diff --git a/bench/assets/count_to_one_billion.js b/bench/assets/count_to_one_billion.js
deleted file mode 100644
index 998aedd..0000000
--- a/bench/assets/count_to_one_billion.js
+++ /dev/null
@@ -1,5 +0,0 @@
-var i = 0;
-
-while (i < 1_000_000_000) {
-  i++;
-}
diff --git a/bench/assets/count_to_one_billion.ds b/bench/assets/count_to_one_million.ds
similarity index 53%
rename from bench/assets/count_to_one_billion.ds
rename to bench/assets/count_to_one_million.ds
index 8e4c8a5..2344efb 100644
--- a/bench/assets/count_to_one_billion.ds
+++ b/bench/assets/count_to_one_million.ds
@@ -1,5 +1,5 @@
 let mut i = 0
 
-while i < 100_000_000 {
+while i < 1_000_000 {
     i += 1
 }
diff --git a/bench/assets/count_to_one_million.js b/bench/assets/count_to_one_million.js
new file mode 100644
index 0000000..f9899c0
--- /dev/null
+++ b/bench/assets/count_to_one_million.js
@@ -0,0 +1,5 @@
+var i = 0;
+
+while (i < 1_000_000) {
+  i++;
+}
diff --git a/bench/assets/count_to_one_million.py b/bench/assets/count_to_one_million.py
new file mode 100644
index 0000000..b9f34a3
--- /dev/null
+++ b/bench/assets/count_to_one_million.py
@@ -0,0 +1,4 @@
+i = 1
+
+while i < 1_000_000:
+    i += 1
diff --git a/bench/count_one_one_million.sh b/bench/count_one_one_million.sh
new file mode 100644
index 0000000..020075a
--- /dev/null
+++ b/bench/count_one_one_million.sh
@@ -0,0 +1,7 @@
+hyperfine \
+    --shell none \
+    --warmup 5 \
+    '../target/release/dust assets/count_to_one_million.ds' \
+    'node assets/count_to_one_million.js' \
+    'deno assets/count_to_one_million.js' \
+    'python assets/count_to_one_million.py'
diff --git a/dust-lang/src/chunk.rs b/dust-lang/src/chunk.rs
index a603a2e..add03c5 100644
--- a/dust-lang/src/chunk.rs
+++ b/dust-lang/src/chunk.rs
@@ -89,7 +89,7 @@ impl Chunk {
             .rev()
             .find_map(|(instruction, _)| {
                 if instruction.yields_value() {
-                    Some(instruction.a() as usize)
+                    Some(instruction.a() as usize + 1)
                 } else {
                     None
                 }
diff --git a/flamegraph.svg b/flamegraph.svg
deleted file mode 100644
index 3813bf2..0000000
--- a/flamegraph.svg
+++ /dev/null
@@ -1,491 +0,0 @@
-<?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="230" onload="init(evt)" viewBox="0 0 1200 230" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:fg="http://github.com/jonhoo/inferno"><!--Flame graph stack visualization. See https://github.com/brendangregg/FlameGraph for latest version, and http://www.brendangregg.com/flamegraphs.html for examples.--><!--NOTES: --><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:monospace; font-size:12px }
-#title { text-anchor:middle; font-size:17px; }
-#matched { text-anchor:end; }
-#search { text-anchor:end; opacity:0.1; cursor:pointer; }
-#search:hover, #search.show { opacity:1; }
-#subtitle { text-anchor:middle; font-color:rgb(160,160,160); }
-#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[
-        var nametype = 'Function:';
-        var fontsize = 12;
-        var fontwidth = 0.59;
-        var xpad = 10;
-        var inverted = false;
-        var searchcolor = 'rgb(230,0,230)';
-        var fluiddrawing = true;
-        var truncate_text_right = false;
-    ]]><![CDATA["use strict";
-var details, searchbtn, unzoombtn, matchedtxt, svg, searching, frames, known_font_width;
-function init(evt) {
-    details = document.getElementById("details").firstChild;
-    searchbtn = document.getElementById("search");
-    unzoombtn = document.getElementById("unzoom");
-    matchedtxt = document.getElementById("matched");
-    svg = document.getElementsByTagName("svg")[0];
-    frames = document.getElementById("frames");
-    known_font_width = get_monospace_width(frames);
-    total_samples = parseInt(frames.attributes.total_samples.value);
-    searching = 0;
-
-    // Use GET parameters to restore a flamegraph's state.
