// Copyright © 2023-2025 Advanced Micro Devices, Inc.
// SPDX-License-Identifier: MIT

#include "../shim.attn_fwd.h"
#include <aotriton/_internal/triton_kernel.h>
#include <aotriton/_internal/kernel_cluster.h>
#include <aotriton/cpp_tune.h>
#include <string_view>
#ifndef NDEBUG
#include <iostream>
#endif

#define CURRENT_ENTRY_PUBLIC Autotune_attn_fwd__A10__F98

#define ARRAY_SIZE(array)  (sizeof(array) / sizeof(array[0]))

namespace { // Anonymous namespace

using namespace std::literals::string_view_literals;

#if AOTRITON_BUILD_FOR_TUNING
// PSels and Copts in JSON String
static const char* kernel_psels[] = {
  R"xyzw({"PERSISTENT_TYPE": 2, "GRID_CU_MULTIP": 2, "BLOCK_M": 16, "BLOCK_N": 16, "PRE_LOAD_V": false})xyzw",
  R"xyzw({"PERSISTENT_TYPE": 2, "GRID_CU_MULTIP": 2, "BLOCK_M": 16, "BLOCK_N": 16, "PRE_LOAD_V": false})xyzw",
  R"xyzw({"PERSISTENT_TYPE": 2, "GRID_CU_MULTIP": 2, "BLOCK_M": 16, "BLOCK_N": 16, "PRE_LOAD_V": false})xyzw",
  R"xyzw({"PERSISTENT_TYPE": 2, "GRID_CU_MULTIP": 2, "BLOCK_M": 16, "BLOCK_N": 16, "PRE_LOAD_V": false})xyzw",
  R"xyzw({"PERSISTENT_TYPE": 2, "GRID_CU_MULTIP": 2, "BLOCK_M": 16, "BLOCK_N": 16, "PRE_LOAD_V": true})xyzw",
  R"xyzw({"PERSISTENT_TYPE": 2, "GRID_CU_MULTIP": 2, "BLOCK_M": 16, "BLOCK_N": 16, "PRE_LOAD_V": true})xyzw",
  R"xyzw({"PERSISTENT_TYPE": 2, "GRID_CU_MULTIP": 2, "BLOCK_M": 16, "BLOCK_N": 16, "PRE_LOAD_V": true})xyzw",
  R"xyzw({"PERSISTENT_TYPE": 2, "GRID_CU_MULTIP": 2, "BLOCK_M": 16, "BLOCK_N": 16, "PRE_LOAD_V": true})xyzw",
  R"xyzw({"PERSISTENT_TYPE": 2, "GRID_CU_MULTIP": 2, "BLOCK_M": 32, "BLOCK_N": 16, "PRE_LOAD_V": false})xyzw",
  R"xyzw({"PERSISTENT_TYPE": 2, "GRID_CU_MULTIP": 2, "BLOCK_M": 32, "BLOCK_N": 16, "PRE_LOAD_V": false})xyzw",
  R"xyzw({"PERSISTENT_TYPE": 2, "GRID_CU_MULTIP": 2, "BLOCK_M": 32, "BLOCK_N": 16, "PRE_LOAD_V": true})xyzw",
  R"xyzw({"PERSISTENT_TYPE": 2, "GRID_CU_MULTIP": 2, "BLOCK_M": 32, "BLOCK_N": 16, "PRE_LOAD_V": true})xyzw",
  R"xyzw({"PERSISTENT_TYPE": 2, "GRID_CU_MULTIP": 2, "BLOCK_M": 32, "BLOCK_N": 16, "PRE_LOAD_V": true})xyzw",
  R"xyzw({"PERSISTENT_TYPE": 2, "GRID_CU_MULTIP": 2, "BLOCK_M": 32, "BLOCK_N": 16, "PRE_LOAD_V": true})xyzw",
  R"xyzw({"PERSISTENT_TYPE": 2, "GRID_CU_MULTIP": 2, "BLOCK_M": 32, "BLOCK_N": 16, "PRE_LOAD_V": true})xyzw",
  R"xyzw({"PERSISTENT_TYPE": 2, "GRID_CU_MULTIP": 2, "BLOCK_M": 32, "BLOCK_N": 16, "PRE_LOAD_V": true})xyzw",
  R"xyzw({"PERSISTENT_TYPE": 2, "GRID_CU_MULTIP": 2, "BLOCK_M": 32, "BLOCK_N": 16, "PRE_LOAD_V": true})xyzw",
  R"xyzw({"PERSISTENT_TYPE": 2, "GRID_CU_MULTIP": 2, "BLOCK_M": 64, "BLOCK_N": 32, "PRE_LOAD_V": true})xyzw"
};
static const char* kernel_copts[] = {
  R"xyzw({"waves_per_eu": 1, "num_warps": 4, "num_stages": 1})xyzw",
  R"xyzw({"waves_per_eu": 2, "num_warps": 4, "num_stages": 1})xyzw",
  R"xyzw({"waves_per_eu": 3, "num_warps": 4, "num_stages": 1})xyzw",
  R"xyzw({"waves_per_eu": 4, "num_warps": 4, "num_stages": 1})xyzw",
  R"xyzw({"waves_per_eu": 1, "num_warps": 2, "num_stages": 1})xyzw",
  R"xyzw({"waves_per_eu": 2, "num_warps": 2, "num_stages": 1})xyzw",
  R"xyzw({"waves_per_eu": 2, "num_warps": 4, "num_stages": 1})xyzw",
  R"xyzw({"waves_per_eu": 3, "num_warps": 4, "num_stages": 1})xyzw",
  R"xyzw({"waves_per_eu": 1, "num_warps": 2, "num_stages": 1})xyzw",
  R"xyzw({"waves_per_eu": 3, "num_warps": 2, "num_stages": 1})xyzw",
  R"xyzw({"waves_per_eu": 1, "num_warps": 2, "num_stages": 1})xyzw",
  R"xyzw({"waves_per_eu": 1, "num_warps": 4, "num_stages": 1})xyzw",
  R"xyzw({"waves_per_eu": 2, "num_warps": 2, "num_stages": 1})xyzw",
  R"xyzw({"waves_per_eu": 2, "num_warps": 4, "num_stages": 1})xyzw",
  R"xyzw({"waves_per_eu": 3, "num_warps": 2, "num_stages": 1})xyzw",
  R"xyzw({"waves_per_eu": 3, "num_warps": 4, "num_stages": 1})xyzw",
  R"xyzw({"waves_per_eu": 4, "num_warps": 4, "num_stages": 1})xyzw",
  R"xyzw({"waves_per_eu": 2, "num_warps": 4, "num_stages": 1})xyzw"
};
#endif

