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Spacepoint formation algorithm change #802

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arkslobodkins
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Changed block size to 256, launching with 1024 threads per block would cause 'too many resources requested for launch' on a desktop GPU.

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@krasznaa krasznaa added the cuda Changes related to CUDA label Dec 11, 2024
@krasznaa krasznaa enabled auto-merge (squash) December 11, 2024 10:49
@stephenswat
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stephenswat commented Dec 11, 2024 via email

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stephenswat commented Dec 11, 2024 via email

@arkslobodkins
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I believe it's Nvidia RTX 500 Ada Generation Laptop GPU. CMAKE_CUDA_ARCHITECTURES was set to native in my CMakeLists so that flag should have propagated to traccc. Setting threads to 256 solves the issue...

@krasznaa krasznaa merged commit d4a406a into acts-project:main Dec 11, 2024
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stephenswat commented Dec 11, 2024 via email

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3 participants