Reorganize project folders (#6)

include/ck_tile/ops/rmsnorm2d/kernel/rmsnorm2d_fwd_kernel.hpp

@@ -0,0 +1,373 @@
+// SPDX-License-Identifier: MIT
+// Copyright (c) 2018-2025, Advanced Micro Devices, Inc. All rights reserved.
+
+#pragma once
+
+#include "ck_tile/core.hpp"
+#include "ck_tile/ops/common.hpp"
+#include "ck_tile/ops/rmsnorm2d/pipeline/rmsnorm2d_fwd_traits.hpp"
+
+namespace ck_tile {
+
+// host side args
+struct Rmsnorm2dFwdHostArgs
+{
+    const void* p_x;          // [m ,n], input, fp16/bf16
+    const void* p_x_residual; // [m ,n], shortcut input, prec same as input, nullptr if not used
+    const void* p_sm_scale;   // [1 ,n], smooth scale input, fp32, nullptr if not used
+    const void* p_gamma;      // [1, n], gamma, prec same as input
+
+    void* p_y;          // [m, n], output, fp16/bf16
+    void* p_y_residual; // [m, n], shortcut output, prec same as input, nullptr if not used
+    void* p_y_scale;    // [m, 1], output a dynamic quant per row, nullptr if not used
+    void* p_invRms;     // [m, 1], output inv-rms, prec same as input, nullptr if not used
+    void* p_y_unquant;  // [m, n], output result before quant, nullptr if not used
+
+    float epsilon;
+
+    index_t m;
+    index_t n;
+    index_t x_stride;  // x row_stride
+    index_t xr_stride; // x residule row stride
+    index_t y_stride;  // y row stride
+    index_t yr_stride; // y residule row stride
+};
+
+// TODO: Extract some type to wrapper class
+template <typename Pipeline_, typename Epilogue_>
+struct Rmsnorm2dFwd
+{
+    using Pipeline = remove_cvref_t<Pipeline_>;
+    using Epilogue = remove_cvref_t<Epilogue_>;
+    using Problem  = typename Pipeline::Problem;
+
+    using XDataType           = remove_cvref_t<typename Problem::XDataType>;
+    using GammaDataType       = remove_cvref_t<typename Problem::GammaDataType>;
+    using ComputeDataType     = remove_cvref_t<typename Problem::ComputeDataType>;
+    using YDataType           = remove_cvref_t<typename Problem::YDataType>;
+    using InvRmsDataType      = remove_cvref_t<typename Problem::InvRmsDataType>;
+    using SmoothScaleDataType = remove_cvref_t<typename Problem::SmoothScaleDataType>;
+    using YScaleDataType      = remove_cvref_t<typename Problem::YScaleDataType>;
+    using UnquantYDataType    = remove_cvref_t<typename Problem::UnquantYDataType>;
+
+    // for simplicity, shortcut input/output type is same as X
+    using XResidualDataType = XDataType;
+    using YResidualDataType = XDataType;
+
+    static constexpr bool kHasGamma    = !std::is_same_v<GammaDataType, null_type>;
+    static constexpr bool kSaveInvRms  = Problem::Traits::kSaveInvRms;
+    static constexpr bool kSaveUnquant = Problem::Traits::kSaveUnquant;
+
+    static constexpr index_t Block_M  = Problem::BlockShape::Block_M;
+    static constexpr index_t Block_N  = Problem::BlockShape::Block_N;
+    static constexpr bool kPadM       = false; // always no need to pad along M
+    static constexpr bool kPadN       = Problem::Traits::kPadN;
+    static constexpr bool kTwoPass    = Problem::Traits::kTwoPass;
+    static constexpr auto kFusedAdd   = Problem::Traits::kFusedAdd;
+    static constexpr auto kFusedQuant = Problem::Traits::kFusedQuant;
+
+    static constexpr index_t ThreadPerWarp_N = Problem::BlockShape::ThreadPerWarp_N;
+    static constexpr index_t Vector_N        = Problem::BlockShape::Vector_N;
+    static constexpr index_t Repeat_N        = Problem::BlockShape::Repeat_N;
+
+    static constexpr auto I0 = number<0>{};
+    static constexpr auto I1 = number<1>{};
+
+    struct Kargs
+    {
+        const void* p_x;
+        const void* p_x_residual;
+        const void* p_sm_scale;
+        const void* p_gamma;
+
+        void* p_y;
+        void* p_y_residual;
+        void* p_y_scale;
+        void* p_invRms;
+        void* p_y_unquant;
+
+        float epsilon;
+
+        index_t m;
+        index_t n;
+        index_t x_stride;  // x row_stride
+        index_t xr_stride; // x residule row stride