struct PerfFields {
  int16_t BLOCK_M;
    int16_t BLOCK_N;
    int8_t  PERSISTENT_TYPE;
    int8_t  GRID_CU_MULTIP;
    bool    PRE_LOAD_V;
};

static PerfFields image_perf_list [] = {
    { .BLOCK_M = 16, .BLOCK_N = 16, .PERSISTENT_TYPE = 2, .GRID_CU_MULTIP = 2, .PRE_LOAD_V = false },
    { .BLOCK_M = 16, .BLOCK_N = 16, .PERSISTENT_TYPE = 2, .GRID_CU_MULTIP = 2, .PRE_LOAD_V = false },
    { .BLOCK_M = 16, .BLOCK_N = 16, .PERSISTENT_TYPE = 2, .GRID_CU_MULTIP = 2, .PRE_LOAD_V = false },
    { .BLOCK_M = 16, .BLOCK_N = 16, .PERSISTENT_TYPE = 2, .GRID_CU_MULTIP = 2, .PRE_LOAD_V = false },
    { .BLOCK_M = 16, .BLOCK_N = 16, .PERSISTENT_TYPE = 2, .GRID_CU_MULTIP = 2, .PRE_LOAD_V = true },
    { .BLOCK_M = 16, .BLOCK_N = 16, .PERSISTENT_TYPE = 2, .GRID_CU_MULTIP = 2, .PRE_LOAD_V = true },
    { .BLOCK_M = 16, .BLOCK_N = 16, .PERSISTENT_TYPE = 2, .GRID_CU_MULTIP = 2, .PRE_LOAD_V = true },
    { .BLOCK_M = 16, .BLOCK_N = 16, .PERSISTENT_TYPE = 2, .GRID_CU_MULTIP = 2, .PRE_LOAD_V = true },
    { .BLOCK_M = 32, .BLOCK_N = 16, .PERSISTENT_TYPE = 2, .GRID_CU_MULTIP = 2, .PRE_LOAD_V = false },
    { .BLOCK_M = 32, .BLOCK_N = 16, .PERSISTENT_TYPE = 2, .GRID_CU_MULTIP = 2, .PRE_LOAD_V = false },
    { .BLOCK_M = 32, .BLOCK_N = 16, .PERSISTENT_TYPE = 2, .GRID_CU_MULTIP = 2, .PRE_LOAD_V = true },
    { .BLOCK_M = 32, .BLOCK_N = 16, .PERSISTENT_TYPE = 2, .GRID_CU_MULTIP = 2, .PRE_LOAD_V = true },
    { .BLOCK_M = 32, .BLOCK_N = 16, .PERSISTENT_TYPE = 2, .GRID_CU_MULTIP = 2, .PRE_LOAD_V = true },
    { .BLOCK_M = 32, .BLOCK_N = 16, .PERSISTENT_TYPE = 2, .GRID_CU_MULTIP = 2, .PRE_LOAD_V = true },
    { .BLOCK_M = 32, .BLOCK_N = 16, .PERSISTENT_TYPE = 2, .GRID_CU_MULTIP = 2, .PRE_LOAD_V = true },
    { .BLOCK_M = 32, .BLOCK_N = 16, .PERSISTENT_TYPE = 2, .GRID_CU_MULTIP = 2, .PRE_LOAD_V = true },
    { .BLOCK_M = 32, .BLOCK_N = 16, .PERSISTENT_TYPE = 2, .GRID_CU_MULTIP = 2, .PRE_LOAD_V = true },
    { .BLOCK_M = 64, .BLOCK_N = 32, .PERSISTENT_TYPE = 2, .GRID_CU_MULTIP = 2, .PRE_LOAD_V = true }
};

