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

#include "../shim.bwd_kernel_dq.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_bwd_kernel_dq__A1__F277

#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({"BLOCK_M": 16, "BLOCK_N": 16})xyzw",
  R"xyzw({"BLOCK_M": 16, "BLOCK_N": 16})xyzw",
  R"xyzw({"BLOCK_M": 16, "BLOCK_N": 16})xyzw",
  R"xyzw({"BLOCK_M": 16, "BLOCK_N": 16})xyzw",
  R"xyzw({"BLOCK_M": 16, "BLOCK_N": 16})xyzw",
  R"xyzw({"BLOCK_M": 32, "BLOCK_N": 16})xyzw",
  R"xyzw({"BLOCK_M": 32, "BLOCK_N": 16})xyzw",
  R"xyzw({"BLOCK_M": 32, "BLOCK_N": 16})xyzw",
  R"xyzw({"BLOCK_M": 32, "BLOCK_N": 16})xyzw",
  R"xyzw({"BLOCK_M": 32, "BLOCK_N": 16})xyzw",
  R"xyzw({"BLOCK_M": 64, "BLOCK_N": 16})xyzw",
  R"xyzw({"BLOCK_M": 64, "BLOCK_N": 16})xyzw",
  R"xyzw({"BLOCK_M": 64, "BLOCK_N": 16})xyzw",
  R"xyzw({"BLOCK_M": 64, "BLOCK_N": 32})xyzw",
  R"xyzw({"BLOCK_M": 64, "BLOCK_N": 32})xyzw",
  R"xyzw({"BLOCK_M": 64, "BLOCK_N": 32})xyzw",
  R"xyzw({"BLOCK_M": 64, "BLOCK_N": 32})xyzw"
};
static const char* kernel_copts[] = {
  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": 3, "num_warps": 4, "num_stages": 1})xyzw",
  R"xyzw({"waves_per_eu": 4, "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": 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": 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": 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"
};
#endif

struct PerfFields {
  int16_t BLOCK_M;
    int16_t BLOCK_N;
};

static PerfFields image_perf_list [] = {
    { .BLOCK_M = 16, .BLOCK_N = 16 },
    { .BLOCK_M = 16, .BLOCK_N = 16 },
    { .BLOCK_M = 16, .BLOCK_N = 16 },
    { .BLOCK_M = 16, .BLOCK_N = 16 },
    { .BLOCK_M = 16, .BLOCK_N = 16 },
    { .BLOCK_M = 32, .BLOCK_N = 16 },
    { .BLOCK_M = 32, .BLOCK_N = 16 },
    { .BLOCK_M = 32, .BLOCK_N = 16 },
    { .BLOCK_M = 32, .BLOCK_N = 16 },
    { .BLOCK_M = 32, .BLOCK_N = 16 },
    { .BLOCK_M = 64, .BLOCK_N = 16 },
    { .BLOCK_M = 64, .BLOCK_N = 16 },
    { .BLOCK_M = 64, .BLOCK_N = 16 },
    { .BLOCK_M = 64, .BLOCK_N = 32 },
    { .BLOCK_M = 64, .BLOCK_N = 32 },
    { .BLOCK_M = 64, .BLOCK_N = 32 },
    { .BLOCK_M = 64, .BLOCK_N = 32 }
};

