// 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__A3__F212

#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": 0, "GRID_CU_MULTIP": 2, "BLOCK_M": 16, "BLOCK_N": 16, "PRE_LOAD_V": true})xyzw",
  R"xyzw({"PERSISTENT_TYPE": 0, "GRID_CU_MULTIP": 2, "BLOCK_M": 32, "BLOCK_N": 16, "PRE_LOAD_V": false})xyzw",
  R"xyzw({"PERSISTENT_TYPE": 0, "GRID_CU_MULTIP": 2, "BLOCK_M": 32, "BLOCK_N": 16, "PRE_LOAD_V": false})xyzw",
  R"xyzw({"PERSISTENT_TYPE": 0, "GRID_CU_MULTIP": 2, "BLOCK_M": 32, "BLOCK_N": 16, "PRE_LOAD_V": true})xyzw",
  R"xyzw({"PERSISTENT_TYPE": 0, "GRID_CU_MULTIP": 2, "BLOCK_M": 32, "BLOCK_N": 16, "PRE_LOAD_V": true})xyzw",
  R"xyzw({"PERSISTENT_TYPE": 0, "GRID_CU_MULTIP": 2, "BLOCK_M": 32, "BLOCK_N": 16, "PRE_LOAD_V": true})xyzw",
  R"xyzw({"PERSISTENT_TYPE": 0, "GRID_CU_MULTIP": 2, "BLOCK_M": 32, "BLOCK_N": 16, "PRE_LOAD_V": true})xyzw",
  R"xyzw({"PERSISTENT_TYPE": 0, "GRID_CU_MULTIP": 2, "BLOCK_M": 32, "BLOCK_N": 32, "PRE_LOAD_V": false})xyzw",
  R"xyzw({"PERSISTENT_TYPE": 0, "GRID_CU_MULTIP": 2, "BLOCK_M": 32, "BLOCK_N": 32, "PRE_LOAD_V": false})xyzw",
  R"xyzw({"PERSISTENT_TYPE": 0, "GRID_CU_MULTIP": 2, "BLOCK_M": 32, "BLOCK_N": 32, "PRE_LOAD_V": false})xyzw",
  R"xyzw({"PERSISTENT_TYPE": 0, "GRID_CU_MULTIP": 2, "BLOCK_M": 32, "BLOCK_N": 32, "PRE_LOAD_V": false})xyzw",
  R"xyzw({"PERSISTENT_TYPE": 0, "GRID_CU_MULTIP": 2, "BLOCK_M": 32, "BLOCK_N": 32, "PRE_LOAD_V": false})xyzw",
  R"xyzw({"PERSISTENT_TYPE": 0, "GRID_CU_MULTIP": 2, "BLOCK_M": 32, "BLOCK_N": 32, "PRE_LOAD_V": false})xyzw",
  R"xyzw({"PERSISTENT_TYPE": 0, "GRID_CU_MULTIP": 2, "BLOCK_M": 32, "BLOCK_N": 32, "PRE_LOAD_V": true})xyzw",
  R"xyzw({"PERSISTENT_TYPE": 0, "GRID_CU_MULTIP": 2, "BLOCK_M": 32, "BLOCK_N": 32, "PRE_LOAD_V": true})xyzw",
  R"xyzw({"PERSISTENT_TYPE": 0, "GRID_CU_MULTIP": 2, "BLOCK_M": 32, "BLOCK_N": 32, "PRE_LOAD_V": true})xyzw",
  R"xyzw({"PERSISTENT_TYPE": 0, "GRID_CU_MULTIP": 2, "BLOCK_M": 32, "BLOCK_N": 32, "PRE_LOAD_V": true})xyzw",
  R"xyzw({"PERSISTENT_TYPE": 0, "GRID_CU_MULTIP": 2, "BLOCK_M": 32, "BLOCK_N": 32, "PRE_LOAD_V": true})xyzw",
  R"xyzw({"PERSISTENT_TYPE": 0, "GRID_CU_MULTIP": 2, "BLOCK_M": 32, "BLOCK_N": 32, "PRE_LOAD_V": true})xyzw",
  R"xyzw({"PERSISTENT_TYPE": 0, "GRID_CU_MULTIP": 2, "BLOCK_M": 32, "BLOCK_N": 32, "PRE_LOAD_V": true})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": 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": 2, "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": 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": 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": 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": 2, "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": 2, "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;
