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perf: reduce SKPaint and SKPath allocations #18476

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perf: reduce SKPaint and SKPath allocations #18476

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ramezgerges
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@ramezgerges ramezgerges commented Oct 15, 2024 •
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@github-actions github-actions bot added the area/skia ✏️ Categorizes an issue or PR as relevant to Skia label Oct 15, 2024
@ramezgerges ramezgerges changed the title Composition path clipping linux fix: shapes ignoring clipping sometimes on Linux Oct 15, 2024
@unodevops
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🤖 Your Docs stage site is ready! Visit it here: https://unodocsprstaging.z13.web.core.windows.net/pr-18476/index.html

@ramezgerges ramezgerges force-pushed the composition_path_clipping_linux branch from a136d51 to a207fd5 Compare October 16, 2024 16:08
@ramezgerges ramezgerges changed the title fix: shapes ignoring clipping sometimes on Linux perf: reduce SKPaint and SKPath allocations Oct 16, 2024
@MartinZikmund
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Can you please try to measure the perf improvement to see how much it helps?

@ramezgerges
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@MartinZikmund
The improvement is most noticeable in a continuously-rendering app (e.g. with animation) and some shapes.

Profiling the HitTest_Shapes samples for around a minute while holding down tab (to shift the focus visual and invalidating the render) gives this:

SKPath: 4.57 MB / 185 MB before vs 179.1 KB / 170 MB after
SKPaint: 25 KB / 185 MB before vs 432 B (not KB) / 170 MB after

Seems like optimizing SKPaint didn't matter a whole lot, but it was very high in the profiler graph in a different profiling session earlier today. I don't totally remember the scenario I was testing with.

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🤖 Your Docs stage site is ready! Visit it here: https://unodocsprstaging.z13.web.core.windows.net/pr-18476/index.html

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🤖 Your WebAssembly Sample App stage site is ready! Visit it here: https://unowasmprstaging.z20.web.core.windows.net/pr-18476/index.html

@github-actions github-actions bot added the area/automation Categorizes an issue or PR as relevant to project automation label Oct 17, 2024
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🤖 Your Docs stage site is ready! Visit it here: https://unodocsprstaging.z13.web.core.windows.net/pr-18476/index.html

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🤖 Your WebAssembly Sample App stage site is ready! Visit it here: https://unowasmprstaging.z20.web.core.windows.net/pr-18476/index.html

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🤖 Your Docs stage site is ready! Visit it here: https://unodocsprstaging.z13.web.core.windows.net/pr-18476/index.html

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🤖 Your WebAssembly Sample App stage site is ready! Visit it here: https://unowasmprstaging.z20.web.core.windows.net/pr-18476/index.html

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@ramezgerges @unodevops @MartinZikmund @jeromelaban @Youssef1313