// u8R generates char8_t which is poorly supported almost everywhere.
constexpr pstring_view PACKAGE_PATH
#if defined(_WIN32)
{ LR"xyzw(amd-gfx11xx/flash/bwd_kernel_dq/FONLY__＊bf16@16_96_0_T_F_1___gfx11xx)xyzw" };
#else
{ R"xyzw(amd-gfx11xx/flash/bwd_kernel_dq/FONLY__＊bf16@16_96_0_T_F_1___gfx11xx)xyzw" };
#endif
constexpr std::string_view FUNC_NAME { R"xyzw(＊bf16@16_96_0_T_F_1)xyzw" };
constexpr std::string_view ARCH_NAME { R"xyzw(gfx1100)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[] = {
    { 0xf4400f09u, 0xdf4fb458u, 0, 46 }, // f4400f09df4fb458 = b2sum -l 64 <<< amd-gfx11xx/flash/bwd_kernel_dq/FONLY__＊bf16@16_96_0_T_F_1___gfx11xx__P__16_16__CO__wave1_warp2_stg1--Arch_gfx1100
    { 0x09268d6fu, 0x1df7f609u, 0, 138 }, // 09268d6f1df7f609 = b2sum -l 64 <<< amd-gfx11xx/flash/bwd_kernel_dq/FONLY__＊bf16@16_96_0_T_F_1___gfx11xx__P__16_16__CO__wave1_warp4_stg1--Arch_gfx1100
    { 0xb3df1ee0u, 0x64bd567au, 0, 63 }, // b3df1ee064bd567a = b2sum -l 64 <<< amd-gfx11xx/flash/bwd_kernel_dq/FONLY__＊bf16@16_96_0_T_F_1___gfx11xx__P__16_16__CO__wave2_warp2_stg1--Arch_gfx1100
    { 0x542ed84cu, 0x53096d7au, 0, 155 }, // 542ed84c53096d7a = b2sum -l 64 <<< amd-gfx11xx/flash/bwd_kernel_dq/FONLY__＊bf16@16_96_0_T_F_1___gfx11xx__P__16_16__CO__wave3_warp4_stg1--Arch_gfx1100
    { 0x7562abd8u, 0xf4d4d272u, 0, 23 }, // 7562abd8f4d4d272 = b2sum -l 64 <<< amd-gfx11xx/flash/bwd_kernel_dq/FONLY__＊bf16@16_96_0_T_F_1___gfx11xx__P__16_16__CO__wave4_warp2_stg1--Arch_gfx1100
    { 0xa8331f7au, 0xdc83504cu, 40, 46 }, // a8331f7adc83504c = b2sum -l 64 <<< amd-gfx11xx/flash/bwd_kernel_dq/FONLY__＊bf16@16_96_0_T_F_1___gfx11xx__P__32_16__CO__wave1_warp2_stg1--Arch_gfx1100
    { 0x72000f4bu, 0x6daf03dfu, 40, 138 }, // 72000f4b6daf03df = b2sum -l 64 <<< amd-gfx11xx/flash/bwd_kernel_dq/FONLY__＊bf16@16_96_0_T_F_1___gfx11xx__P__32_16__CO__wave1_warp4_stg1--Arch_gfx1100
    { 0x259bfa7eu, 0x639d79bfu, 40, 80 }, // 259bfa7e639d79bf = b2sum -l 64 <<< amd-gfx11xx/flash/bwd_kernel_dq/FONLY__＊bf16@16_96_0_T_F_1___gfx11xx__P__32_16__CO__wave2_warp4_stg1--Arch_gfx1100
    { 0xfe1a56c4u, 0x937824b0u, 40, 155 }, // fe1a56c4937824b0 = b2sum -l 64 <<< amd-gfx11xx/flash/bwd_kernel_dq/FONLY__＊bf16@16_96_0_T_F_1___gfx11xx__P__32_16__CO__wave3_warp4_stg1--Arch_gfx1100
    { 0x5ace58d6u, 0x402c398bu, 40, 103 }, // 5ace58d6402c398b = b2sum -l 64 <<< amd-gfx11xx/flash/bwd_kernel_dq/FONLY__＊bf16@16_96_0_T_F_1___gfx11xx__P__32_16__CO__wave4_warp4_stg1--Arch_gfx1100
    { 0xa59929ceu, 0x639b6cfcu, 120, 138 }, // a59929ce639b6cfc = b2sum -l 64 <<< amd-gfx11xx/flash/bwd_kernel_dq/FONLY__＊bf16@16_96_0_T_F_1___gfx11xx__P__64_16__CO__wave1_warp4_stg1--Arch_gfx1100
    { 0xec5ba5a0u, 0x9a1bb72fu, 120, 80 }, // ec5ba5a09a1bb72f = b2sum -l 64 <<< amd-gfx11xx/flash/bwd_kernel_dq/FONLY__＊bf16@16_96_0_T_F_1___gfx11xx__P__64_16__CO__wave2_warp4_stg1--Arch_gfx1100
    { 0x5a44fd7bu, 0x308e8586u, 120, 155 }, // 5a44fd7b308e8586 = b2sum -l 64 <<< amd-gfx11xx/flash/bwd_kernel_dq/FONLY__＊bf16@16_96_0_T_F_1___gfx11xx__P__64_16__CO__wave3_warp4_stg1--Arch_gfx1100
    { 0x6d6965acu, 0xbce32ac7u, 126, 138 }, // 6d6965acbce32ac7 = b2sum -l 64 <<< amd-gfx11xx/flash/bwd_kernel_dq/FONLY__＊bf16@16_96_0_T_F_1___gfx11xx__P__64_32__CO__wave1_warp4_stg1--Arch_gfx1100
    { 0x98b69edau, 0xb78cda45u, 126, 80 }, // 98b69edab78cda45 = b2sum -l 64 <<< amd-gfx11xx/flash/bwd_kernel_dq/FONLY__＊bf16@16_96_0_T_F_1___gfx11xx__P__64_32__CO__wave2_warp4_stg1--Arch_gfx1100
    { 0x8df3287cu, 0x50312b7bu, 126, 155 }, // 8df3287c50312b7b = b2sum -l 64 <<< amd-gfx11xx/flash/bwd_kernel_dq/FONLY__＊bf16@16_96_0_T_F_1___gfx11xx__P__64_32__CO__wave3_warp4_stg1--Arch_gfx1100
    { 0x59d32f26u, 0xc70b1bc4u, 126, 103 }, // 59d32f26c70b1bc4 = b2sum -l 64 <<< amd-gfx11xx/flash/bwd_kernel_dq/FONLY__＊bf16@16_96_0_T_F_1___gfx11xx__P__64_32__CO__wave4_warp4_stg1--Arch_gfx1100
};