    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 = 0, .GRID_CU_MULTIP = 2, .PRE_LOAD_V = true },
    { .BLOCK_M = 32, .BLOCK_N = 16, .PERSISTENT_TYPE = 0, .GRID_CU_MULTIP = 2, .PRE_LOAD_V = false },
    { .BLOCK_M = 32, .BLOCK_N = 16, .PERSISTENT_TYPE = 0, .GRID_CU_MULTIP = 2, .PRE_LOAD_V = false },
    { .BLOCK_M = 32, .BLOCK_N = 16, .PERSISTENT_TYPE = 0, .GRID_CU_MULTIP = 2, .PRE_LOAD_V = true },
    { .BLOCK_M = 32, .BLOCK_N = 16, .PERSISTENT_TYPE = 0, .GRID_CU_MULTIP = 2, .PRE_LOAD_V = true },
    { .BLOCK_M = 32, .BLOCK_N = 16, .PERSISTENT_TYPE = 0, .GRID_CU_MULTIP = 2, .PRE_LOAD_V = true },
    { .BLOCK_M = 32, .BLOCK_N = 16, .PERSISTENT_TYPE = 0, .GRID_CU_MULTIP = 2, .PRE_LOAD_V = true },
    { .BLOCK_M = 32, .BLOCK_N = 32, .PERSISTENT_TYPE = 0, .GRID_CU_MULTIP = 2, .PRE_LOAD_V = false },
    { .BLOCK_M = 32, .BLOCK_N = 32, .PERSISTENT_TYPE = 0, .GRID_CU_MULTIP = 2, .PRE_LOAD_V = false },
    { .BLOCK_M = 32, .BLOCK_N = 32, .PERSISTENT_TYPE = 0, .GRID_CU_MULTIP = 2, .PRE_LOAD_V = false },
    { .BLOCK_M = 32, .BLOCK_N = 32, .PERSISTENT_TYPE = 0, .GRID_CU_MULTIP = 2, .PRE_LOAD_V = false },
    { .BLOCK_M = 32, .BLOCK_N = 32, .PERSISTENT_TYPE = 0, .GRID_CU_MULTIP = 2, .PRE_LOAD_V = false },
    { .BLOCK_M = 32, .BLOCK_N = 32, .PERSISTENT_TYPE = 0, .GRID_CU_MULTIP = 2, .PRE_LOAD_V = false },
    { .BLOCK_M = 32, .BLOCK_N = 32, .PERSISTENT_TYPE = 0, .GRID_CU_MULTIP = 2, .PRE_LOAD_V = true },
    { .BLOCK_M = 32, .BLOCK_N = 32, .PERSISTENT_TYPE = 0, .GRID_CU_MULTIP = 2, .PRE_LOAD_V = true },
    { .BLOCK_M = 32, .BLOCK_N = 32, .PERSISTENT_TYPE = 0, .GRID_CU_MULTIP = 2, .PRE_LOAD_V = true },
    { .BLOCK_M = 32, .BLOCK_N = 32, .PERSISTENT_TYPE = 0, .GRID_CU_MULTIP = 2, .PRE_LOAD_V = true },
    { .BLOCK_M = 32, .BLOCK_N = 32, .PERSISTENT_TYPE = 0, .GRID_CU_MULTIP = 2, .PRE_LOAD_V = true },
    { .BLOCK_M = 32, .BLOCK_N = 32, .PERSISTENT_TYPE = 0, .GRID_CU_MULTIP = 2, .PRE_LOAD_V = true },
    { .BLOCK_M = 32, .BLOCK_N = 32, .PERSISTENT_TYPE = 0, .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-gfx11xx/flash/attn_fwd/FONLY__＊bf16@16_32_F_T_0_0___gfx11xx)xyzw" };
#else
{ R"xyzw(amd-gfx11xx/flash/attn_fwd/FONLY__＊bf16@16_32_F_T_0_0___gfx11xx)xyzw" };
#endif
constexpr std::string_view FUNC_NAME { R"xyzw(＊bf16@16_32_F_T_0_0)xyzw" };
constexpr std::string_view ARCH_NAME { R"xyzw(gfx1102)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[] = {
    { 0x44ce2ee0u, 0xb2e62060u, 456, 83 }, // 44ce2ee0b2e62060 = b2sum -l 64 <<< amd-gfx11xx/flash/attn_fwd/FONLY__＊bf16@16_32_F_T_0_0___gfx11xx__P__0_2_16_16_True__CO__wave1_warp2_stg1--Arch_gfx1102
