new gemm kernel

This commit is contained in:
Richard Yan
2024-11-08 20:55:27 -08:00
parent 367fa927f8
commit c114a7a4ab
3 changed files with 110 additions and 77 deletions

View File

@@ -12,7 +12,7 @@
// 128KB
// #define SMEM_SIZE 0x20000
// 256KB
#define SMEM_SIZE 0x40000
#define SMEM_SIZE 0x20000
#define SMEM_MASK (SMEM_SIZE - 1)
#define SMEM_ADDR_END (SMEM_BASE + SMEM_SIZE)
@@ -85,6 +85,51 @@ static size_t gemmini_tile_idx[NUM_THREADS * NUM_WARPS * NUM_CORES * NUM_CLUSTER
gemmini_loop_ws_spad(I, J, K, pad_I, pad_J, pad_K, A_sp_addr_start, (B_sp_addr_start) + (K) * (J) * DIM, NULL, \
C_dst_sp_addr_start, a_transpose, b_transpose, full_C, low_D, acc, act, 0, 0, false, skips)
#define GEMMINI_CISC_COMPUTE_HEXADECILES 0
#define GEMMINI_CISC_SET_AB_STRIDE 8
#define GEMMINI_CISC_STORE_TO_SPAD 9
#define GEMMINI_CISC_LOAD_TO_HEXADECILES 10
#define GEMMINI_CISC_SET_DC_STRIDE 11
#define GEMMINI_CISC_STORE_TO_GMEM 12
// cisc instruction wrappers
inline void gemmini_tile_load_ab(const elem_t * const a_addr, const elem_t * const b_addr,
const uint32_t a_hexadecile, const uint32_t b_hexadecile,
const uint32_t tile_idx_i, const uint32_t tile_idx_j, const uint32_t tile_idx_k,
const uint32_t mat_size_m, const uint32_t mat_size_n, const uint32_t mat_size_k,
const uint32_t tile_size_m, const uint32_t tile_size_n, const uint32_t tile_size_k) {
ROCC_INSTRUCTION_RS1_RS2(XCUSTOM_ACC,
(uint64_t) (a_addr + tile_idx_i * tile_size_m * mat_size_k + tile_idx_k * tile_size_k),
(uint64_t) (b_addr + tile_idx_k * tile_size_k * mat_size_n + tile_idx_j * tile_size_n), k_LOOP_WS_CONFIG_ADDRS_AB)
GEMMINI_CISC_CMD_R((mat_size_n << 20) | (mat_size_k << 8) | GEMMINI_CISC_SET_AB_STRIDE);
GEMMINI_CISC_CMD_R((b_hexadecile << 16) | (a_hexadecile << 8) | GEMMINI_CISC_LOAD_TO_HEXADECILES);
}
inline void gemmini_tile_compute(const uint32_t a_hexadecile, const uint32_t b_hexadecile, const bool accumulate) {
GEMMINI_CISC_CMD_R((accumulate << 24) | (b_hexadecile << 16) | (a_hexadecile << 8) | GEMMINI_CISC_COMPUTE_HEXADECILES);
}
inline void gemmini_tile_store_c_gmem(elem_t * const c_addr,
const uint32_t tile_idx_i, const uint32_t tile_idx_j,
const uint32_t mat_size_m, const uint32_t mat_size_n,
const uint32_t tile_size_m, const uint32_t tile_size_n) {
elem_t * const dram_c_tile_start = c_addr + tile_idx_i * tile_size_m * mat_size_n + tile_idx_j * tile_size_n;
ROCC_INSTRUCTION_RS1_RS2(XCUSTOM_ACC, 0, (uint64_t) dram_c_tile_start, k_LOOP_WS_CONFIG_ADDRS_DC)
GEMMINI_CISC_CMD_R((mat_size_n << 20) | GEMMINI_CISC_SET_DC_STRIDE);
GEMMINI_CISC_CMD_I(GEMMINI_CISC_STORE_TO_GMEM);
// ROCC_INSTRUCTION_RS1_RS2(XCUSTOM_ACC, 0, BOUND_INST, k_LOOP_WS_CONFIG_BOUNDS)
// ROCC_INSTRUCTION_RS1_RS2(XCUSTOM_ACC, 0, mat_size_n, k_LOOP_WS_CONFIG_STRIDES_DC)
// ROCC_INSTRUCTION_RS1_RS2(XCUSTOM_ACC, 0, loop_matmul_skips(1, 1, 1, 1, 0), k_LOOP_WS)
}
inline void gemmini_tile_store_c_spad(const uint32_t c_hexadecile) {
GEMMINI_CISC_CMD_R(((uint32_t) (c_hexadecile << 8)) | GEMMINI_CISC_STORE_TO_SPAD);
}
/* inline static void sp_tiled_matmul_full_spad_ws(const uint32_t A_sp_addr_start, const uint32_t B_sp_addr_start,
const uint32_t D_sp_addr_start, const uint32_t C_dst_sp_addr_start,
size_t I, size_t J, size_t K, size_t pad_I, size_t pad_J, size_t pad_K,

