mirror of
https://github.com/ROCm/composable_kernel.git
synced 2026-07-17 00:58:44 +00:00
non-iglp pipeline for headdim padding cases
This commit is contained in:
@@ -14,11 +14,13 @@ from codegen.cpp_symbol_map import *
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BWD_DQDKDV_PIPELINE_MAP = {
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"kr_ktr_vr" : "ck_tile::BlockFmhaBwdDQDKDVPipelineKRKTRVR",
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"kr_ktr_vr_iglp" : "ck_tile::BlockFmhaBwdDQDKDVPipelineKRKTRVRIGLP",
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"kr_ktr_vr" : "ck_tile::BlockFmhaBwdDQDKDVPipelineKRKTRVR",
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}
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BWD_DQDKDV_PIPELINE_ENUM_MAP = {
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"kr_ktr_vr" : "ck_tile::BlockFmhaBwdPipelineEnum::KRKTRVR",
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"kr_ktr_vr_iglp" : "ck_tile::BlockFmhaBwdPipelineEnum::KRKTRVR_IGLP",
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"kr_ktr_vr" : "ck_tile::BlockFmhaBwdPipelineEnum::KRKTRVR",
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}
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FMHA_BWD_KERNEL_HEADER = """// SPDX-License-Identifier: MIT
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@@ -408,7 +410,7 @@ class FmhaBwdDQDKDVKernel:
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if n != '' : n = 'p' + n
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return n
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pn = pad_name()
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n = f"fmha_bwd_d{self.F_hdim}_{self.F_dtype}_{self.F_mode}_" + self.F_tile.name
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n = f"fmha_bwd_d{self.F_hdim}_{self.F_dtype}_{self.F_mode}_" + self.F_tile.name + f'_{self.F_pipeline}'
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if pn != '' : n += f'_{pn}'
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if self.F_bias != 'no' : n += f'_{self.F_bias}'
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if self.F_dbias == 't' : n += '_dbias'
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@@ -450,13 +452,13 @@ def get_fmha_bwd_dq_dk_dv_tile_ppl_dict_from_dtype(dtype : str) -> Optional[dict
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if dtype == 'fp16' or dtype == 'bf16':
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return {
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'32' : [FmhaBwdDQDKDVTileSize( 32, 128, 32, 32, 32, 32, 64, 32, 32, 1, 4, 1, 4, 1, 1, 2, 2, 1, 16, 16, 32, 16, 16, 16, 1),
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"kr_ktr_vr"],
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"kr_ktr_vr_iglp", "kr_ktr_vr"],
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'64' : [FmhaBwdDQDKDVTileSize( 32, 128, 64, 32, 64, 32, 32, 64, 64, 1, 4, 1, 4, 1, 1, 1, 4, 1, 16, 16, 32, 16, 16, 16, 1),
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"kr_ktr_vr"],
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"kr_ktr_vr_iglp", "kr_ktr_vr"],
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'128' : [FmhaBwdDQDKDVTileSize( 16, 128, 128, 16, 128, 16, 32, 128, 128, 1, 4, 1, 4, 1, 1, 1, 4, 1, 16, 16, 32, 16, 16, 16, 1),
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"kr_ktr_vr"],
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"kr_ktr_vr_iglp", "kr_ktr_vr"],
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'256' : [FmhaBwdDQDKDVTileSize( 16, 64, 256, 16, 256, 16, 32, 256, 256, 1, 4, 1, 4, 1, 1, 1, 4, 1, 16, 16, 32, 16, 16, 16, 1),
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"kr_ktr_vr"]
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"kr_ktr_vr_iglp", "kr_ktr_vr"]
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}
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else:
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return None
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@@ -481,6 +483,8 @@ def get_bwd_dq_dk_dv_blobs(kernel_filter : Optional[str], receipt, mask_impl) ->
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continue
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if ("wg32" in dropout):
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continue
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if (dpad == "t" or dvpad == "t"):
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ppl = d[hdim_str][2]
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k = FmhaBwdDQDKDVKernel(F_idx=0, F_hdim=hdim, F_dtype=dtype, F_tile=tile,
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F_spad=spad, F_skpad=skpad, F_dpad=dpad, F_dvpad=dvpad,
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F_bias=bias, F_dbias=dbias, F_dropout=dropout, F_mask=mask, F_mode=mode,