// u8R generates char8_t which is poorly supported almost everywhere.
constexpr pstring_view PACKAGE_PATH
#if defined(_WIN32)
{ LR"xyzw(amd-gfx120x/flash/attn_fwd/FONLY__＊fp16@16_128_F_F_3_0___gfx120x)xyzw" };
#else
{ R"xyzw(amd-gfx120x/flash/attn_fwd/FONLY__＊fp16@16_128_F_F_3_0___gfx120x)xyzw" };
#endif
constexpr std::string_view FUNC_NAME { R"xyzw(＊fp16@16_128_F_F_3_0)xyzw" };
constexpr std::string_view ARCH_NAME { R"xyzw(gfx1200)xyzw" };

// Checksum can be confirmed with `echo -n '<string>' | b2sum -l 64`
// For example:
//   $ echo -n 'amd-gfx110x/flash/attn_fwd/FONLY__^bf16@16,128,False,False,0,0___gfx1100__P__32_32_0_2_False__CO__wave3_warp2_stg1-Gpu-gfx1100' | b2sum -l 64
//   c4b51ee645d79580  -
static AOTRITON_NS::TritonKernelCompactMeta meta_list[] = {
    { 0xa7865df8u, 0x91048907u, 334, 202 }, // a7865df891048907 = b2sum -l 64 <<< amd-gfx120x/flash/attn_fwd/FONLY__＊fp16@16_128_F_F_3_0___gfx120x__P__2_2_16_16_False__CO__wave1_warp4_stg1--Arch_gfx1200
    { 0x2a7275d3u, 0xd2453167u, 334, 116 }, // 2a7275d3d2453167 = b2sum -l 64 <<< amd-gfx120x/flash/attn_fwd/FONLY__＊fp16@16_128_F_F_3_0___gfx120x__P__2_2_16_16_False__CO__wave2_warp4_stg1--Arch_gfx1200
    { 0xe6f7160au, 0xd9ca6b16u, 334, 167 }, // e6f7160ad9ca6b16 = b2sum -l 64 <<< amd-gfx120x/flash/attn_fwd/FONLY__＊fp16@16_128_F_F_3_0___gfx120x__P__2_2_16_16_False__CO__wave3_warp4_stg1--Arch_gfx1200
    { 0xc0a4c223u, 0xbf992ca5u, 334, 133 }, // c0a4c223bf992ca5 = b2sum -l 64 <<< amd-gfx120x/flash/attn_fwd/FONLY__＊fp16@16_128_F_F_3_0___gfx120x__P__2_2_16_16_False__CO__wave4_warp4_stg1--Arch_gfx1200
    { 0x7b1b9c49u, 0x4b5f5b4au, 471, 83 }, // 7b1b9c494b5f5b4a = b2sum -l 64 <<< amd-gfx120x/flash/attn_fwd/FONLY__＊fp16@16_128_F_F_3_0___gfx120x__P__2_2_16_16_True__CO__wave1_warp2_stg1--Arch_gfx1200
    { 0x22224594u, 0xd515bc2bu, 471, 16 }, // 22224594d515bc2b = b2sum -l 64 <<< amd-gfx120x/flash/attn_fwd/FONLY__＊fp16@16_128_F_F_3_0___gfx120x__P__2_2_16_16_True__CO__wave2_warp2_stg1--Arch_gfx1200
    { 0x4328bb92u, 0xcd4985c5u, 471, 116 }, // 4328bb92cd4985c5 = b2sum -l 64 <<< amd-gfx120x/flash/attn_fwd/FONLY__＊fp16@16_128_F_F_3_0___gfx120x__P__2_2_16_16_True__CO__wave2_warp4_stg1--Arch_gfx1200
    { 0xe631a5a3u, 0xa6c1cb88u, 471, 167 }, // e631a5a3a6c1cb88 = b2sum -l 64 <<< amd-gfx120x/flash/attn_fwd/FONLY__＊fp16@16_128_F_F_3_0___gfx120x__P__2_2_16_16_True__CO__wave3_warp4_stg1--Arch_gfx1200
    { 0x71c28fd9u, 0x456a364fu, 219, 83 }, // 71c28fd9456a364f = b2sum -l 64 <<< amd-gfx120x/flash/attn_fwd/FONLY__＊fp16@16_128_F_F_3_0___gfx120x__P__2_2_32_16_False__CO__wave1_warp2_stg1--Arch_gfx1200
