// 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__A2__F52

#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": false})xyzw",
  R"xyzw({"PERSISTENT_TYPE": 0, "GRID_CU_MULTIP": 2, "BLOCK_M": 16, "BLOCK_N": 16, "PRE_LOAD_V": false})xyzw",
  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": 16, "BLOCK_N": 16, "PRE_LOAD_V": true})xyzw",
  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": 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": 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": 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": 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": 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": 2, "num_warps": 2, "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": 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": 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": 4, "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": 2, "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 = false },
    { .BLOCK_M = 16, .BLOCK_N = 16, .PERSISTENT_TYPE = 0, .GRID_CU_MULTIP = 2, .PRE_LOAD_V = false },
    { .BLOCK_M = 16, .BLOCK_N = 16, .PERSISTENT_TYPE = 0, .GRID_CU_MULTIP = 2, .PRE_LOAD_V = true },
    { .BLOCK_M = 16, .BLOCK_N = 16, .PERSISTENT_TYPE = 0, .GRID_CU_MULTIP = 2, .PRE_LOAD_V = true },
    { .BLOCK_M = 16, .BLOCK_N = 16, .PERSISTENT_TYPE = 0, .GRID_CU_MULTIP = 2, .PRE_LOAD_V = true },
    { .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 = 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 = 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__＊fp16@16_64_F_T_0_0___gfx11xx)xyzw" };
#else
{ R"xyzw(amd-gfx11xx/flash/attn_fwd/FONLY__＊fp16@16_64_F_T_0_0___gfx11xx)xyzw" };
#endif
constexpr std::string_view FUNC_NAME { R"xyzw(＊fp16@16_64_F_T_0_0)xyzw" };
constexpr std::string_view ARCH_NAME { R"xyzw(gfx1101)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[] = {
    { 0xb3b79c9eu, 0xb082e13bu, 302, 33 }, // b3b79c9eb082e13b = b2sum -l 64 <<< amd-gfx11xx/flash/attn_fwd/FONLY__＊fp16@16_64_F_T_0_0___gfx11xx__P__0_2_16_16_False__CO__wave3_warp2_stg1--Arch_gfx1101
    { 0x8155ce0eu, 0x2f3d0796u, 302, 50 }, // 8155ce0e2f3d0796 = b2sum -l 64 <<< amd-gfx11xx/flash/attn_fwd/FONLY__＊fp16@16_64_F_T_0_0___gfx11xx__P__0_2_16_16_False__CO__wave4_warp2_stg1--Arch_gfx1101
    { 0x46648505u, 0xe762a7fau, 456, 83 }, // 46648505e762a7fa = b2sum -l 64 <<< amd-gfx11xx/flash/attn_fwd/FONLY__＊fp16@16_64_F_T_0_0___gfx11xx__P__0_2_16_16_True__CO__wave1_warp2_stg1--Arch_gfx1101