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@@ -497,8 +501,7 @@ def get_bwd_dq_dk_dv_blobs(kernel_filter : Optional[str], receipt, mask_impl) ->
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if receipt == 3:
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cond = dtype in ['fp16', 'bf16']
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cond &= bias in ['no', 'alibi']
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cond &= dpad == "f"
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cond &= dvpad == "f"
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cond &= dpad == dvpad
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cond &= deterministic == "f"
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if not cond:
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continue
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@@ -17,6 +17,7 @@
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#include "ck_tile/ops/fmha/pipeline/block_fmha_bwd_convert_dq.hpp"
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#include "ck_tile/ops/fmha/pipeline/block_fmha_bwd_dot_do_o.hpp"
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#include "ck_tile/ops/fmha/pipeline/block_fmha_bwd_dq_dk_dv_pipeline_kr_ktr_vr.hpp"
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#include "ck_tile/ops/fmha/pipeline/block_fmha_bwd_dq_dk_dv_pipeline_kr_ktr_vr_iglp.hpp"
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#include "ck_tile/ops/fmha/pipeline/block_fmha_bwd_pipeline_default_policy.hpp"
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#include "ck_tile/ops/fmha/pipeline/block_fmha_bwd_pipeline_enum.hpp"
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#include "ck_tile/ops/fmha/pipeline/block_fmha_bwd_pipeline_problem.hpp"
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@@ -72,9 +72,12 @@ struct FmhaBwdDQDKDVKernel
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{
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// sync with generate.py
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// clang-format off
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using bfs = typename FmhaPipeline::BlockFmhaShape;
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using gbr = typename bfs::Gemm0BlockWarps;
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using gwt = typename bfs::Gemm0WarpTile;
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using bfs = typename FmhaPipeline::BlockFmhaShape;
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using gbr0 = typename bfs::Gemm0BlockWarps;
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using gbr1 = typename bfs::Gemm1BlockWarps;
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using gbr4 = typename bfs::Gemm4BlockWarps;
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using gwt0 = typename bfs::Gemm0WarpTile;
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using gwt1 = typename bfs::Gemm1WarpTile;
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#define _SS_ std::string
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#define _TS_ std::to_string
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auto pn = [&] () {
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@@ -87,10 +90,13 @@ struct FmhaBwdDQDKDVKernel
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return
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_SS_("fmha_bwd_d") + _TS_(bfs::kQKHeaddim) + "_" + _SS_(t2s<QDataType>::name) +
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"_" + (kIsGroupMode ? "group" : "batch") + "_" +
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"b" + _TS_(bfs::kM0) + "x" + _TS_(bfs::kN0) + "x" + _TS_(bfs::kK0) + "x" +
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_TS_(bfs::kQKHeaddim) + "x" + _TS_(bfs::kVHeaddim) + "_" +
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"r" + _TS_(gbr::at(ck_tile::number<0>{})) + "x" + _TS_(gbr::at(ck_tile::number<1>{})) + "x" + _TS_(gbr::at(ck_tile::number<2>{})) + "_" +
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"w" + _TS_(gwt::at(ck_tile::number<0>{})) + "x" + _TS_(gwt::at(ck_tile::number<1>{})) + "x" + _TS_(gwt::at(ck_tile::number<2>{})) + "_" +
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"b" + _TS_(bfs::kM0) + "x" + _TS_(bfs::kN0) + "x" + _TS_(bfs::kK0) + "x" + _TS_(bfs::kK1) + "x" + _TS_(bfs::kK2) + "x" + _TS_(bfs::kK3) + "x" +
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_TS_(bfs::kK4) + "x" + _TS_(bfs::kQKHeaddim) + "x" + _TS_(bfs::kVHeaddim) + "_" +
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"r" + _TS_(gbr0::at(ck_tile::number<0>{})) + "x" + _TS_(gbr0::at(ck_tile::number<1>{})) + "x" + _TS_(gbr0::at(ck_tile::number<2>{})) + "_" +
