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viz: skip drawing offscreen tracks in profiler (#15047)

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qazal
2026-02-27 15:19:08 +02:00
committed by GitHub
parent ad99b77f6d
commit ef1017f7ed
1 changed files with 6 additions and 1 deletions
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7
tinygrad/viz/js/index.js
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@@ -509,10 +509,14 @@ async function renderProfiler(path, unit, opts) {
const visibleX = xscale.range().map(zoomLevel.invertX, zoomLevel).map(xscale.invert, xscale);
const st = visibleX[0], et = visibleX[1];
xscale.domain([st, et]);
const profilerEl = profiler.node();
const visibleYStart = profilerEl.scrollTop-canvasTop + rect(profilerEl).top, visibleYEnd = visibleYStart+profilerEl.clientHeight;
ctx.textBaseline = "middle";
// draw shapes
for (const [k, { shapes, eventType, visible, offsetY, valueMap, pcolor, scolor, rowBorderColor }] of data.tracks) {
visible.length = 0;
const trackHeight = rect(document.getElementById(k)).height;
if (offsetY+trackHeight < visibleYStart || offsetY > visibleYEnd) continue;
const addBorder = scolor != null ? (w) => { if (w > 10) { ctx.strokeStyle = scolor; ctx.stroke(); } } : null;
for (const e of shapes) {
if (eventType === EventTypes.BUF) { // generic polygon
@@ -546,7 +550,7 @@ async function renderProfiler(path, unit, opts) {
}
// draw row line
if (rowBorderColor != null) {
const y = offsetY+rect(document.getElementById(k)).height-padding/2 - 0.5;
const y = offsetY+trackHeight-padding/2 - 0.5;
drawLine(ctx, [0, canvasWidth], [y, y], { color:rowBorderColor });
}
}
@@ -610,6 +614,7 @@ async function renderProfiler(path, unit, opts) {
document.addEventListener("contextmenu", e => e.ctrlKey && e.preventDefault());
new ResizeObserver(([e]) => e.contentRect.width > 0 && resize()).observe(profiler.node());
profiler.on("scroll", () => render(zoomLevel));
function findRectAtPosition(x, y) {
let track = null;