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minimal patch to fix Windows compilation issues #876

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merged 1 commit into from
Feb 1, 2024
Merged

minimal patch to fix Windows compilation issues #876

merged 1 commit into from
Feb 1, 2024

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wkpark
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@wkpark wkpark commented Nov 16, 2023 •
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manually cherry-picked from PR #788 and PR #229 and cleaned up by me

Original work done by @Jamezo97 and @acpopescu

@wkpark wkpark mentioned this pull request Nov 16, 2023
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wkpark commented Nov 29, 2023 •
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This was referenced Dec 10, 2023
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wkpark commented Dec 11, 2023

cmake + github workflows + cuda 12.1, 11.8 + python 3.10, 3.11 + windows, ubuntu build matrix available.
https://github.com/wkpark/bitsandbytes/actions/runs/7165411186/job/19507307550

@wkpark wkpark mentioned this pull request Dec 17, 2023
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@TimDettmers TimDettmers mentioned this pull request Jan 1, 2024
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This is awesome, thanks for your contribution! We will discuss this internally and get back to you. @Titus-von-Koeller @younesbelkada please remind me that we talk about this.

@TimDettmers TimDettmers added the medium priority (will be worked on after all high priority issues) label Jan 2, 2024
@wkpark wkpark mentioned this pull request Jan 2, 2024
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rickardp reviewed Jan 2, 2024
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csrc/cpu_ops.cpp

int thread_wave_size = 256;
// we chunk the thresds into waves of 256 since the max limit is
// between 16k and 64k on Linux (we reach this when running BLOOM-176B with a large batch size)
for(long long offset = 0; offset < num_blocks; offset+=thread_wave_size)
{
long long valid_chunks = num_blocks - offset >= thread_wave_size ? thread_wave_size : num_blocks - offset;
#ifdef _WIN32
std::thread *threads = (std::thread *) malloc(sizeof(std::thread) * valid_chunks);
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Any reason not to use std::thread everywhere?

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Any reason not to use std::thread everywhere?

I just leaving this as the original patch creator intended.

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Do I understand correctly that this is ready for review?

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wkpark commented Jan 29, 2024 •
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@wkpark

Do I understand correctly that this is ready for review?

Yes. I think so.

minimal fixes have been cherry-picked and squashed. (several unrelated hunks were carefully removed/simplified manually)

see also PR #908,
https://github.com/wkpark/bitsandbytes/actions/runs/7700400727/job/20984178019

@Jamezo97 @wkpark
minimal fix to support Windows
fd319d5 
based on @Jamezo97 and @acpopescu work

manually cherry-picked from PR bitsandbytes-foundation#788 and PR bitsandbytes-foundation#229 and cleanup by wkpark

Signed-off-by: Won-Kyu Park <[email protected]>
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younesbelkada approved these changes Feb 1, 2024
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Thanks @wkpark !
I think we should merge this PR before #908 right? Could you re-enable windows build in the workflow for #908 after we merge this PR?

@younesbelkada younesbelkada merged commit 89876bb into bitsandbytes-foundation:main Feb 1, 2024
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wkpark commented Feb 1, 2024

Thanks @wkpark ! I think we should merge this PR before #908 right? Could you re-enable windows build in the workflow for #908 after we merge this PR?

right and thank you.
now I can add windows build matrix!

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Perfect thanks @wkpark !

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Thanks for your great work @wkpark I we can confirm with @Titus-von-Koeller that this PR did not break anything with respect to bnb + HF (PEFT, transformers, etc.) Looking forward to your next contributions!

wkpark added a commit to wkpark/bitsandbytes that referenced this pull request Feb 1, 2024
@wkpark
add missing definitions accidentally removed by mistake in PR bitsand…
64e2058 
…bytes-foundation#876
wkpark added a commit to wkpark/bitsandbytes that referenced this pull request Feb 1, 2024
@wkpark
add missing definitions accidentally removed by mistake in PR bitsand…
d97700a 
…bytes-foundation#876
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@younesbelkada younesbelkada younesbelkada approved these changes

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@wkpark @TimDettmers @Titus-von-Koeller @younesbelkada @rickardp @Jamezo97