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"r" + _TS_(gbr1::at(ck_tile::number<0>{})) + "x" + _TS_(gbr1::at(ck_tile::number<1>{})) + "x" + _TS_(gbr1::at(ck_tile::number<2>{})) + "_" +
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"r" + _TS_(gbr4::at(ck_tile::number<0>{})) + "x" + _TS_(gbr4::at(ck_tile::number<1>{})) + "x" + _TS_(gbr4::at(ck_tile::number<2>{})) + "_" +
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"w" + _TS_(gwt0::at(ck_tile::number<0>{})) + "x" + _TS_(gwt0::at(ck_tile::number<1>{})) + "x" + _TS_(gwt0::at(ck_tile::number<2>{})) + "_" +
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"w" + _TS_(gwt1::at(ck_tile::number<0>{})) + "x" + _TS_(gwt1::at(ck_tile::number<1>{})) + "x" + _TS_(gwt1::at(ck_tile::number<2>{})) + "_" +
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("o" + _TS_(kBlockPerCu) + "_") + _SS_(FmhaPipeline::name) + (pn.empty() ? "" : "_" + pn) +
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(BiasEnum == BlockAttentionBiasEnum::NO_BIAS ? _SS_("") : (_SS_("_") + BlockAttentionBiasEnumToStr<BiasEnum>::name)) +
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(kHasBiasGrad ? "_dbias" : "") + (kHasMask ? "_" + _SS_(FmhaMask::name) : "") + (kHasDropout ? "_dropout" : "" ) +
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@@ -488,73 +488,37 @@ struct BlockFmhaBwdDQDKDVPipelineKRKTRVR
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static_assert(kM0 == kK3, "kM0 should equal to kK3");
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constexpr index_t k4_loops = kN0 / kK4;
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/*
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* Prefetch Q, LSE, dO, D
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*/
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auto q_block_tile = load_tile(q_dram_window);
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move_tile_window(q_dram_window, {kM0, 0});
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auto lse_block_tile = load_tile(lse_dram_window);
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move_tile_window(lse_dram_window, {kM0});
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auto do_block_tile = load_tile(do_dram_window);
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move_tile_window(do_dram_window, {kM0, 0});
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auto d_block_tile = load_tile(d_dram_window);
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move_tile_window(d_dram_window, {kM0});
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/*
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* Store prefetched data into LDS
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*/
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store_tile(q_lds_window, q_block_tile);
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shuffle_tile(qt_block_tile, q_block_tile);
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store_tile(qt_lds_write_window, qt_block_tile);
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store_tile(lse_lds_write_window, lse_block_tile);
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store_tile(do_lds_window, do_block_tile);
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shuffle_tile(dot_block_tile, do_block_tile);
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store_tile(dot_lds_write_window, dot_block_tile);
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store_tile(d_lds_write_window, d_block_tile);
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block_sync_lds();
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/*
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* Prefetch LDS data into Reg to Asynchronous Data Movement and MFMA pipeline
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*/
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auto q_reg_tensor = load_tile(q_lds_read_window);
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auto lse = load_tile(lse_lds_read_window);
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auto do_reg_tensor = load_tile(do_lds_read_window);
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auto d = load_tile(d_lds_read_window);
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clear_tile(dv_acc);
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clear_tile(dk_acc);
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__builtin_amdgcn_sched_barrier(0);
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// Hot loop
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while(i_total_loops < (num_total_loop - 1))
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while(i_total_loops < num_total_loop)
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{
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auto q_block_tile = load_tile(q_dram_window);
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move_tile_window(q_dram_window, {kM0, 0});