-    var restore_state = function() {
-        var params = get_params();
-        if (params.x && params.y)
-            zoom(find_group(document.querySelector('[*|x="' + params.x + '"][y="' + params.y + '"]')));
-        if (params.s)
-            search(params.s);
-    };
-
-    if (fluiddrawing) {
-        // Make width dynamic so the SVG fits its parent's width.
-        svg.removeAttribute("width");
-        // Edge requires us to have a viewBox that gets updated with size changes.
-        var isEdge = /Edge\/\d./i.test(navigator.userAgent);
-        if (!isEdge) {
-            svg.removeAttribute("viewBox");
-        }
-        var update_for_width_change = function() {
-            if (isEdge) {
-                svg.attributes.viewBox.value = "0 0 " + svg.width.baseVal.value + " " + svg.height.baseVal.value;
-            }
-
-            // Keep consistent padding on left and right of frames container.
-            frames.attributes.width.value = svg.width.baseVal.value - xpad * 2;
-
-            // Text truncation needs to be adjusted for the current width.
-            update_text_for_elements(frames.children);
-
-            // Keep search elements at a fixed distance from right edge.
-            var svgWidth = svg.width.baseVal.value;
-            searchbtn.attributes.x.value = svgWidth - xpad;
-            matchedtxt.attributes.x.value = svgWidth - xpad;
-        };
-        window.addEventListener('resize', function() {
-            update_for_width_change();
-        });
-        // This needs to be done asynchronously for Safari to work.
-        setTimeout(function() {
-            unzoom();
-            update_for_width_change();
-            restore_state();
-        }, 0);
-    } else {
-        restore_state();
-    }
-}
-// event listeners
-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);
-
-        // set parameters for zoom state
-        var el = target.querySelector("rect");
-        if (el && el.attributes && el.attributes.y && el.attributes["fg:x"]) {
-            var params = get_params()
-            params.x = el.attributes["fg:x"].value;
-            params.y = el.attributes.y.value;
-            history.replaceState(null, null, parse_params(params));
-        }
-    }
-    else if (e.target.id == "unzoom") {
-        unzoom();
-
-        // remove zoom state
-        var params = get_params();
-        if (params.x) delete params.x;
-        if (params.y) delete params.y;
-        history.replaceState(null, null, parse_params(params));
-    }
-    else if (e.target.id == "search") search_prompt();
-}, false)
-// mouse-over for info
-// show
-window.addEventListener("mouseover", function(e) {
-    var target = find_group(e.target);
-    if (target) details.nodeValue = nametype + " " + 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)
-// functions
-function get_params() {
-    var params = {};
-    var paramsarr = window.location.search.substr(1).split('&');
-    for (var i = 0; i < paramsarr.length; ++i) {
-        var tmp = paramsarr[i].split("=");
-        if (!tmp[0] || !tmp[1]) continue;
-        params[tmp[0]]  = decodeURIComponent(tmp[1]);
-    }
-    return params;
-}
-function parse_params(params) {
-    var uri = "?";
-    for (var key in params) {
-        uri += key + '=' + encodeURIComponent(params[key]) + '&';
-    }
-    if (uri.slice(-1) == "&")
-        uri = uri.substring(0, uri.length - 1);
-    if (uri == '?')
-        uri = window.location.href.split('?')[0];
-    return uri;
-}
-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["fg:orig_" + attr] != undefined) return;
-    if (e.attributes[attr] == undefined) return;
-    if (val == undefined) val = e.attributes[attr].value;
-    e.setAttribute("fg:orig_" + attr, val);
-}
-function orig_load(e, attr) {
-    if (e.attributes["fg:orig_"+attr] == undefined) return;
-    e.attributes[attr].value = e.attributes["fg:orig_" + attr].value;
-    e.removeAttribute("fg:orig_" + attr);
-}
-function g_to_text(e) {
-    var text = find_child(e, "title").firstChild.nodeValue;
-    return (text)
-}
-function g_to_func(e) {
-    var func = g_to_text(e);
-    // if there's any manipulation we want to do to the function
-    // name before it's searched, do it here before returning.
-    return (func);
-}
-function get_monospace_width(frames) {
-    // Given the id="frames" element, return the width of text characters if
-    // this is a monospace font, otherwise return 0.