    { 0x966fa69au, 0xb0855f9eu, 456, 16 }, // 966fa69ab0855f9e = b2sum -l 64 <<< amd-gfx11xx/flash/attn_fwd/FONLY__＊fp16@16_64_F_T_0_0___gfx11xx__P__0_2_16_16_True__CO__wave2_warp2_stg1--Arch_gfx1101
    { 0x8b341b57u, 0xff9d5222u, 456, 33 }, // 8b341b57ff9d5222 = b2sum -l 64 <<< amd-gfx11xx/flash/attn_fwd/FONLY__＊fp16@16_64_F_T_0_0___gfx11xx__P__0_2_16_16_True__CO__wave3_warp2_stg1--Arch_gfx1101
    { 0x491b931bu, 0x5371cb3bu, 456, 50 }, // 491b931b5371cb3b = b2sum -l 64 <<< amd-gfx11xx/flash/attn_fwd/FONLY__＊fp16@16_64_F_T_0_0___gfx11xx__P__0_2_16_16_True__CO__wave4_warp2_stg1--Arch_gfx1101
    { 0x4ff9ca1fu, 0xc47721fcu, 0, 83 }, // 4ff9ca1fc47721fc = b2sum -l 64 <<< amd-gfx11xx/flash/attn_fwd/FONLY__＊fp16@16_64_F_T_0_0___gfx11xx__P__0_2_32_16_False__CO__wave1_warp2_stg1--Arch_gfx1101
    { 0x9517e7e4u, 0xae9f2689u, 0, 16 }, // 9517e7e4ae9f2689 = b2sum -l 64 <<< amd-gfx11xx/flash/attn_fwd/FONLY__＊fp16@16_64_F_T_0_0___gfx11xx__P__0_2_32_16_False__CO__wave2_warp2_stg1--Arch_gfx1101
    { 0x2c1cf70eu, 0xcc6cbd1bu, 0, 133 }, // 2c1cf70ecc6cbd1b = b2sum -l 64 <<< amd-gfx11xx/flash/attn_fwd/FONLY__＊fp16@16_64_F_T_0_0___gfx11xx__P__0_2_32_16_False__CO__wave4_warp4_stg1--Arch_gfx1101
    { 0xd7403e56u, 0x6ab98334u, 366, 83 }, // d7403e566ab98334 = b2sum -l 64 <<< amd-gfx11xx/flash/attn_fwd/FONLY__＊fp16@16_64_F_T_0_0___gfx11xx__P__0_2_32_16_True__CO__wave1_warp2_stg1--Arch_gfx1101
    { 0x25d0a36eu, 0x172e0d4fu, 366, 16 }, // 25d0a36e172e0d4f = b2sum -l 64 <<< amd-gfx11xx/flash/attn_fwd/FONLY__＊fp16@16_64_F_T_0_0___gfx11xx__P__0_2_32_16_True__CO__wave2_warp2_stg1--Arch_gfx1101
    { 0xd61c774fu, 0x4faf8ec8u, 366, 33 }, // d61c774f4faf8ec8 = b2sum -l 64 <<< amd-gfx11xx/flash/attn_fwd/FONLY__＊fp16@16_64_F_T_0_0___gfx11xx__P__0_2_32_16_True__CO__wave3_warp2_stg1--Arch_gfx1101
    { 0x4b567627u, 0xec0325aeu, 366, 50 }, // 4b567627ec0325ae = b2sum -l 64 <<< amd-gfx11xx/flash/attn_fwd/FONLY__＊fp16@16_64_F_T_0_0___gfx11xx__P__0_2_32_16_True__CO__wave4_warp2_stg1--Arch_gfx1101
    { 0x1286b56fu, 0xf4962014u, 318, 83 }, // 1286b56ff4962014 = b2sum -l 64 <<< amd-gfx11xx/flash/attn_fwd/FONLY__＊fp16@16_64_F_T_0_0___gfx11xx__P__0_2_32_32_False__CO__wave1_warp2_stg1--Arch_gfx1101
    { 0x70b78591u, 0x5f129e37u, 318, 16 }, // 70b785915f129e37 = b2sum -l 64 <<< amd-gfx11xx/flash/attn_fwd/FONLY__＊fp16@16_64_F_T_0_0___gfx11xx__P__0_2_32_32_False__CO__wave2_warp2_stg1--Arch_gfx1101
    { 0x239ab8edu, 0xbeb099c1u, 318, 33 }, // 239ab8edbeb099c1 = b2sum -l 64 <<< amd-gfx11xx/flash/attn_fwd/FONLY__＊fp16@16_64_F_T_0_0___gfx11xx__P__0_2_32_32_False__CO__wave3_warp2_stg1--Arch_gfx1101
