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enginex-mthreads-llama.cpp/ggml/src/ggml-hexagon/htp/unary-ops.c
2026-01-16 11:34:48 +08:00

279 lines
10 KiB
C

#pragma clang diagnostic ignored "-Wunused-variable"
#pragma clang diagnostic ignored "-Wunused-function"
#pragma clang diagnostic ignored "-Wunused-but-set-variable"
#include <HAP_farf.h>
#include <HAP_perf.h>
#include <math.h>
#include <string.h>
#include "hex-dma.h"
#include "hvx-utils.h"
#define GGML_COMMON_DECL_C
#include "ggml-common.h"
#include "htp-ctx.h"
#include "htp-msg.h"
#include "htp-ops.h"
#define htp_unary_preamble \
const uint32_t ne00 = src->ne[0]; \
const uint32_t ne01 = src->ne[1]; \
const uint32_t ne02 = src->ne[2]; \
const uint32_t ne03 = src->ne[3]; \
\
const uint32_t ne0 = dst->ne[0]; \
const uint32_t ne1 = dst->ne[1]; \
const uint32_t ne2 = dst->ne[2]; \
const uint32_t ne3 = dst->ne[3]; \
\
const uint32_t nb00 = src->nb[0]; \
const uint32_t nb01 = src->nb[1]; \
const uint32_t nb02 = src->nb[2]; \
const uint32_t nb03 = src->nb[3]; \
\
const uint32_t nb0 = dst->nb[0]; \
const uint32_t nb1 = dst->nb[1]; \
const uint32_t nb2 = dst->nb[2]; \
const uint32_t nb3 = dst->nb[3];
static void hvx_fast_rms_norm_f32(const uint8_t * restrict src,
uint8_t * restrict dst,
uint8_t * restrict pad,
const int num_elems,
float epsilon) {
const HVX_Vector * restrict v_src = (HVX_Vector *) src;
HVX_Vector * restrict v_dst = (HVX_Vector *) dst;
HVX_Vector sum_v = Q6_V_vsplat_R(0x00000000);
HVX_Vector epsilon_v = hvx_vec_splat_f32(epsilon);
int step_of_1 = num_elems >> 5;
#pragma unroll(4)
for (int i = 0; i < step_of_1; i++) {
HVX_Vector v1 = v_src[i];
HVX_Vector v2 = Q6_Vqf32_vmpy_VsfVsf(v1, v1);
sum_v = Q6_Vqf32_vadd_Vqf32Vqf32(sum_v, v2);
}
HVX_Vector reduced_sum = hvx_vec_reduce_sum_qf32(sum_v);
sum_v = hvx_vec_repl4(Q6_Vsf_equals_Vqf32(reduced_sum));
HVX_Vector t_v = hvx_vec_splat_f32((float) num_elems);
HVX_Vector denom_v = hvx_vec_inverse_f32(t_v);
HVX_Vector mean_v = Q6_Vqf32_vmpy_VsfVsf(sum_v, denom_v);
HVX_Vector mean_epsilon_v = Q6_Vqf32_vadd_Vqf32Vsf(mean_v, epsilon_v);
HVX_Vector scale_v = hvx_vec_rsqrt_f32(Q6_Vsf_equals_Vqf32(mean_epsilon_v));
#pragma unroll(4)
for (int i = 0; i < step_of_1; i++) {
HVX_Vector v1 = v_src[i];
HVX_Vector v2 = Q6_Vqf32_vmpy_VsfVsf(v1, scale_v);
v_dst[i] = Q6_Vsf_equals_Vqf32(v2);
}
}
static void scale_htp_f32(const float * restrict src,
float * restrict dst,
uint8_t * restrict spad,
const uint32_t num_rows,
const uint32_t row_elems,
const size_t row_size,
int32_t * op_params,
int opt_path) {
float scale = 0.f;
float bias = 0.f;
memcpy(&scale, &op_params[0], sizeof(float));
memcpy(&bias, &op_params[1], sizeof(float));
for (uint32_t ir = 0; ir < num_rows; ir++) {
const float * restrict src_local = src + (ir * row_elems);
float * restrict dst_local = dst + (ir * row_elems);
if (ir + 1 < num_rows) {
hex_l2fetch(src_local + row_elems, row_size, row_size, 1);
}
hvx_scale_offset_f32((uint8_t *) dst_local, (const uint8_t *) src_local, row_elems, scale, bias);
}
}
static void rms_norm_htp_f32(const float * restrict src,
float * restrict dst,
uint8_t * restrict spad,
const uint32_t num_rows,
const uint32_t row_elems,
const size_t row_size,
int32_t * op_params,
int opt_path) {
float epsilon = 0.f;
memcpy(&epsilon, op_params, sizeof(float));
for (uint32_t ir = 0; ir < num_rows; ir++) {
const float * restrict src_local = src + (ir * row_elems);
float * restrict dst_local = dst + (ir * row_elems);
if (ir + 1 < num_rows) {
hex_l2fetch(src_local + row_elems, row_size, row_size, 1);
}
if (1 == opt_path) {