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auto lse_block_tile = load_tile(lse_dram_window);
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move_tile_window(lse_dram_window, {kM0});
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store_tile(q_lds_window, q_block_tile);
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shuffle_tile(qt_block_tile, q_block_tile);
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store_tile(qt_lds_write_window, qt_block_tile);
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store_tile(lse_lds_write_window, lse_block_tile);
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block_sync_lds();
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auto q_reg_tensor = load_tile(q_lds_read_window);
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auto lse = load_tile(lse_lds_read_window);
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block_sync_lds();
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// STAGE 1, Q@K Gemm0
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auto st_acc = SPTBlockTileType{};
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q_block_tile = load_tile(q_dram_window);
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move_tile_window(q_dram_window, {kM0, 0});
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lse_block_tile = load_tile(lse_dram_window);
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move_tile_window(lse_dram_window, {kM0});
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do_block_tile = load_tile(do_dram_window);
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move_tile_window(do_dram_window, {kM0, 0});
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d_block_tile = load_tile(d_dram_window);
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move_tile_window(d_dram_window, {kM0});
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st_acc = gemm_0(q_reg_tensor, k_reg_tensor);
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auto dot_reg_tensor = load_tile(dot_lds_read_window);
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HotLoopScheduler::template GemmStagedScheduler<0>();
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__builtin_amdgcn_sched_barrier(0);
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// STAGE 2, Scale, Add bias, Mask, Softmax, Dropout
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if constexpr(BiasEnum == BlockAttentionBiasEnum::ELEMENTWISE_BIAS)
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{
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@@ -660,27 +624,11 @@ struct BlockFmhaBwdDQDKDVPipelineKRKTRVR
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}();
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// STAGE 3, P^T@OGrad^T Gemm1
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Policy::template PTFromGemm0CToGemm1A<Problem,
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decltype(pt_reg_tensor),
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decltype(pt_gemm)>(pt_reg_tensor, pt_gemm);
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gemm_1(dv_acc, pt_reg_tensor, dot_reg_tensor);
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auto do_block_tile = load_tile(do_dram_window);
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move_tile_window(do_dram_window, {kM0, 0});
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auto qt_reg_tensor = load_tile(qt_lds_read_window);
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HotLoopScheduler::template GemmStagedScheduler<1>();
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__builtin_amdgcn_sched_barrier(0);
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// STAGE 4, OGrad@V Gemm2
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auto dpt_acc = SPGradTBlockTileType{};
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dpt_acc = gemm_2(do_reg_tensor, v_reg_tensor);
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block_sync_lds();
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store_tile(q_lds_window, q_block_tile);
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shuffle_tile(qt_block_tile, q_block_tile);
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store_tile(qt_lds_write_window, qt_block_tile);
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store_tile(lse_lds_write_window, lse_block_tile);
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auto d_block_tile = load_tile(d_dram_window);
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move_tile_window(d_dram_window, {kM0});
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store_tile(do_lds_window, do_block_tile);
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shuffle_tile(dot_block_tile, do_block_tile);