    { 0x67cbcbedu, 0x0283a957u, 318, 167 }, // 67cbcbed0283a957 = b2sum -l 64 <<< amd-gfx11xx/flash/attn_fwd/FONLY__＊fp16@16_64_F_T_0_0___gfx11xx__P__0_2_32_32_False__CO__wave3_warp4_stg1--Arch_gfx1101
    { 0x9130bfa6u, 0x852fece4u, 318, 133 }, // 9130bfa6852fece4 = b2sum -l 64 <<< amd-gfx11xx/flash/attn_fwd/FONLY__＊fp16@16_64_F_T_0_0___gfx11xx__P__0_2_32_32_False__CO__wave4_warp4_stg1--Arch_gfx1101
    { 0x112eb00fu, 0xfbe71087u, 381, 83 }, // 112eb00ffbe71087 = b2sum -l 64 <<< amd-gfx11xx/flash/attn_fwd/FONLY__＊fp16@16_64_F_T_0_0___gfx11xx__P__0_2_32_32_True__CO__wave1_warp2_stg1--Arch_gfx1101
    { 0xf8f21e1fu, 0x7ec9189fu, 381, 202 }, // f8f21e1f7ec9189f = b2sum -l 64 <<< amd-gfx11xx/flash/attn_fwd/FONLY__＊fp16@16_64_F_T_0_0___gfx11xx__P__0_2_32_32_True__CO__wave1_warp4_stg1--Arch_gfx1101
    { 0xc262037bu, 0xe9110563u, 381, 16 }, // c262037be9110563 = b2sum -l 64 <<< amd-gfx11xx/flash/attn_fwd/FONLY__＊fp16@16_64_F_T_0_0___gfx11xx__P__0_2_32_32_True__CO__wave2_warp2_stg1--Arch_gfx1101
    { 0x66de5509u, 0x1ae85981u, 381, 116 }, // 66de55091ae85981 = b2sum -l 64 <<< amd-gfx11xx/flash/attn_fwd/FONLY__＊fp16@16_64_F_T_0_0___gfx11xx__P__0_2_32_32_True__CO__wave2_warp4_stg1--Arch_gfx1101
    { 0xdf66953du, 0x216ccaffu, 381, 33 }, // df66953d216ccaff = b2sum -l 64 <<< amd-gfx11xx/flash/attn_fwd/FONLY__＊fp16@16_64_F_T_0_0___gfx11xx__P__0_2_32_32_True__CO__wave3_warp2_stg1--Arch_gfx1101
    { 0x27b65c06u, 0x0c633c56u, 381, 167 }, // 27b65c060c633c56 = b2sum -l 64 <<< amd-gfx11xx/flash/attn_fwd/FONLY__＊fp16@16_64_F_T_0_0___gfx11xx__P__0_2_32_32_True__CO__wave3_warp4_stg1--Arch_gfx1101
    { 0x1e3e3b7fu, 0x8867c694u, 381, 50 }, // 1e3e3b7f8867c694 = b2sum -l 64 <<< amd-gfx11xx/flash/attn_fwd/FONLY__＊fp16@16_64_F_T_0_0___gfx11xx__P__0_2_32_32_True__CO__wave4_warp2_stg1--Arch_gfx1101
};

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 gfx1101_mod0
{{ 8,16,21,21,23, 4, 4, 3, 3, 2},
 {17, 0, 1, 4, 4, 5,15,14,14,14},
 { 7,12,11,10,11, 9,15,22,13,20},
 {19, 7, 6, 9,12,11,13,15,15,15},
 { 9,12,10,12,11,11,13,18,18,22},
 { 9,10, 6,10,12,10,24,13,18,14},
 { 7, 7,11,11,11, 9,18,20,18,18},
 {11, 7,10,11,12,10,18,22,22,22},
 {10,11, 9, 9,12, 9,22,13,14,13},
 {11,10, 9, 9,10,11,18,13,20,13}}
// End of GPU gfx1101_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__A2__F52 "
              << "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 = "*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 = 64
// Head_dim = 64
// 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.float16' AND inputs$BLOCK_DMODEL = 64 AND inputs$PADDED_HEAD = False AND inputs$ENABLE_DROPOUT = True AND inputs$CAUSAL_TYPE = 0 AND inputs$BIAS_TYPE = 0

// vim: set fileencoding=utf-8

