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Cleanup CUDA implementation a bit #199

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Cleanup CUDA implementation a bit #199

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gonzalobg
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  • Refactor all kernels into a generic "parallel for" algorithm
    • Supports grid-stride and block-stride loops, configurable with model flag
    • Handles devices of different sizes via occupancy APIs
  • Refactor memory allocation APIs
  • Prints more GPU details, in particular, the theoretical peak BW in GB/s of the current device, using the NVML library (which is part of the CUDA Toolkit and always available)
  • Fixes 2 bugs:
    • Prints the "order" used to run the benchmarks (e.g. classic vs isolated)
    • Fixes a division by zero bug in the solution checking

@gonzalobg
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This was passing. Seems like this and other PRs are spuriously failing due to some cache issue @tom91136 @tomdeakin

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Closing for #202

@gonzalobg gonzalobg closed this Jun 5, 2024
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