgame.luau:120] (2,900 usec, 0.0%); self: 2,400 usec</details>
+<rect x='1189.8137322130358' y='64' width='0.10360118569165297' height='15' fill='rgb(237,134,10)' rx='2' ry='2' />
+<text x='1192.8137322130358' y='74.5'></text>
+<rawtext>entity_create</rawtext>
+</g>
+<g>
+<title>update
+./benches/smallgame.luau:176</title>
+<details>Function: update [./benches/smallgame.luau:176] (33,025,296 usec, 100.0%); self: 134,690 usec</details>
+<rect x='10.0' y='64' width='1179.8137322130358' height='15' fill='rgb(244,133,1)' rx='2' ry='2' />
+<text x='13.0' y='74.5'>update</text>
+<rawtext>update</rawtext>
+</g>
+<g>
+<title>
+./benches/smallgame.luau:104</title>
+<details>Function:  [./benches/smallgame.luau:104] (23,826,193 usec, 72.1%); self: 23,826,193 usec</details>
+<rect x='10.0' y='48' width='851.1799466614351' height='15' fill='rgb(249,157,38)' rx='2' ry='2' />
+<text x='13.0' y='58.5'></text>
+<rawtext></rawtext>
+</g>
+<g>
+<title>entity_create
+./benches/smallgame.luau:120</title>
+<details>Function: entity_create [./benches/smallgame.luau:120] (16,987 usec, 0.1%); self: 15,984 usec</details>
+<rect x='1184.3629880374235' y='48' width='0.6068528763255547' height='15' fill='rgb(237,134,10)' rx='2' ry='2' />
+<text x='1187.3629880374235' y='58.5'></text>
+<rawtext>entity_create</rawtext>
+</g>
+<g>
+<title>
+./benches/smallgame.luau:60</title>
+<details>Function:  [./benches/smallgame.luau:60] (9,046,526 usec, 27.4%); self: 9,046,526 usec</details>
+<rect x='861.1799466614351' y='48' width='323.18304137598847' height='15' fill='rgb(239,125,8)' rx='2' ry='2' />
+<text x='864.1799466614351' y='58.5'></text>
+<rawtext></rawtext>
+</g>
+</g>
+</svg>
+
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