-    text = find_child(frames.children[0], "text");
-    originalContent = text.textContent;
-    text.textContent = "!";
-    bangWidth = text.getComputedTextLength();
-    text.textContent = "W";
-    wWidth = text.getComputedTextLength();
-    text.textContent = originalContent;
-    if (bangWidth === wWidth) {
-        return bangWidth;
-    } else {
-        return 0;
-    }
-}
-function update_text_for_elements(elements) {
-    // In order to render quickly in the browser, you want to do one pass of
-    // reading attributes, and one pass of mutating attributes. See
-    // https://web.dev/avoid-large-complex-layouts-and-layout-thrashing/ for details.
-
-    // Fall back to inefficient calculation, if we're variable-width font.
-    // TODO This should be optimized somehow too.
-    if (known_font_width === 0) {
-        for (var i = 0; i < elements.length; i++) {
-            update_text(elements[i]);
-        }
-        return;
-    }
-
-    var textElemNewAttributes = [];
-    for (var i = 0; i < elements.length; i++) {
-        var e = elements[i];
-        var r = find_child(e, "rect");
-        var t = find_child(e, "text");
-        var w = parseFloat(r.attributes.width.value) * frames.attributes.width.value / 100 - 3;
-        var txt = find_child(e, "title").textContent.replace(/\([^(]*\)$/,"");
-        var newX = format_percent((parseFloat(r.attributes.x.value) + (100 * 3 / frames.attributes.width.value)));
-
-        // Smaller than this size won't fit anything
-        if (w < 2 * known_font_width) {
-            textElemNewAttributes.push([newX, ""]);
-            continue;
-        }
-
-        // Fit in full text width
-        if (txt.length * known_font_width < w) {
-            textElemNewAttributes.push([newX, txt]);
-            continue;
-        }
-
-        var substringLength = Math.floor(w / known_font_width) - 2;
-        if (truncate_text_right) {
-            // Truncate the right side of the text.
-            textElemNewAttributes.push([newX, txt.substring(0, substringLength) + ".."]);
-            continue;
-        } else {
-            // Truncate the left side of the text.
-            textElemNewAttributes.push([newX, ".." + txt.substring(txt.length - substringLength, txt.length)]);
-            continue;
-        }
-    }
-
-    console.assert(textElemNewAttributes.length === elements.length, "Resize failed, please file a bug at https://github.com/jonhoo/inferno/");
-
-    // Now that we know new textContent, set it all in one go so we don't refresh a bazillion times.
-    for (var i = 0; i < elements.length; i++) {
-        var e = elements[i];
-        var values = textElemNewAttributes[i];
-        var t = find_child(e, "text");
-        t.attributes.x.value = values[0];
-        t.textContent = values[1];
-    }
-}
-
-function update_text(e) {
-    var r = find_child(e, "rect");
-    var t = find_child(e, "text");
-    var w = parseFloat(r.attributes.width.value) * frames.attributes.width.value / 100 - 3;
-    var txt = find_child(e, "title").textContent.replace(/\([^(]*\)$/,"");
-    t.attributes.x.value = format_percent((parseFloat(r.attributes.x.value) + (100 * 3 / frames.attributes.width.value)));
-
-    // Smaller than this size won't fit anything
-    if (w < 2 * fontsize * fontwidth) {
-        t.textContent = "";
-        return;
-    }
-    t.textContent = txt;
-    // Fit in full text width
-    if (t.getComputedTextLength() < w)
-        return;
-    if (truncate_text_right) {
-        // Truncate the right side of the text.
-        for (var x = txt.length - 2; x > 0; x--) {
-            if (t.getSubStringLength(0, x + 2) <= w) {
-                t.textContent = txt.substring(0, x) + "..";
-                return;
-            }
-        }
-    } else {
-        // Truncate the left side of the text.
