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Commit attr runs less frequently by accumulating length of color run #6919
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protip: use the "hide whitespace changes" option on github to make reviewing this PR 99% easier
FINALLY THE FEATURE TESTS CAUGHT SOMETHING |
…he initial index of the function call.
Hello @miniksa! Because this pull request has the p.s. you can customize the way I help with merging this pull request, such as holding this pull request until a specific person approves. Simply @mention me (
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Carlos Zamora (1) * UIA: use full buffer comparison in rects and endpoint setter (GH-6447) Dan Thompson (2) * Tweaks: normalize TextAttribute method names (adjective form) (GH-6951) * Fix 'bcz exclusive' typo (GH-6938) Dustin L. Howett (4) * Fix VT mouse capture issues in Terminal and conhost (GH-7166) * version: bump to 1.3 on master * Update Cascadia Code to 2007.15 (GH-6958) * Move to the TerminalDependencies NuGet feed (GH-6954) James Holderness (3) * Render the SGR "underlined" attribute in the style of the font (CC-7148) * Add support for the "crossed-out" graphic rendition attribute (CC-7143) * Refactor grid line renderers with support for more line types (CC-7107) Leonard Hecker (1) * Added til::spsc, a lock-free, single-producer/-consumer FIFO queue (CC-6751) Michael Niksa (6) * Update TAEF to 10.57.200731005-develop (GH-7164) * Skip DX invalidation if we've already scrolled an entire screen worth of height (GH-6922) * Commit attr runs less frequently by accumulating length of color run (GH-6919) * Set memory order on slow atomics (GH-6920) * Cache the viewport to make invalidation faster (GH-6918) * Correct comment in this SPSC test as a quick follow up to merge. Related work items: MSFT-28208358
🎉 Handy links: |
The act of calling
InsertAttrRuns
is relatively slow. Instead ofcalling it a bunch of times to meddle with colors one cell at a time,
we'll accumulate a length of color and call it to make it act all at
once. This is great for when one color full line is getting replaced
with another color full line OR when a line is being replaced with the
same color all at once. There's significantly fewer checks to be made
inside
InsertAttrRuns
if we can help it out by accumulating the lengthof each color before asking it to stitch it into the storage.
Validation
time cat big.txt
andtime cat ls.txt
under VS PerformanceProfiler.