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@@ -688,8 +636,26 @@ struct BlockFmhaBwdDQDKDVPipelineKRKTRVR
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store_tile(d_lds_write_window, d_block_tile);
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HotLoopScheduler::template GemmStagedScheduler<2>();
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__builtin_amdgcn_sched_barrier(0);
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block_sync_lds();
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auto dot_reg_tensor = load_tile(dot_lds_read_window);
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block_sync_lds();
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Policy::template PTFromGemm0CToGemm1A<Problem,
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decltype(pt_reg_tensor),
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decltype(pt_gemm)>(pt_reg_tensor, pt_gemm);
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gemm_1(dv_acc, pt_reg_tensor, dot_reg_tensor);
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// STAGE 4, OGrad@V Gemm2
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auto do_reg_tensor = load_tile(do_lds_read_window);
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auto d = load_tile(d_lds_read_window);
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block_sync_lds();
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auto dpt_acc = SPGradTBlockTileType{};
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dpt_acc = gemm_2(do_reg_tensor, v_reg_tensor);
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// STAGE 5, P^T(PGrad^T - D)
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auto dst = SPGradTBlockTileType{};
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constexpr auto dst_spans = decltype(dst)::get_distributed_spans();
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@@ -732,6 +698,9 @@ struct BlockFmhaBwdDQDKDVPipelineKRKTRVR
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}
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// STAGE 6, SGrad^T@Q^T Gemm3
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auto qt_reg_tensor = load_tile(qt_lds_read_window);
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block_sync_lds();
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const auto dst_gemm = cast_tile<GemmDataType>(dst);
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Policy::template SGradTFromGemm2CToGemm3A<Problem,
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@@ -747,11 +716,7 @@ struct BlockFmhaBwdDQDKDVPipelineKRKTRVR
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auto ds_reg_tensor = load_tile(ds_lds_read_window);
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auto ds_reg_tensor_next = decltype(ds_reg_tensor){};
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move_tile_window(ds_lds_read_window, {0, kK4});
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q_reg_tensor = load_tile(q_lds_read_window);
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lse = load_tile(lse_lds_read_window);
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HotLoopScheduler::template GemmStagedScheduler<3>();
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__builtin_amdgcn_sched_barrier(0);
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// STAGE7 SGrad@K^T Gemm4
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auto dq_acc = QGradBlockTileType{};
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clear_tile(dq_acc);
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@@ -773,12 +738,6 @@ struct BlockFmhaBwdDQDKDVPipelineKRKTRVR
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}
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});
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move_tile_window(ds_lds_read_window, {0, -kN0});
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do_reg_tensor = load_tile(do_lds_read_window);
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d = load_tile(d_lds_read_window);
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HotLoopScheduler::template GemmStagedScheduler<4>();
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// QGrad Scale
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if constexpr(FmhaDropout::IsDropout)
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{
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@@ -802,234 +761,19 @@ struct BlockFmhaBwdDQDKDVPipelineKRKTRVR
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i_total_loops += 1;
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seqlen_q_step += kM0;
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}
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__builtin_amdgcn_sched_barrier(0);
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// Tail
