Release the GIL for long-running functions? #6410
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Would it be possible to release the GIL for long-running functions? e.g WebPAnimEncoder.add (especially at high quality settings). |
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Replies: 4 comments 1 reply
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Could you provide some more information? What negative situation are you experiencing that caused you to figure out that Pillow wasn't releasing? |
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The test was really simple: I just spawned 2 threads and had both call save for 2 different WebP Images (though I don't know if it matters, but both were Image.copy's of the same image). It took about 2x as long as a single thread saving 1 image. That and CPU usage never went above 12.5%. |
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You may be interested in #7782, which releases the GIL while calling |
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You may be interested in #8199, where Pillow 11.0.0 will work with the experimental free-threaded mode of Python 3.13. |
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#8386 will finally release the GIL for |
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#8386 will finally release the GIL for
WebPAnimEncoderAdd