    { 0x6bf44076u, 0xf10b82c2u, 219, 33 }, // 6bf44076f10b82c2 = b2sum -l 64 <<< amd-gfx120x/flash/attn_fwd/FONLY__＊fp16@16_128_F_F_3_0___gfx120x__P__2_2_32_16_False__CO__wave3_warp2_stg1--Arch_gfx1200
    { 0x5e2fcbbfu, 0xc5c6f126u, 411, 83 }, // 5e2fcbbfc5c6f126 = b2sum -l 64 <<< amd-gfx120x/flash/attn_fwd/FONLY__＊fp16@16_128_F_F_3_0___gfx120x__P__2_2_32_16_True__CO__wave1_warp2_stg1--Arch_gfx1200
    { 0x5e8eb1bfu, 0xdd42222eu, 411, 202 }, // 5e8eb1bfdd42222e = b2sum -l 64 <<< amd-gfx120x/flash/attn_fwd/FONLY__＊fp16@16_128_F_F_3_0___gfx120x__P__2_2_32_16_True__CO__wave1_warp4_stg1--Arch_gfx1200
    { 0x5319e4fbu, 0x8500044eu, 411, 16 }, // 5319e4fb8500044e = b2sum -l 64 <<< amd-gfx120x/flash/attn_fwd/FONLY__＊fp16@16_128_F_F_3_0___gfx120x__P__2_2_32_16_True__CO__wave2_warp2_stg1--Arch_gfx1200
    { 0xd13cb5bfu, 0xef2412ddu, 411, 116 }, // d13cb5bfef2412dd = b2sum -l 64 <<< amd-gfx120x/flash/attn_fwd/FONLY__＊fp16@16_128_F_F_3_0___gfx120x__P__2_2_32_16_True__CO__wave2_warp4_stg1--Arch_gfx1200
    { 0xa9d9edbdu, 0x20cdd708u, 411, 33 }, // a9d9edbd20cdd708 = b2sum -l 64 <<< amd-gfx120x/flash/attn_fwd/FONLY__＊fp16@16_128_F_F_3_0___gfx120x__P__2_2_32_16_True__CO__wave3_warp2_stg1--Arch_gfx1200
    { 0x62810c9eu, 0x3730035cu, 411, 167 }, // 62810c9e3730035c = b2sum -l 64 <<< amd-gfx120x/flash/attn_fwd/FONLY__＊fp16@16_128_F_F_3_0___gfx120x__P__2_2_32_16_True__CO__wave3_warp4_stg1--Arch_gfx1200
    { 0x79301e84u, 0xaf5c5a1bu, 411, 133 }, // 79301e84af5c5a1b = b2sum -l 64 <<< amd-gfx120x/flash/attn_fwd/FONLY__＊fp16@16_128_F_F_3_0___gfx120x__P__2_2_32_16_True__CO__wave4_warp4_stg1--Arch_gfx1200
    { 0x56cce652u, 0x247d0aa2u, 441, 116 }, // 56cce652247d0aa2 = b2sum -l 64 <<< amd-gfx120x/flash/attn_fwd/FONLY__＊fp16@16_128_F_F_3_0___gfx120x__P__2_2_64_32_True__CO__wave2_warp4_stg1--Arch_gfx1200
};

static constexpr int kTotalNumKernels = ARRAY_SIZE(meta_list);

using AOTRITON_NS::v3::flash::autotune::attn_fwd_packed_string;

static AOTRITON_NS::TritonKernelCluster<kTotalNumKernels>
kernel_cluster(meta_list,
               attn_fwd_packed_string);

static int8_t lut[1][10][10] =
{
// GPU gfx1200_mod0
{{ 6, 3, 3, 5, 7, 2, 0, 1, 1, 0},
 {13,13,13,13,16,15,16,11,13,11},
 {13,11,13,13,15,13,13,13,11,13},
 {16,13,14,12,12,10,12,12,12, 4},
 {15,12,14,10,14,12,14,10, 4, 5},
 {11,14,12,14,12,12,14,10,10,14},
 {15,10,14,14,10,14,10,10,12,10},
 {16,10,12,10,12, 9,12, 8, 9, 9},
 {11,13,10,12,14,10,14,14,14,14},
 {15,12,10,12,14,12,17,17,17,10}}
// End of GPU gfx1200_mod0
}
;