-        for (var x = 2; x < txt.length; x++) {
-            if (t.getSubStringLength(x - 2, txt.length) <= w) {
-                t.textContent = ".." + txt.substring(x, txt.length);
-                return;
-            }
-        }
-    }
-    t.textContent = "";
-}
-// zoom
-function zoom_reset(e) {
-    if (e.tagName == "rect") {
-        e.attributes.x.value = format_percent(100 * parseInt(e.attributes["fg:x"].value) / total_samples);
-        e.attributes.width.value = format_percent(100 * parseInt(e.attributes["fg:w"].value) / total_samples);
-    }
-    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, zoomed_width_samples) {
-    if (e.tagName == "text") {
-        var parent_x = parseFloat(find_child(e.parentNode, "rect[x]").attributes.x.value);
-        e.attributes.x.value = format_percent(parent_x + (100 * 3 / frames.attributes.width.value));
-    } else if (e.tagName == "rect") {
-        e.attributes.x.value = format_percent(100 * (parseInt(e.attributes["fg:x"].value) - x) / zoomed_width_samples);
-        e.attributes.width.value = format_percent(100 * parseInt(e.attributes["fg:w"].value) / zoomed_width_samples);
-    }
-    if (e.childNodes == undefined) return;
-    for(var i = 0, c = e.childNodes; i < c.length; i++) {
-        zoom_child(c[i], x, zoomed_width_samples);
-    }
-}
-function zoom_parent(e) {
-    if (e.attributes) {
-        if (e.attributes.x != undefined) {
-            e.attributes.x.value = "0.0%";
-        }
-        if (e.attributes.width != undefined) {
-            e.attributes.width.value = "100.0%";
-        }
-    }
-    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 = parseInt(attr["fg:w"].value);
-    var xmin = parseInt(attr["fg:x"].value);
-    var xmax = xmin + width;
-    var ymin = parseFloat(attr.y.value);
-    unzoombtn.classList.remove("hide");
-    var el = frames.children;
-    var to_update_text = [];
-    for (var i = 0; i < el.length; i++) {
-        var e = el[i];
-        var a = find_child(e, "rect").attributes;
-        var ex = parseInt(a["fg:x"].value);
-        var ew = parseInt(a["fg:w"].value);
-        // Is it an ancestor
-        if (!inverted) {
-            var upstack = parseFloat(a.y.value) > ymin;
-        } else {
-            var upstack = parseFloat(a.y.value) < ymin;
-        }
-        if (upstack) {
-            // Direct ancestor
-            if (ex <= xmin && (ex+ew) >= xmax) {
-                e.classList.add("parent");
-                zoom_parent(e);
-                to_update_text.push(e);
-            }
-            // not in current path
-            else
-                e.classList.add("hide");
-        }
-        // Children maybe
-        else {
-            // no common path
-            if (ex < xmin || ex >= xmax) {
-                e.classList.add("hide");
-            }
-            else {
-                zoom_child(e, xmin, width);
-                to_update_text.push(e);
-            }
-        }
-    }
-    update_text_for_elements(to_update_text);
-}
-function unzoom() {
-    unzoombtn.classList.add("hide");
-    var el = 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_for_elements(el);
-}
-// search
-function reset_search() {
-    var el = document.querySelectorAll("#frames rect");
-    for (var i = 0; i < el.length; i++) {
-        orig_load(el[i], "fill")
-    }
-    var params = get_params();
-    delete params.s;
-    history.replaceState(null, null, parse_params(params));
-}
-function search_prompt() {
-    if (!searching) {
-        var term = prompt("Enter a search term (regexp " +
-            "allowed, eg: ^ext4_)", "");
-        if (term != null) {
-            search(term)
-        }
-    } else {
-        reset_search();
-        searching = 0;
-        searchbtn.classList.remove("show");
-        searchbtn.firstChild.nodeValue = "Search"
-        matchedtxt.classList.add("hide");
-        matchedtxt.firstChild.nodeValue = ""
-    }
-}
-function search(term) {
-    var re = new RegExp(term);
-    var el = frames.children;
-    var matches = new Object();
-    var maxwidth = 0;
-    for (var i = 0; i < el.length; i++) {
-        var e = el[i];
-        // Skip over frames which are either not visible, or below the zoomed-to frame
-        if (e.classList.contains("hide") || e.classList.contains("parent")) {
-            continue;
-        }
-        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 = parseInt(rect.attributes["fg:w"].value);
-        if (w > maxwidth)
-            maxwidth = w;
-        if (func.match(re)) {
-            // highlight
-            var x = parseInt(rect.attributes["fg:x"].value);
-            orig_save(rect, "fill");
-            rect.attributes.fill.value = searchcolor;
-            // 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;
-    var params = get_params();
-    params.s = term;
-    history.replaceState(null, null, parse_params(params));
-
-    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.