+        index_t y_stride;  // y row stride
+        index_t yr_stride; // y residule row stride
+    };
+    using Hargs = Rmsnorm2dFwdHostArgs;
+
+    CK_TILE_HOST static constexpr Kargs MakeKargs(const Hargs& hargs)
+    {
+        return Kargs{hargs.p_x,
+                     hargs.p_x_residual,
+                     hargs.p_sm_scale,
+                     hargs.p_gamma,
+                     hargs.p_y,
+                     hargs.p_y_residual,
+                     hargs.p_y_scale,
+                     hargs.p_invRms,
+                     hargs.p_y_unquant,
+                     hargs.epsilon,
+                     hargs.m,
+                     hargs.n,
+                     hargs.x_stride,
+                     hargs.xr_stride,
+                     hargs.y_stride,
+                     hargs.yr_stride};
+    }
+
+    CK_TILE_HOST static constexpr auto GridSize(const Hargs& hargs)
+    {
+        return dim3(integer_divide_ceil(hargs.m, Block_M));
+    }
+
+    CK_TILE_HOST static constexpr auto BlockSize() { return Problem::BlockShape::BlockSize; }
+
+    // clang-format off
+    template <typename T> struct t2s;
+    template <> struct t2s<float> { static constexpr const char * name = "fp32"; };
+    template <> struct t2s<ck_tile::fp16_t> { static constexpr const char * name = "fp16"; };
+    template <> struct t2s<ck_tile::bf16_t> { static constexpr const char * name = "bf16"; };
+    template <> struct t2s<ck_tile::fp8_t> { static constexpr const char * name = "fp8"; };
+    template <> struct t2s<ck_tile::bf8_t> { static constexpr const char * name = "bf8"; };
+    template <> struct t2s<ck_tile::int8_t> { static constexpr const char * name = "int8"; };
+    // clang-format on
+
+    // in byte
+    CK_TILE_HOST_DEVICE static constexpr index_t GetSmemSize() { return Pipeline::GetSmemSize(); }
+
+    CK_TILE_HOST static std::string GetName()
+    {
+#define _SS_ std::string
+#define _TS_ std::to_string
+        // clang-format off
+        using S_ = typename Problem::BlockShape;
+        auto surfix = [&] () {
+            std::string n;
+            if (kFusedAdd != Rmsnorm2dFusedAddEnum::NO_ADD) n += _SS_("_") + Rmsnorm2dFusedAddEnumName<kFusedAdd>::name;
+            if (kFusedQuant != Rmsnorm2dFusedQuantEnum::NO_SWEEP) n += _SS_("_") + Rmsnorm2dFusedQuantEnumName<kFusedQuant>::name;
+            if (kPadN) n += "_pn";
+            if (kSaveInvRms) n += "_rms";
+            if (kTwoPass) n += "_2p";
+            return n; }();
+
+        auto prec_str = [&] () {
+            std::string base_str = _SS_(t2s<XDataType>::name);
+            if (!std::is_same_v<XDataType, YDataType>) {
+                base_str += _SS_("_") + _SS_(t2s<YDataType>::name);
+            }
+            if (kFusedQuant == Rmsnorm2dFusedQuantEnum::SMOOTH_DYNAMIC_QUANT) {
+                base_str += _SS_("_sx") + _SS_(t2s<SmoothScaleDataType>::name);
+                base_str += _SS_("_sy") + _SS_(t2s<YScaleDataType>::name);
+            }
+            if (kFusedQuant == Rmsnorm2dFusedQuantEnum::DYNAMIC_QUANT) {
+                base_str += _SS_("_sy") + _SS_(t2s<YScaleDataType>::name);
+            }
+            return base_str;
+        }();
+
+        return _SS_("rmsnorm2d_fwd_") + _SS_(prec_str) + "_" +
+             _TS_(S_::Block_M) + "x" + _TS_(S_::Block_N) + "_" + _TS_(S_::WarpPerBlock_M) + "x" + _TS_(S_::WarpPerBlock_N) + "_" +
+             _TS_(S_::Warp_M) + "x" + _TS_(S_::Warp_N) + "_" + _TS_(S_::Vector_M) + "x" + _TS_(S_::Vector_N) + "_" +
+             _SS_(Pipeline::name) + surfix;
+        // clang-format on
+#undef _SS_
+#undef _TS_
+    }
+
+    CK_TILE_DEVICE void operator()(Kargs kargs) const
+    {
+        const auto iM = get_block_id() * Block_M;
+
+        const auto x_window = [&]() {
+            const auto tmp_ = make_naive_tensor_view<address_space_enum::global>(
+                static_cast<const XDataType*>(kargs.p_x),
+                make_tuple(kargs.m, kargs.n),
+                make_tuple(kargs.x_stride, 1),