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auto st_acc = SPTBlockTileType{};
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// STAGE 1, Q@K Gemm0
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st_acc = gemm_0(q_reg_tensor, k_reg_tensor);
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// STAGE 2, Scale, Add bias, Mask, Softmax, Dropout
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if constexpr(BiasEnum == BlockAttentionBiasEnum::ELEMENTWISE_BIAS)
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{
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const auto bias_tile = load_tile(bias_dram_window);
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auto bias_shuffle_tmp = make_static_distributed_tensor<BiasDataType>(
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Policy::template MakeShuffledBiasTileDistribution<Problem>());
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shuffle_tile(bias_shuffle_tmp, bias_tile);
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store_tile(biast_lds_shuffle_window, bias_shuffle_tmp);
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block_sync_lds();
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auto biast_tile = load_tile(biast_lds_window);
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tile_elementwise_inout(
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[&](auto& x, const auto& y) {
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x = scale * x + log2e_v<AccDataType> * type_convert<AccDataType>(y);
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},
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st_acc,
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biast_tile);
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}
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else if constexpr(BiasEnum == BlockAttentionBiasEnum::ALIBI)
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{
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constexpr auto st_spans = decltype(st_acc)::get_distributed_spans();
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sweep_tile_span(st_spans[number<0>{}], [&](auto idx0) {
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sweep_tile_span(st_spans[number<1>{}], [&](auto idx1) {
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const auto tile_idx = get_x_indices_from_distributed_indices(
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st_acc.get_tile_distribution(), make_tuple(idx0, idx1));
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|
||||
const auto row = seqlen_q_step + tile_idx.at(number<0>{});
|
||||
const auto col = k_origin.at(number<0>{}) + tile_idx.at(number<1>{});
|
||||
constexpr auto i_j_idx = make_tuple(idx0, idx1);
|
||||
|
||||
st_acc(i_j_idx) *= scale;
|
||||
position_encoding.update(st_acc(i_j_idx), row, col);
|
||||
});
|
||||
});
|
||||
}
|
||||
|
||||
if constexpr(kPadSeqLenK || FmhaMask::IsMasking)
|
||||
{
|
||||
bool need_perpixel_check = mask.IsEdgeTile(
|
||||
seqlen_q_step, k_origin.at(number<0>{}), number<kM0>{}, number<kN0>{});
|
||||
if(need_perpixel_check)
|
||||
{
|
||||
set_tile_if(st_acc, -numeric<AccDataType>::infinity(), [&](auto tile_idx) {
|
||||
const auto row = seqlen_q_step + tile_idx.at(number<0>{});
|
||||
const auto col = k_origin.at(number<0>{}) + tile_idx.at(number<1>{});
|
||||
return mask.IsOutOfBound(row, col);
|
||||
});
|
||||
}
|
||||
}
|
||||
|
||||
static const auto get_validated_lse = [](LSEDataType raw_lse) {
|
||||
if constexpr(BiasEnum == BlockAttentionBiasEnum::ELEMENTWISE_BIAS ||
|
||||
FmhaMask::IsMasking)
|
||||
{
|
||||
return raw_lse == -numeric<LSEDataType>::infinity() ? type_convert<LSEDataType>(0.f)
|
||||
: raw_lse;
|
||||
}
|
||||
else
|
||||
{
|
||||
return raw_lse;
|
||||
}
|
||||
};
|
||||
|
||||
auto pt = SPTBlockTileType{};
|
||||
constexpr auto pt_spans = decltype(pt)::get_distributed_spans();
|
||||
sweep_tile_span(pt_spans[number<0>{}], [&](auto idx0) {
|
||||
constexpr auto i_idx = make_tuple(idx0);
|
||||
auto row_lse = log2e_v<LSEDataType> * get_validated_lse(lse[i_idx]);
|
||||
|
||||
sweep_tile_span(pt_spans[number<1>{}], [&](auto idx1) {
|
||||
constexpr auto i_j_idx = make_tuple(idx0, idx1);
|
||||
if constexpr(BiasEnum == BlockAttentionBiasEnum::ELEMENTWISE_BIAS ||
|
||||
BiasEnum == BlockAttentionBiasEnum::ALIBI)
|
||||
{
|
||||
pt(i_j_idx) = exp2(st_acc[i_j_idx] - row_lse);
|
||||
}
|
||||
else
|
||||
{
|
||||
pt(i_j_idx) = exp2(scale * st_acc[i_j_idx] - row_lse);
|
||||
}
|
||||
});
|
||||
});
|
||||
|
||||
if constexpr(FmhaDropout::IsDropout)
|
||||
{
|
||||
dropout.template Run<decltype(gemm_0), RandValOutputDataType>(
|
||||
seqlen_q_step, k_origin.at(number<0>{}), pt, randval_dram_window);
|
||||
}
|
||||
|
||||
// STAGE 3, P^T@OGrad^T Gemm1
|
||||
const auto pt_gemm = [&]() {
|
||||
if constexpr(FmhaDropout::IsDropout)