-    for (var k in keys) {
-        var x = parseInt(keys[k]);
-        var w = matches[keys[k]];
-        if (x >= lastx + lastw) {
-            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 + "%";
-}
-function format_percent(n) {
-    return n.toFixed(4) + "%";
-}
-]]></script><rect x="0" y="0" width="100%" height="230" fill="url(#background)"/><text id="title" fill="rgb(0,0,0)" x="50.0000%" y="24.00">Flame Graph</text><text id="details" fill="rgb(0,0,0)" x="10" y="213.00"> </text><text id="unzoom" class="hide" fill="rgb(0,0,0)" x="10" y="24.00">Reset Zoom</text><text id="search" fill="rgb(0,0,0)" x="1190" y="24.00">Search</text><text id="matched" fill="rgb(0,0,0)" x="1190" y="213.00"> </text><svg id="frames" x="10" width="1180" total_samples="15711250040"><g><title>&lt;core::result::Result&lt;T,E&gt; as core::ops::try_trait::Try&gt;::branch (1,560,579,007 samples, 9.93%)</title><rect x="0.0019%" y="133" width="9.9329%" height="15" fill="rgb(227,0,7)" fg:x="292680" fg:w="1560579007"/><text x="0.2519%" y="143.50">&lt;core::result:..</text></g><g><title>&lt;dust_lang::instruction::jump::Jump as core::convert::From&lt;&amp;dust_lang::instruction::Instruction&gt;&gt;::from (5,136,709 samples, 0.03%)</title><rect x="9.9347%" y="133" width="0.0327%" height="15" fill="rgb(217,0,24)" fg:x="1560871687" fg:w="5136709"/><text x="10.1847%" y="143.50"></text></g><g><title>dust_lang::instruction::Instruction::b (5,136,709 samples, 0.03%)</title><rect x="9.9347%" y="117" width="0.0327%" height="15" fill="rgb(221,193,54)" fg:x="1560871687" fg:w="5136709"/><text x="10.1847%" y="127.50"></text></g><g><title>core::result::Result&lt;T,E&gt;::map_err (1,922,298,094 samples, 12.24%)</title><rect x="9.9674%" y="133" width="12.2352%" height="15" fill="rgb(248,212,6)" fg:x="1566008397" fg:w="1922298094"/><text x="10.2174%" y="143.50">core::result::Resu..</text></g><g><title>core::result::Result&lt;T,E&gt;::map (2,075,171,161 samples, 13.21%)</title><rect x="22.4651%" y="117" width="13.2082%" height="15" fill="rgb(208,68,35)" fg:x="3529550144" fg:w="2075171161"/><text x="22.7151%" y="127.50">core::result::Result..</text></g><g><title>dust_lang::value::ValueRef::add (5,533,570,295 samples, 35.22%)</title><rect x="22.2026%" y="133" width="35.2204%" height="15" fill="rgb(232,128,0)" fg:x="3488306512" fg:w="5533570295"/><text x="22.4526%" y="143.50">dust_lang::value::ValueRef::add</text></g><g><title>dust_lang::value::concrete_value::ConcreteValue::add (3,417,155,502 samples, 21.75%)</title><rect x="35.6733%" y="117" width="21.7497%" height="15" fill="rgb(207,160,47)" fg:x="5604721305" fg:w="3417155502"/><text x="35.9233%" y="127.50">dust_lang::value::concrete_value::..</text></g><g><title>core::result::Result&lt;T,E&gt;::map (5,053,956,012 samples, 32.17%)</title><rect x="58.6073%" y="117" width="32.1678%" height="15" fill="rgb(228,23,34)" fg:x="9207938847" fg:w="5053956012"/><text x="58.8573%" y="127.50">core::result::Result&lt;T,E&gt;::map</text></g><g><title>[unknown] (5,165,849 samples, 0.03%)</title><rect x="90.7422%" y="101" width="0.0329%" height="15" fill="rgb(218,30,26)" fg:x="14256729010" fg:w="5165849"/><text x="90.9922%" y="111.50"></text></g><g><title>[unknown] (5,165,849 samples, 0.03%)</title><rect x="90.7422%" y="85" width="0.0329%" height="15" fill="rgb(220,122,19)" fg:x="14256729010" fg:w="5165849"/><text x="90.9922%" y="95.50"></text></g><g><title>[unknown] (5,165,849 samples, 0.03%)</title><rect x="90.7422%" y="69" width="0.0329%" height="15" fill="rgb(250,228,42)" fg:x="14256729010" fg:w="5165849"/><text x="90.9922%" y="79.50"></text></g><g><title>[unknown] (5,165,849 samples, 0.03%)</title><rect x="90.7422%" y="53" width="0.0329%" height="15" fill="rgb(240,193,28)" fg:x="14256729010" fg:w="5165849"/><text x="90.9922%" y="63.50"></text></g><g><title>[unknown] (5,165,849 samples, 0.03%)</title><rect