View File

@@ -5,6 +5,8 @@
#define KERNEL_ARG_DEV_MEM_ADDR 0x9fff0000
#define DEV_SMEM_START_ADDR 0xff000000
#define MARK_BEG() asm volatile ("slti x0, x1, -1047")
#define MARK_END() asm volatile ("slti x0, x1, -499")
typedef struct {
uint32_t dim_m;

View File

@@ -10,8 +10,11 @@
#define TILE_M 128
#define TILE_N 64
#define TILE_K 128
#define BOUND_INST 0x800040008ULL
#define NUM_THREADS_IN_CLUSTER 512
// ampere
// #define NUM_THREADS_IN_CLUSTER 512
// hopper
#define NUM_THREADS_IN_CLUSTER 256
// fp32 8x8
// #define TILE_M 64
@@ -25,7 +28,6 @@
// #define SPAD_ADDR_Q1 0x200
// #define SPAD_ADDR_Q2 0x400
// #define SPAD_ADDR_Q3 0x600
// #define BOUND_INST 0x800080008ULL
// #define NUM_THREADS_IN_CLUSTER 256
// fp32 4x4
@@ -40,7 +42,6 @@
// #define SPAD_ADDR_Q1 0x80
// #define SPAD_ADDR_Q2 0x100
// #define SPAD_ADDR_Q3 0x180
// #define BOUND_INST 0x400040004ULL
// #define NUM_THREADS_IN_CLUSTER 256
#define NUM_CLUSTERS 1
@@ -49,12 +50,10 @@
#define rd_cycles_force(x) asm volatile ("csrr %0, mcycle" : "=r" (x))
#define rd_cycles(x) rd_cycles_force(x)
#define HW_TID() ({uint32_t gtid; asm volatile ("csrr %0, mhartid" : "=r" (gtid)); gtid;})
#define MARK_BEG() asm volatile ("slti x0, x1, -1047")
#define MARK_END() asm volatile ("slti x0, x1, -499")
#define PRINTF(...) sprintf(PRINT_BUF, __VA_ARGS__)
// #define PRINTF(...) vx_printf(__VA_ARGS__)
#define SWISH(beta, x) ((x) / (1 + exp(-(beta) * (x))))
//#define POWER
// #define POWER
typedef uint16_t smem_elem_t;
// typedef float smem_elem_t;
@@ -81,22 +80,6 @@ void thread_block_matmul_gemmini(kernel_arg_t *__UNIFORM__ arg,
}
vx_fence();
// if (HW_TID() < 128) {
// *((volatile uint32_t *) 0xff000000 + HW_TID()) = HW_TID();
// for (int i = 0; i < 128; i++) {
// if (HW_TID() == i) {
// volatile uint32_t x = *((volatile uint32_t *) 0xff000000 + HW_TID());
// if (x != i) {
// PRINTF("%d ", x);
// }
// }
// }
// }
// threadblock_barrier(/*barrier_id=*/0, /*count=*/NUM_WARPS);
// if (HW_TID() == 0) {
// PRINTF("\n finished\n");
// }
// threadblock_barrier(/*barrier_id=*/0, /*count=*/NUM_WARPS);
uint32_t marker0, marker1;
rd_cycles_force(marker0);
@@ -115,83 +98,86 @@ void thread_block_matmul_gemmini(kernel_arg_t *__UNIFORM__ arg,
if (HW_TID() == 0) {