+                number<Vector_N>{},
+                number<1>{});
+
+            const auto tmp2_ = pad_tensor_view(
+                tmp_, make_tuple(number<Block_M>{}, number<Block_N>{}), sequence<kPadM, kPadN>{});
+            return make_tile_window(
+                tmp2_, make_tuple(number<Block_M>{}, number<Block_N>{}), {iM, 0});
+        }();
+
+        const auto x_residual_window = [&]() {
+            if constexpr(kFusedAdd == Rmsnorm2dFusedAddEnum::PRE_ADD ||
+                         kFusedAdd == Rmsnorm2dFusedAddEnum::PRE_ADD_STORE)
+            {
+                const auto tmp_ = make_naive_tensor_view<address_space_enum::global>(
+                    static_cast<const XResidualDataType*>(kargs.p_x_residual),
+                    make_tuple(kargs.m, kargs.n),
+                    make_tuple(kargs.xr_stride, 1),
+                    number<Vector_N>{},
+                    number<1>{});
+
+                const auto tmp2_ = pad_tensor_view(tmp_,
+                                                   make_tuple(number<Block_M>{}, number<Block_N>{}),
+                                                   sequence<kPadM, kPadN>{});
+                return make_tile_window(
+                    tmp2_, make_tuple(number<Block_M>{}, number<Block_N>{}), {iM, 0});
+            }
+            else
+            {
+                return make_null_tile_window(make_tuple(number<Block_M>{}, number<Block_N>{}));
+            }
+        }();
+
+        const auto gamma_window = [&]() {
+            const auto tmp_ = make_naive_tensor_view<address_space_enum::global>(
+                static_cast<const GammaDataType*>(kargs.p_gamma),
+                make_tuple(kargs.n),
+                make_tuple(1),
+                number<Vector_N>{},
+                number<1>{});
+
+            const auto tmp2_ =
+                pad_tensor_view(tmp_, make_tuple(number<Block_N>{}), sequence<kPadN>{});
+
+            return make_tile_window(tmp2_, make_tuple(number<Block_N>{}), {0});
+        }();
+
+        auto y_window = [&]() {
+            auto tmp_ = make_naive_tensor_view<address_space_enum::global>(
+                static_cast<YDataType*>(kargs.p_y),
+                make_tuple(kargs.m, kargs.n),
+                make_tuple(kargs.y_stride, 1),
+                number<Vector_N>{},
+                number<1>{});
+
+            auto tmp2_ = pad_tensor_view(
+                tmp_, make_tuple(number<Block_M>{}, number<Block_N>{}), sequence<kPadM, kPadN>{});
+            return make_tile_window(
+                tmp2_, make_tuple(number<Block_M>{}, number<Block_N>{}), {iM, 0});
+        }();
+
+        auto y_residual_window = [&]() {
+            if constexpr(kFusedAdd == Rmsnorm2dFusedAddEnum::PRE_ADD_STORE)
+            {
+                auto tmp_ = make_naive_tensor_view<address_space_enum::global>(
+                    static_cast<YResidualDataType*>(kargs.p_y_residual),
+                    make_tuple(kargs.m, kargs.n),
+                    make_tuple(kargs.yr_stride, 1),
+                    number<Vector_N>{},
+                    number<1>{});
+
+                auto tmp2_ = pad_tensor_view(tmp_,
+                                             make_tuple(number<Block_M>{}, number<Block_N>{}),
+                                             sequence<kPadM, kPadN>{});
+                return make_tile_window(
+                    tmp2_, make_tuple(number<Block_M>{}, number<Block_N>{}), {iM, 0});
+            }
+            else
+            {
+                return make_null_tile_window(make_tuple(number<Block_M>{}, number<Block_N>{}));
+            }
+        }();
+
+        auto inv_rms_window = [&]() {
+            if constexpr(kSaveInvRms)
+            {
+                const auto inv_rms_m = [&]() {
+                    const auto inv_rms_dram_naive =
+                        make_naive_tensor_view_packed<address_space_enum::global>(
+                            static_cast<InvRmsDataType*>(kargs.p_invRms),