|
||||
{
|
||||
return tile_elementwise_in(
|
||||
[](const auto& x) { return type_convert<GemmDataType>(x > 0.f ? x : 0.f); },
|
||||
pt);
|
||||
}
|
||||
else
|
||||
{
|
||||
return cast_tile<GemmDataType>(pt);
|
||||
}
|
||||
}();
|
||||
|
||||
Policy::template PTFromGemm0CToGemm1A<Problem, decltype(pt_reg_tensor), decltype(pt_gemm)>(
|
||||
pt_reg_tensor, pt_gemm);
|
||||
auto dot_reg_tensor = load_tile(dot_lds_read_window);
|
||||
gemm_1(dv_acc, pt_reg_tensor, dot_reg_tensor);
|
||||
|
||||
HotLoopScheduler::template GemmStagedScheduler<1>();
|
||||
|
||||
// STAGE 4, OGrad@V Gemm2
|
||||
auto dpt_acc = SPGradTBlockTileType{};
|
||||
|
||||
auto qt_reg_tensor = load_tile(qt_lds_read_window);
|
||||
|
||||
dpt_acc = gemm_2(do_reg_tensor, v_reg_tensor);
|
||||
|
||||
HotLoopScheduler::template GemmStagedScheduler<2>();
|
||||
|
||||
// STAGE 5, P^T(PGrad^T - D)
|
||||
auto dst = SPGradTBlockTileType{};
|
||||
constexpr auto dst_spans = decltype(dst)::get_distributed_spans();
|
||||
sweep_tile_span(dst_spans[number<0>{}], [&](auto idx0) {
|
||||
constexpr auto i_idx = make_tuple(idx0);
|
||||
sweep_tile_span(dst_spans[number<1>{}], [&](auto idx1) {
|
||||
constexpr auto i_j_idx = make_tuple(idx0, idx1);
|
||||
bool undrop_flag = pt[i_j_idx] >= 0;
|
||||
dst(i_j_idx) = pt[i_j_idx] * (!FmhaDropout::IsDropout || undrop_flag
|
||||
? (dpt_acc[i_j_idx] - d[i_idx])
|
||||
: d[i_idx]);
|
||||
});
|
||||
});
|
||||
|
||||
if constexpr(kHasBiasGrad)
|
||||
{
|
||||
const auto dbiast = [&]() {
|
||||
if constexpr(FmhaDropout::IsDropout)
|
||||
{
|
||||
return tile_elementwise_in(
|
||||
[&rp_undrop](const auto& x) {
|
||||
return type_convert<BiasGradDataType>(x * rp_undrop);
|
||||
},
|
||||
dst);
|
||||
}
|
||||
else
|
||||
{
|
||||
return cast_tile<BiasGradDataType>(dst);
|
||||
}
|
||||
}();
|
||||
store_tile(biast_lds_shuffle_window, dbiast);
|
||||
block_sync_lds();
|
||||
auto dbiast_tile = load_tile(dbiast_lds_shuffle_window);
|
||||
auto dbiast_shuffle_tmp = make_static_distributed_tensor<BiasGradDataType>(
|
||||
Policy::template MakeBiasTileDistribution<Problem>());
|
||||
shuffle_tile(dbiast_shuffle_tmp, dbiast_tile);
|
||||
store_tile(dbias_dram_window, dbiast_shuffle_tmp);
|
||||
}
|
||||
|
||||
// STAGE 6, SGrad^T@Q^T Gemm3
|
||||
const auto dst_gemm = cast_tile<GemmDataType>(dst);
|
||||
|
||||
Policy::template SGradTFromGemm2CToGemm3A<Problem,
|
||||
decltype(dst_reg_tensor),
|
||||
decltype(dst_gemm)>(dst_reg_tensor, dst_gemm);
|
||||
|
||||
gemm_3(dk_acc, dst_reg_tensor, qt_reg_tensor);
|
||||
store_tile(ds_lds_window, dst_gemm);
|
||||
|
||||
block_sync_lds();
|
||||
|
||||
auto ds_reg_tensor = load_tile(ds_lds_read_window);
|
||||
auto ds_reg_tensor_next = decltype(ds_reg_tensor){};
|
||||
move_tile_window(ds_lds_read_window, {0, kK4});
|
||||
|
||||
HotLoopScheduler::template GemmStagedScheduler<3>();
|
||||
// STAGE 7, SGrad@K^T Gemm4
|
||||
auto dq_acc = QGradBlockTileType{};
|
||||
clear_tile(dq_acc);
|
||||
|
||||
static_for<0, k4_loops, 1>{}([&](auto i_k4) {
|
||||
if constexpr(i_k4 < k4_loops - 1)
|
||||
{
|
||||
ds_reg_tensor_next = load_tile(ds_lds_read_window);
|
||||
move_tile_window(ds_lds_read_window, {0, kK4});
|
||||
}
|
||||
auto kt_reg_tensor_slice = get_slice_tile(
|
||||
kt_reg_tensor, sequence<0, i_k4 * kK4>{}, sequence<kQKHeaddim, (i_k4 + 1) * kK4>{});
|
||||
|
||||
gemm_4(dq_acc, ds_reg_tensor, kt_reg_tensor_slice);
|
||||
if constexpr(i_k4 < k4_loops - 1)
|
||||
{
|
||||
ds_reg_tensor.get_thread_buffer() = ds_reg_tensor_next.get_thread_buffer();
|
||||
}
|
||||
});
|
||||
|
||||
HotLoopScheduler::template GemmStagedScheduler<4>();
|
||||
|
||||
// Results Scale
|
||||
if constexpr(FmhaDropout::IsDropout)
|
||||
{
|
||||
tile_elementwise_inout([&scale_rp_undrop](auto& x) { x = x * scale_rp_undrop; },
|
||||
dq_acc);
|
||||
tile_elementwise_inout([&scale_rp_undrop](auto& x) { x = x * scale_rp_undrop; },
|
||||
dk_acc);
|
||||
tile_elementwise_inout([&rp_undrop](auto& x) { x = x * rp_undrop; }, dv_acc);
|
||||
}
|
||||
else
|
||||
{
|
||||
tile_elementwise_inout([&raw_scale](auto& x) { x = x * raw_scale; }, dq_acc);
|
||||
tile_elementwise_inout([&raw_scale](auto& x) { x = x * raw_scale; }, dk_acc);
|
||||
}
|
||||
|
||||
if constexpr(kIsDeterministic)
|
||||
{
|
||||
store_tile(dq_dram_window, dq_acc);
|
||||
}
|
||||
else
|
||||
{
|
||||
update_tile(dq_dram_window, dq_acc);
|
||||
}
|
||||
|
||||
return make_tuple(dk_acc, dv_acc);
|
||||
}
|
||||
};
|
||||
|
||||
File diff suppressed because it is too large
Load Diff
@@ -8,7 +8,8 @@ namespace ck_tile {
|
||||
// This class is used for codegen pattern matching
|
||||
enum class BlockFmhaBwdPipelineEnum
|
||||
{
|
||||
KRKTRVR = 0,
|
||||
KRKTRVR_IGLP = 0,
|
||||
KRKTRVR,
|
||||
};
|
||||
|
||||
} // namespace ck_tile
|
||||
|
||||
Reference in New Issue
Block a user