    { 0x7730ab3du, 0xcba3f468u, 0, 83 }, // 7730ab3dcba3f468 = b2sum -l 64 <<< amd-gfx11xx/flash/attn_fwd/FONLY__＊bf16@16_32_F_T_0_0___gfx11xx__P__0_2_32_16_False__CO__wave1_warp2_stg1--Arch_gfx1102
    { 0xf8d32f6du, 0xdeebadfeu, 0, 33 }, // f8d32f6ddeebadfe = b2sum -l 64 <<< amd-gfx11xx/flash/attn_fwd/FONLY__＊bf16@16_32_F_T_0_0___gfx11xx__P__0_2_32_16_False__CO__wave3_warp2_stg1--Arch_gfx1102
    { 0xbe890b79u, 0x735030f1u, 366, 83 }, // be890b79735030f1 = b2sum -l 64 <<< amd-gfx11xx/flash/attn_fwd/FONLY__＊bf16@16_32_F_T_0_0___gfx11xx__P__0_2_32_16_True__CO__wave1_warp2_stg1--Arch_gfx1102
    { 0x3b86b156u, 0x0f209677u, 366, 16 }, // 3b86b1560f209677 = b2sum -l 64 <<< amd-gfx11xx/flash/attn_fwd/FONLY__＊bf16@16_32_F_T_0_0___gfx11xx__P__0_2_32_16_True__CO__wave2_warp2_stg1--Arch_gfx1102
    { 0x9f237750u, 0x408f7e96u, 366, 33 }, // 9f237750408f7e96 = b2sum -l 64 <<< amd-gfx11xx/flash/attn_fwd/FONLY__＊bf16@16_32_F_T_0_0___gfx11xx__P__0_2_32_16_True__CO__wave3_warp2_stg1--Arch_gfx1102
    { 0x3f637d20u, 0xe817ad7bu, 366, 50 }, // 3f637d20e817ad7b = b2sum -l 64 <<< amd-gfx11xx/flash/attn_fwd/FONLY__＊bf16@16_32_F_T_0_0___gfx11xx__P__0_2_32_16_True__CO__wave4_warp2_stg1--Arch_gfx1102
    { 0xe80514d9u, 0xaa4a7a56u, 318, 83 }, // e80514d9aa4a7a56 = b2sum -l 64 <<< amd-gfx11xx/flash/attn_fwd/FONLY__＊bf16@16_32_F_T_0_0___gfx11xx__P__0_2_32_32_False__CO__wave1_warp2_stg1--Arch_gfx1102
    { 0x7da74f15u, 0xa0c16601u, 318, 202 }, // 7da74f15a0c16601 = b2sum -l 64 <<< amd-gfx11xx/flash/attn_fwd/FONLY__＊bf16@16_32_F_T_0_0___gfx11xx__P__0_2_32_32_False__CO__wave1_warp4_stg1--Arch_gfx1102
    { 0x85283e7au, 0x6b45d2ceu, 318, 16 }, // 85283e7a6b45d2ce = b2sum -l 64 <<< amd-gfx11xx/flash/attn_fwd/FONLY__＊bf16@16_32_F_T_0_0___gfx11xx__P__0_2_32_32_False__CO__wave2_warp2_stg1--Arch_gfx1102
    { 0x6c217f06u, 0xd9aafb3fu, 318, 116 }, // 6c217f06d9aafb3f = b2sum -l 64 <<< amd-gfx11xx/flash/attn_fwd/FONLY__＊bf16@16_32_F_T_0_0___gfx11xx__P__0_2_32_32_False__CO__wave2_warp4_stg1--Arch_gfx1102
    { 0x9737e0ddu, 0xece8ba6fu, 318, 33 }, // 9737e0ddece8ba6f = b2sum -l 64 <<< amd-gfx11xx/flash/attn_fwd/FONLY__＊bf16@16_32_F_T_0_0___gfx11xx__P__0_2_32_32_False__CO__wave3_warp2_stg1--Arch_gfx1102
    { 0x4a4991feu, 0x57ead08bu, 318, 50 }, // 4a4991fe57ead08b = b2sum -l 64 <<< amd-gfx11xx/flash/attn_fwd/FONLY__＊bf16@16_32_F_T_0_0___gfx11xx__P__0_2_32_32_False__CO__wave4_warp2_stg1--Arch_gfx1102
    { 0x01952994u, 0xc41dd6aau, 381, 83 }, // 01952994c41dd6aa = b2sum -l 64 <<< amd-gfx11xx/flash/attn_fwd/FONLY__＊bf16@16_32_F_T_0_0___gfx11xx__P__0_2_32_32_True__CO__wave1_warp2_stg1--Arch_gfx1102