gemmini_extended3_config_ld(dim_k * sizeof(elem_t), MVIN_SCALE_IDENTITY, false, 0);
gemmini_extended3_config_ld(dim_n * sizeof(elem_t), MVIN_SCALE_IDENTITY, false, 1);
// gemmini_extended3_config_ld(repeating_bias ? 0 : (stride_D * sizeof_D), D_scale_factor, low_D, 2);
gemmini_extended_config_st(dim_n * sizeof(elem_t), 0, MVIN_SCALE_IDENTITY);
// gemmini_extended_config_st(stride_C * sizeof_C, act & 3, scale);
for (uint32_t tile_i = num_tile_rows_per_tb * threadblock_id;
tile_i < num_tile_rows_per_tb * (threadblock_id + 1);
tile_i += 1) {
for (int tile_j = 0; tile_j < num_tiles_n; tile_j += 1) {
for (int tile_k = 0; tile_k < num_tiles_k; tile_k += 1) {
ROCC_INSTRUCTION_RS1_RS2(XCUSTOM_ACC,
(uint64_t) (A + tile_i * TILE_M * dim_k + tile_k * TILE_K),
(uint64_t) (B + tile_k * TILE_K * dim_n + tile_j * TILE_N), k_LOOP_WS_CONFIG_ADDRS_AB)
GEMMINI_CISC_CMD_R((dim_n << 20) | (dim_k << 8) | 8);
if (tile_k & 1) {
GEMMINI_CISC_CMD_I(11);
} else {
GEMMINI_CISC_CMD_I(10);
}
if (tile_k == 0) {
asm volatile("cisc_start_%=:" ::);
gemmini_fence();
GEMMINI_CISC_CMD_I(0);
asm volatile("cisc_end_%=:" ::);
} else if (tile_k & 1) {
gemmini_fence();
GEMMINI_CISC_CMD_I(2);
} else {
gemmini_fence();
GEMMINI_CISC_CMD_I(1);
}
for (uint32_t tile_j = 0; tile_j < num_tiles_n; tile_j += 1) {
for (uint32_t tile_k = 0; tile_k < num_tiles_k; tile_k += 1) {
uint32_t a_hexadecile = (tile_k & 1) << 2;
uint32_t b_hexadecile = a_hexadecile + 8;
gemmini_tile_load_ab(A, B,
a_hexadecile, b_hexadecile, tile_i, tile_j, tile_k,
dim_m, dim_n, dim_k, TILE_M, TILE_N, TILE_K);
/* DO STUFF */
gemmini_fence();
gemmini_tile_compute(a_hexadecile, b_hexadecile, tile_k > 0);
}
/*
gemmini_fence();
gemmini_tile_store_c_spad(a_hexadecile); // then activate in spad
*/
gemmini_fence();
gemmini_fence();
gemmini_fence();
// mvout to scratchpad for activation
// GEMMINI_CISC_CMD_I(9);
// gemmini_fence();
// }
// threadblock_barrier(/*barrier_id=*/0, /*count=*/NUM_WARPS);
// // activate
// // move out to dram
// if (HW_TID() == 0) {
smem_elem_t * const dram_c_tile_start = C + tile_i * TILE_M * dim_n + tile_j * TILE_N;
ROCC_INSTRUCTION_RS1_RS2(XCUSTOM_ACC, 0, BOUND_INST, k_LOOP_WS_CONFIG_BOUNDS)
ROCC_INSTRUCTION_RS1_RS2(XCUSTOM_ACC, 0, (uint64_t) dram_c_tile_start, k_LOOP_WS_CONFIG_ADDRS_DC)