x="90.7422%" y="37" width="0.0329%" height="15" fill="rgb(216,20,37)" fg:x="14256729010" fg:w="5165849"/><text x="90.9922%" y="47.50"></text></g><g><title>dust_lang::value::ValueRef::less_than (6,679,061,476 samples, 42.51%)</title><rect x="57.4230%" y="133" width="42.5113%" height="15" fill="rgb(206,188,39)" fg:x="9021876807" fg:w="6679061476"/><text x="57.6730%" y="143.50">dust_lang::value::ValueRef::less_than</text></g><g><title>dust_lang::value::concrete_value::ConcreteValue::less_than (1,439,043,424 samples, 9.16%)</title><rect x="90.7750%" y="117" width="9.1593%" height="15" fill="rgb(217,207,13)" fg:x="14261894859" fg:w="1439043424"/><text x="91.0250%" y="127.50">dust_lang::va..</text></g><g><title>core::cmp::impls::&lt;impl core::cmp::PartialOrd&lt;&amp;B&gt; for &amp;A&gt;::lt (273,670,000 samples, 1.74%)</title><rect x="98.1925%" y="101" width="1.7419%" height="15" fill="rgb(231,73,38)" fg:x="15427268283" fg:w="273670000"/><text x="98.4425%" y="111.50"></text></g><g><title>core::cmp::impls::&lt;impl core::cmp::PartialOrd for i64&gt;::lt (273,670,000 samples, 1.74%)</title><rect x="98.1925%" y="85" width="1.7419%" height="15" fill="rgb(225,20,46)" fg:x="15427268283" fg:w="273670000"/><text x="98.4425%" y="95.50"></text></g><g><title>dust_lang::vm::Vm::get_argument (5,140,762 samples, 0.03%)</title><rect x="99.9344%" y="133" width="0.0327%" height="15" fill="rgb(210,31,41)" fg:x="15700938283" fg:w="5140762"/><text x="100.1844%" y="143.50"></text></g><g><title>dust_lang::vm::Vm::read (5,169,945 samples, 0.03%)</title><rect x="99.9671%" y="133" width="0.0329%" height="15" fill="rgb(221,200,47)" fg:x="15706079045" fg:w="5169945"/><text x="100.2171%" y="143.50"></text></g><g><title>all (15,711,250,040 samples, 100%)</title><rect x="0.0000%" y="181" width="100.0000%" height="15" fill="rgb(226,26,5)" fg:x="0" fg:w="15711250040"/><text x="0.2500%" y="191.50"></text></g><g><title>dust_lang::vm::run (15,710,957,362 samples, 100.00%)</title><rect x="0.0019%" y="165" width="99.9981%" height="15" fill="rgb(249,33,26)" fg:x="292678" fg:w="15710957362"/><text x="0.2519%" y="175.50">dust_lang::vm::run</text></g><g><title>dust_lang::vm::Vm::run (15,710,957,362 samples, 100.00%)</title><rect x="0.0019%" y="149" width="99.9981%" height="15" fill="rgb(235,183,28)" fg:x="292678" fg:w="15710957362"/><text x="0.2519%" y="159.50">dust_lang::vm::Vm::run</text></g></svg></svg>
\ No newline at end of file
diff --git a/perf.data b/perf.data
deleted file mode 100644
index dc2b963..0000000
Binary files a/perf.data and /dev/null differ
diff --git a/perf.data.old b/perf.data.old
deleted file mode 100644
index 4886fe9..0000000
--- a/perf.data.old
+++ /dev/null
@@ -1,22 +0,0 @@
-# started on Tue Dec  3 23:57:01 2024
-
-
- Performance counter stats for 'target/release/dust bench/assets/count_to_one_billion.ds':
-
-          3,821.33 msec task-clock:u                     #    1.000 CPUs utilized             
-                 0      context-switches:u               #    0.000 /sec                      
-                 0      cpu-migrations:u                 #    0.000 /sec                      
-               128      page-faults:u                    #   33.496 /sec                      
-    19,568,365,731      cycles:u                         #    5.121 GHz                       
-        22,811,191      stalled-cycles-frontend:u        #    0.12% frontend cycles idle      
-    70,300,518,284      instructions:u                   #    3.59  insn per cycle            
-                                                  #    0.00  stalled cycles per insn   
-    12,500,111,636      branches:u                       #    3.271 G/sec                     
-            19,795      branch-misses:u                  #    0.00% of all branches           
-
-       3.822391878 seconds time elapsed
-
-       3.811230000 seconds user
-       0.000999000 seconds sys
-
-