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uefi-test-runner: speed up ploting of sierpinski triangle by updating changed pixel only#1209

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phip1611 merged 1 commit intorust-osdev:mainfromJeffLi01:main
Jun 21, 2024

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JeffLi01
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When only one pixel needs to be updated, there is no need to transfer the entire buffer. After drawing the background in advance, you only need to update each pixel that requires it.

@JeffLi01JeffLi01 changed the titleuefi-test-runner: speed up ploting of sierpinski triangle by updating…uefi-test-runner: speed up ploting of sierpinski triangle by updating changed pixel onlyJun 17, 2024
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phip1611 commentedJun 17, 2024•
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Interesting. May you tell us a little about the background how/where you noticed the slow performance? Are you running everything inside a QEMU without accelerator?

Looks cool and sensible - thanks!

@phip1611phip1611 self-assigned thisJun 17, 2024
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Are you running everything inside a QEMU without accelerator?

Yes, I executed the example within QEMU on my laptop, and it took several tens of seconds for the outline to appear.

… changed pixel onlySigned-off-by: Jeff Li <lijinfeng01@ieisystem.com>
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I ran it locally on my machine. A notable performance improvement - thanks for your contribution!

JeffLi01 reacted with laugh emoji

@phip1611phip1611 added this pull request to themerge queueJun 21, 2024
Merged via the queue intorust-osdev:main with commit8ea4837Jun 21, 2024
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