+                            make_tuple(kargs.m),
+                            number<1>{});
+
+                    return pad_tensor_view(
+                        inv_rms_dram_naive, make_tuple(number<Block_M>{}), sequence<kPadM>{});
+                }();
+                return make_tile_window(inv_rms_m, make_tuple(number<Block_M>{}), {iM});
+            }
+            else
+                return make_null_tile_window(make_tuple(number<Block_M>{}));
+        }();
+
+        auto sm_scale_window = [&]() {
+            if constexpr(kFusedQuant == Rmsnorm2dFusedQuantEnum::SMOOTH_DYNAMIC_QUANT)
+            {
+                const auto win_ = [&]() {
+                    const auto tmp_0_ = make_naive_tensor_view_packed<address_space_enum::global>(
+                        static_cast<const SmoothScaleDataType*>(kargs.p_sm_scale),
+                        make_tuple(kargs.n),
+                        number<Vector_N>{});
+
+                    return pad_tensor_view(tmp_0_,
+                                           make_tuple(number<Block_N>{}),
+                                           sequence<false>{}); // sm_scale no need pad
+                }();
+                return make_tile_window(win_, make_tuple(number<Block_N>{}), {0});
+            }
+            else
+            {
+                return make_null_tile_window(make_tuple(number<Block_N>{}));
+            }
+        }();
+
+        auto y_scale_window = [&]() {
+            if constexpr(kFusedQuant == Rmsnorm2dFusedQuantEnum::SMOOTH_DYNAMIC_QUANT ||
+                         kFusedQuant == Rmsnorm2dFusedQuantEnum::DYNAMIC_QUANT)
+            {
+                const auto win_ = [&]() {
+                    const auto tmp_0_ = make_naive_tensor_view_packed<address_space_enum::global>(
+                        static_cast<YScaleDataType*>(kargs.p_y_scale),
+                        make_tuple(kargs.m),
+                        number<1>{});
+
+                    return pad_tensor_view(
+                        tmp_0_, make_tuple(number<Block_M>{}), sequence<kPadM>{});
+                }();
+                return make_tile_window(win_, make_tuple(number<Block_M>{}), {iM});
+            }
+            else
+            {
+                return make_null_tile_window(make_tuple(number<Block_M>{}));
+            }
+        }();
+
+        auto unquant_y_window = [&]() {
+            if constexpr((kFusedQuant == Rmsnorm2dFusedQuantEnum::SMOOTH_DYNAMIC_QUANT ||
+                          kFusedQuant == Rmsnorm2dFusedQuantEnum::DYNAMIC_QUANT) &&
+                         kSaveUnquant)
+            {
+                auto tmp_ = make_naive_tensor_view<address_space_enum::global>(
+                    static_cast<UnquantYDataType*>(kargs.p_y_unquant),
+                    make_tuple(kargs.m, kargs.n),
+                    make_tuple(kargs.y_stride, 1),
+                    number<Vector_N>{},
+                    number<1>{});
+
+                auto tmp2_ = pad_tensor_view(tmp_,
+                                             make_tuple(number<Block_M>{}, number<Block_N>{}),
+                                             sequence<kPadM, kPadN>{});
+                return make_tile_window(
+                    tmp2_, make_tuple(number<Block_M>{}, number<Block_N>{}), {iM, 0});
+            }
+            else
+            {
+                return make_null_tile_window(make_tuple(number<Block_M>{}, number<Block_N>{}));
+            }
+        }();
+
+        __shared__ char smem[GetSmemSize()];
+
+        Pipeline{}(x_window,
+                   x_residual_window,
+                   gamma_window,
+                   y_window,
+                   y_residual_window,
+                   inv_rms_window,
+                   sm_scale_window,
+                   y_scale_window,
+                   unquant_y_window,
+                   static_cast<const ComputeDataType>(kargs.epsilon),
+                   kargs.n,
+                   smem,
+                   Epilogue{});
+    }
+};
+
+} // namespace ck_tile