static constexpr int kTotalNumKernels = ARRAY_SIZE(meta_list);

using AOTRITON_NS::v3::flash::autotune::bwd_kernel_dq_packed_string;

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

static int8_t lut[1][10][10] =
{
// GPU gfx1100_mod0
{{ 9, 9, 9, 7, 0, 1, 0, 4, 0, 2},
 { 7, 6, 7, 9, 7, 9, 9, 9, 8, 7},
 { 6, 6, 7, 6, 7, 5, 5, 5,16, 5},
 { 6, 7, 7, 7, 7, 7, 6, 7, 9, 6},
 { 7, 6, 7, 6, 7, 6, 6, 9, 9, 3},
 { 7, 7, 6, 5, 5, 5, 7, 9, 9, 6},
 {13, 5,12,11, 5, 5, 9, 9, 9, 9},
 {13,11, 5, 7, 5, 5, 5, 5, 5, 5},
 {14, 5, 6, 5,10, 9, 2, 9, 7, 6},
 {15,11, 6,11, 5, 5, 2, 5,16,16}}
// End of GPU gfx1100_mod0
}
;

}; // End of anonymous namespace

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

// using AOTRITON_NS::v2::flash::BwdKernelDqContext;

void CURRENT_ENTRY_PUBLIC(BwdKernelDqContext& 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_bwd_kernel_dq__A1__F277 "
              << "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 = 3;
        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.BLOCK_M = perf.BLOCK_M;
    context.BLOCK_N = perf.BLOCK_N;
        return ;
    }
#endif
    auto kernel_index = bwd_kernel_dq__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 = 3;
    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.BLOCK_M = perf.BLOCK_M;
    context.BLOCK_N = perf.BLOCK_N;
}

#undef CURRENT_ENTRY_PUBLIC
}

// Human-readable Signature 
// Q = "*bf16:16"
// sm_scale = "fp32"
// L = "*fp32:16"
// D = "*fp32:16"
// num_head_q = "i32"
// cu_seqlens_q = "*i32:16"
// num_seqlens = "i32"
// dropout_p = "fp32"
// philox_seed_ptr = "*u64"
// philox_offset1 = "*u64"
// philox_offset2 = "u64"
// Window_left = 0
// BLOCK_DMODEL = 96
// CAUSAL_TYPE = 0
// ENABLE_DROPOUT = True
// PADDED_HEAD = False
// BIAS_TYPE = 1

// SELECT * FROM FLASH$bwd_kernel_dq WHERE gpu IN ('gfx1100_mod0') AND inputs$Q_dtype = 'torch.bfloat16' AND inputs$BLOCK_DMODEL = 96 AND inputs$CAUSAL_TYPE = 0 AND inputs$ENABLE_DROPOUT = True AND inputs$PADDED_HEAD = False AND inputs$BIAS_TYPE = 1

// vim: set fileencoding=utf-8