ROCC_INSTRUCTION_RS1_RS2(XCUSTOM_ACC, 0, dim_n, k_LOOP_WS_CONFIG_STRIDES_DC)
ROCC_INSTRUCTION_RS1_RS2(XCUSTOM_ACC, 0, loop_matmul_skips(1, 1, 1, 1, 0), k_LOOP_WS)
gemmini_tile_store_c_gmem(C, tile_i, tile_j, dim_m, dim_n, TILE_M, TILE_N);
}
}
}
// last thread block complete
if (threadblock_id == NUM_CLUSTERS - 1) {
threadblock_barrier(/*barrier_id=*/0, /*count=*/NUM_WARPS);
MARK_END();
rd_cycles_force(marker1);
if (HW_TID() == 0) {
#ifdef POWER
// PRINTF("%d\n", marker1 - marker0);
#else
#ifndef POWER
if (HW_TID() == 0) {
PRINTF("\ncomplete\n");
PRINTF("total cycles: %d\n", marker1 - marker0);
for (int i = 0; i < dim_m; i += 8) {
for (int j = 0; j < dim_n; j += 8) {
// PRINTF("%d %d ", (int) (C[i * dim_n + j]), (int) (C[i * dim_n + j + 4]));
PRINTF("%04x %04x ", (int) (C[i * dim_n + j]), (int) (C[i * dim_n + j + 4]));
}
PRINTF("\n");
}
#endif
}
#endif
} else {
if (HW_TID() > 8) {
asm volatile("li x1, 0xa0a0a0a0");
asm volatile("li x2, 0xa0a0a0a0");
asm volatile("li x3, 0xa0a0a0a0");
asm volatile("li x4, 0xa0a0a0a0");
asm volatile("li x5, 0xa0a0a0a0");
asm volatile("li x6, 0xa0a0a0a0");
asm volatile("li x7, 0xa0a0a0a0");
asm volatile("li x8, 0xa0a0a0a0");
asm volatile("li x9, 0xa0a0a0a0");
asm volatile("li x10, 0xa0a0a0a0");
asm volatile("li x11, 0xa0a0a0a0");
asm volatile("li x12, 0xa0a0a0a0");
asm volatile("li x13, 0xa0a0a0a0");
asm volatile("li x14, 0xa0a0a0a0");
asm volatile("li x15, 0xa0a0a0a0");
asm volatile("li x16, 0xa0a0a0a0");
asm volatile("li x17, 0xa0a0a0a0");
asm volatile("li x18, 0xa0a0a0a0");
asm volatile("li x19, 0xa0a0a0a0");
asm volatile("li x20, 0xa0a0a0a0");
asm volatile("li x21, 0xa0a0a0a0");
asm volatile("li x22, 0xa0a0a0a0");
asm volatile("li x23, 0xa0a0a0a0");
asm volatile("li x24, 0xa0a0a0a0");
asm volatile("li x25, 0xa0a0a0a0");
asm volatile("li x26, 0xa0a0a0a0");
asm volatile("li x27, 0xa0a0a0a0");
asm volatile("li x28, 0xa0a0a0a0");
asm volatile("li x29, 0xa0a0a0a0");
asm volatile("li x30, 0xa0a0a0a0");
asm volatile("li x31, 0xa0a0a0a0");
asm volatile("vx_tmc zero");
}
}
threadblock_barrier(/*barrier_id=*/0, /*count=*/NUM_WARPS);
vx_fence();
// threadblock_barrier(/*barrier_id=*/0, /*count=*/NUM_WARPS);
vx_tmc(0);
}