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Disable regressions
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@bernhardmgruber
bernhardmgruber committed Feb 6, 2025
1 parent 9741f5f commit 98eae95
Showing 1 changed file with 29 additions and 27 deletions.
56 changes: 29 additions & 27 deletions cub/cub/device/dispatch/tuning/tuning_histogram.cuh
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Original file line number Diff line number Diff line change
Expand Up @@ -182,33 +182,35 @@ struct sm100_tuning<false, SampleT, 1, 1, counter_size::_4, primitive_sample::ye
// template <class SampleT>
// struct sm100_tuning<false, SampleT, 1, 1, counter_size::_4, primitive_sample::yes, sample_size::_2> {};

template <class SampleT>
struct sm100_tuning<false, SampleT, 1, 1, counter_size::_4, primitive_sample::yes, sample_size::_4>
{
// ipt_9.tpb_1024.rle_1.ws_0.mem_1.ld_0.laid_1.vec_0 1.358537 1.001009 1.373329 2.614104
static constexpr int items = 9;
static constexpr int threads = 1024;
static constexpr bool rle_compress = true;
static constexpr bool work_stealing = false;
static constexpr BlockHistogramMemoryPreference mem_preference = SMEM;
static constexpr CacheLoadModifier load_modifier = LOAD_DEFAULT;
static constexpr BlockLoadAlgorithm load_algorithm = BLOCK_LOAD_WARP_TRANSPOSE;
static constexpr int vec_size = 1 << 0;
};

template <class SampleT>
struct sm100_tuning<false, SampleT, 1, 1, counter_size::_4, primitive_sample::yes, sample_size::_8>
{
// ipt_7.tpb_544.rle_1.ws_0.mem_1.ld_1.laid_0.vec_0 1.105331 0.934888 1.108557 1.391657
static constexpr int items = 7;
static constexpr int threads = 544;
static constexpr bool rle_compress = true;
static constexpr bool work_stealing = false;
static constexpr BlockHistogramMemoryPreference mem_preference = SMEM;
static constexpr CacheLoadModifier load_modifier = LOAD_LDG;
static constexpr BlockLoadAlgorithm load_algorithm = BLOCK_LOAD_DIRECT;
static constexpr int vec_size = 1 << 0;
};
// TODO(gonidelis): we found the below tuning but the verification benchmark showed regressions, so it's disabled
// template <class SampleT>
// struct sm100_tuning<false, SampleT, 1, 1, counter_size::_4, primitive_sample::yes, sample_size::_4>
// {
// // ipt_9.tpb_1024.rle_1.ws_0.mem_1.ld_0.laid_1.vec_0 1.358537 1.001009 1.373329 2.614104
// static constexpr int items = 9;
// static constexpr int threads = 1024;
// static constexpr bool rle_compress = true;
// static constexpr bool work_stealing = false;
// static constexpr BlockHistogramMemoryPreference mem_preference = SMEM;
// static constexpr CacheLoadModifier load_modifier = LOAD_DEFAULT;
// static constexpr BlockLoadAlgorithm load_algorithm = BLOCK_LOAD_WARP_TRANSPOSE;
// static constexpr int vec_size = 1 << 0;
// };

// TODO(gonidelis): we found the below tuning but the verification benchmark showed regressions, so it's disabled
// template <class SampleT>
// struct sm100_tuning<false, SampleT, 1, 1, counter_size::_4, primitive_sample::yes, sample_size::_8>
// {
// // ipt_7.tpb_544.rle_1.ws_0.mem_1.ld_1.laid_0.vec_0 1.105331 0.934888 1.108557 1.391657
// static constexpr int items = 7;
// static constexpr int threads = 544;
// static constexpr bool rle_compress = true;
// static constexpr bool work_stealing = false;
// static constexpr BlockHistogramMemoryPreference mem_preference = SMEM;
// static constexpr CacheLoadModifier load_modifier = LOAD_LDG;
// static constexpr BlockLoadAlgorithm load_algorithm = BLOCK_LOAD_DIRECT;
// static constexpr int vec_size = 1 << 0;
// };

// multi.even
template <class SampleT>
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