    { 0x60f8d333u, 0x72294fb8u, 381, 202 }, // 60f8d33372294fb8 = b2sum -l 64 <<< amd-gfx11xx/flash/attn_fwd/FONLY__＊bf16@16_32_F_T_0_0___gfx11xx__P__0_2_32_32_True__CO__wave1_warp4_stg1--Arch_gfx1102
    { 0x27ed2118u, 0x272c0696u, 381, 16 }, // 27ed2118272c0696 = b2sum -l 64 <<< amd-gfx11xx/flash/attn_fwd/FONLY__＊bf16@16_32_F_T_0_0___gfx11xx__P__0_2_32_32_True__CO__wave2_warp2_stg1--Arch_gfx1102
    { 0x1b8cd430u, 0xe1798afcu, 381, 33 }, // 1b8cd430e1798afc = b2sum -l 64 <<< amd-gfx11xx/flash/attn_fwd/FONLY__＊bf16@16_32_F_T_0_0___gfx11xx__P__0_2_32_32_True__CO__wave3_warp2_stg1--Arch_gfx1102
    { 0x56b611dfu, 0xf1fdf8a0u, 381, 167 }, // 56b611dff1fdf8a0 = b2sum -l 64 <<< amd-gfx11xx/flash/attn_fwd/FONLY__＊bf16@16_32_F_T_0_0___gfx11xx__P__0_2_32_32_True__CO__wave3_warp4_stg1--Arch_gfx1102
    { 0x784232c5u, 0x1de0cf4cu, 381, 50 }, // 784232c51de0cf4c = b2sum -l 64 <<< amd-gfx11xx/flash/attn_fwd/FONLY__＊bf16@16_32_F_T_0_0___gfx11xx__P__0_2_32_32_True__CO__wave4_warp2_stg1--Arch_gfx1102
    { 0x0d5946e4u, 0xad546284u, 381, 133 }, // 0d5946e4ad546284 = b2sum -l 64 <<< amd-gfx11xx/flash/attn_fwd/FONLY__＊bf16@16_32_F_T_0_0___gfx11xx__P__0_2_32_32_True__CO__wave4_warp4_stg1--Arch_gfx1102
};

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 gfx1102_mod0
{{ 5, 8,19,19,19,17,19,14,14,19},
 {19, 0,10, 7, 7,13,13,18,15,18},
 {19, 3, 4,12,11, 7,15,13,15,16},
 { 1, 2, 2, 6, 9, 7, 9,16,18,13},
 { 3, 4, 5, 5,11, 9,11,18,13,15},
 { 5, 4, 4, 5, 7, 9, 9, 7, 7,13},
 { 5, 5, 4, 6, 7, 7,11,12, 7,11},
 { 3, 6, 4, 4, 7, 7,18,11,11,11},
 { 5, 3, 3, 3, 7, 9, 7,12,12, 9},
 { 3, 3, 4, 5, 7, 7, 9,11, 9,11}}
// End of GPU gfx1102_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__A3__F212 "
              << "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.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 = 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.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 = "*bf16:16"
// 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 = 32
// Head_dim = 32
// PADDED_HEAD = False
// ENABLE_DROPOUT = True
// dropout_p = "fp32"
// philox_seed_ptr = "*u64"
// philox_offset1 = "*u64"
// philox_offset2 = "u64"
// RETURN_ENCODED_SOFTMAX = False
// encoded_softmax = 0
// CAUSAL_TYPE = 0
// Window_left = 0
// BIAS_TYPE = 0
// USE_ALIBI = False
// INT8 = False
// persistent_atomic_counter = 0
// Num_CU = "i32"

// SELECT * FROM FLASH$attn_fwd WHERE gpu IN ('gfx1100_mod0') AND inputs$Q_dtype = 'torch.bfloat16' AND inputs$BLOCK_DMODEL = 32 AND inputs$PADDED_HEAD = False AND inputs$ENABLE_DROPOUT = True AND inputs$CAUSAL_TYPE = 0 AND inputs$BIAS_TYPE = 0

// vim: set fileencoding=utf-8