}; // End of anonymous namespace

namespace AOTRITON_NS::v3::flash::autotune {

// using AOTRITON_NS::v2::flash::AttnFwdContext;

void CURRENT_ENTRY_PUBLIC(AttnFwdContext& context, int mod_number) {
#if AOTRITON_BUILD_FOR_TUNING
    int preferred_index = context._has_preferred_kernel;
    context._total_number_of_kernels = kTotalNumKernels;
#ifndef NDEBUG
    std::cerr << "Autotune_attn_fwd__A10__F98 "
              << "kTotalNumKernels = " << kTotalNumKernels << " "
              << "_has_preferred_kernel = " << preferred_index << " "
              << std::endl;
#endif
    if (preferred_index != -1) {
        if (preferred_index >= kTotalNumKernels)
            return ;
        context.kernel_on_device = kernel_cluster.get(preferred_index);
        context.pp_args_index = 2;
        context.package_path = PACKAGE_PATH;
        context.func_name = FUNC_NAME;
        context.arch_name = ARCH_NAME;
        context._preferred_kernel_psels = kernel_psels[preferred_index];
        context._preferred_kernel_copts = kernel_copts[preferred_index];
        const auto& perf = image_perf_list[preferred_index];
        context.PERSISTENT_TYPE = perf.PERSISTENT_TYPE;
    context.GRID_CU_MULTIP = perf.GRID_CU_MULTIP;
    context.BLOCK_M = perf.BLOCK_M;
    context.BLOCK_N = perf.BLOCK_N;
    context.PRE_LOAD_V = perf.PRE_LOAD_V;
        return ;
    }
#endif
    auto kernel_index = attn_fwd__lut_lambda__0(*context.params, mod_number, lut);
    if (kernel_index < 0) {
      return ;
    }
    context.kernel_on_device = kernel_cluster.get(kernel_index);
    context.pp_args_index = 2;
    context.package_path = PACKAGE_PATH;
    context.func_name = FUNC_NAME;
    context.arch_name = ARCH_NAME;
#ifndef NDEBUG
    std::cerr << __FILE__ << " kernel_index = " << int(kernel_index) << std::endl;
#endif
    const auto& perf = image_perf_list[kernel_index];
    context.PERSISTENT_TYPE = perf.PERSISTENT_TYPE;
    context.GRID_CU_MULTIP = perf.GRID_CU_MULTIP;
    context.BLOCK_M = perf.BLOCK_M;
    context.BLOCK_N = perf.BLOCK_N;
    context.PRE_LOAD_V = perf.PRE_LOAD_V;
}

#undef CURRENT_ENTRY_PUBLIC
}

// Human-readable Signature 
// Q = "*fp16:16"
// B = 0
// A = 0
// Sm_scale = "fp32"
// L = "*fp32:16"
// Q_descale = 0
// stride_bz = 0
// stride_az = 0
// Num_head_q = "i32"
// cu_seqlens_q = "*i32:16"
// BLOCK_DMODEL = 128
// Head_dim = 128
// PADDED_HEAD = False
// ENABLE_DROPOUT = False
// dropout_p = 0
// philox_seed_ptr = 0
// philox_offset1 = 0
// philox_offset2 = 0
// RETURN_ENCODED_SOFTMAX = False
// encoded_softmax = 0
// CAUSAL_TYPE = 3
// Window_left = "i32"
// BIAS_TYPE = 0
// USE_ALIBI = False
// INT8 = False
// persistent_atomic_counter = "*i32"
// Num_CU = "i32"

// SELECT * FROM FLASH$attn_fwd WHERE gpu IN ('gfx1201_mod0') AND inputs$Q_dtype = 'torch.float16' AND inputs$BLOCK_DMODEL = 128 AND inputs$PADDED_HEAD = False AND inputs$ENABLE_DROPOUT = False AND inputs$CAUSAL_TYPE = 3 AND inputs$BIAS_TYPE = 0

// vim: set fileencoding=utf-8