hvx_fast_rms_norm_f32((const uint8_t *) src_local, (uint8_t *) dst_local, spad, row_elems, epsilon);
} else {
float sum = hvx_sum_of_squares_f32((const uint8_t *) src_local, row_elems);
const float mean = sum / row_elems;
const float scale = 1.0f / sqrtf(mean + epsilon);
hvx_scale_f32((uint8_t *) dst_local, (const uint8_t *) src_local, row_elems, scale);
}
}
}
static void unary_job_f32_per_thread(const struct htp_tensor * src,
struct htp_tensor * dst,
uint8_t * spad,
int htp_op,
int32_t * op_params,
uint32_t nth,
uint32_t ith,
uint32_t src0_nrows_per_thread) {
htp_unary_preamble;
const size_t src0_row_size = nb01;
const size_t dst_row_size = nb1;
const uint32_t src0_nrows = ne01 * ne02 * ne03; // src0 rows
const uint32_t src0_start_row = src0_nrows_per_thread * ith;
const uint32_t src0_end_row = MIN(src0_start_row + src0_nrows_per_thread, src0_nrows);
// no work for this thread
if (src0_start_row >= src0_end_row) {
return;
}
uint64_t t1, t2;
t1 = HAP_perf_get_qtimer_count();
int is_aligned = 1;
int opt_path = 0;
if ((0 == hex_is_aligned((void *) src->data, VLEN)) || (0 == hex_is_aligned((void *) dst->data, VLEN))) {
is_aligned = 0;
}
if ((1 == is_aligned) && !(nb01 & (VLEN - 1))) {
opt_path = 1;
}
const uint8_t * restrict data_src = (const uint8_t *) src->data;
uint8_t * restrict data_dst = (uint8_t *) dst->data;
const float * restrict src_th = (float *) (data_src + (src0_start_row * src0_row_size));
float * restrict dst_th = (float *) (data_dst + (src0_start_row * dst_row_size));
uint8_t * restrict spad_th = (uint8_t *) spad + (ith * nb01);
switch (htp_op) {
case HTP_OP_RMS_NORM:
rms_norm_htp_f32(src_th, dst_th, spad_th, src0_end_row - src0_start_row, ne0, nb1, op_params, opt_path);
break;
case HTP_OP_SCALE:
scale_htp_f32(src_th, dst_th, spad_th, src0_end_row - src0_start_row, ne0, nb1, op_params, opt_path);
break;
default:
break;
}
t2 = HAP_perf_get_qtimer_count();
FARF(HIGH, "unary-f32 %d/%d/%d: %ux%ux%ux%u (%u:%u) -> %ux%ux%ux%u usec %u\n", ith, nth, opt_path, src->ne[0],
src->ne[1], src->ne[2], src->ne[3], src0_start_row, src0_end_row, dst->ne[0], dst->ne[1], dst->ne[2],
dst->ne[3], (unsigned) HAP_perf_qtimer_count_to_us(t2 - t1));
}
static void unary_job_dispatcher_f32(unsigned int n, unsigned int i, void * data) {
struct htp_ops_context * octx = (struct htp_ops_context *) data;
unary_job_f32_per_thread(&octx->src0, &octx->dst, octx->src0_spad.data, octx->op, octx->op_params, n, i,
octx->src0_nrows_per_thread);
}
static int execute_op_unary_f32(struct htp_ops_context * octx) {
int err = HTP_STATUS_OK;
const struct htp_tensor * src0 = &octx->src0;
struct htp_tensor * dst = &octx->dst;
worker_callback_t unary_op_func;
const char * op_type = NULL;
switch (octx->op) {
case HTP_OP_RMS_NORM:
unary_op_func = unary_job_dispatcher_f32;
op_type = "rmsnorm-f32";
break;
case HTP_OP_SCALE:
unary_op_func = unary_job_dispatcher_f32;
op_type = "scale-f32";
break;
default:
FARF(ERROR, "Unsupported unary Op %u\n", octx->op);
return HTP_STATUS_NO_SUPPORT;
}
const int n_threads = octx->n_threads;
const uint32_t src0_nrows = src0->ne[1] * src0->ne[2] * src0->ne[3];
const size_t src0_row_size = src0->nb[1];
const size_t dst_row_size = dst->nb[1];
// VTCM scratchpads for all tensors
octx->dst_spad.size = hex_round_up(dst_row_size, 128) * n_threads;
octx->src0_spad.size = hex_round_up(src0_row_size, 128) * n_threads;
size_t spad_size = octx->src0_spad.size + octx->dst_spad.size;
FARF(HIGH, "%s: (%ux%ux%ux%u) -> (%ux%ux%ux%u) : src0-spad-size %u src1-spad-size %u dst-spad-size %u\n", op_type,
src0->ne[0], src0->ne[1], src0->ne[2], src0->ne[3], dst->ne[0], dst->ne[1], dst->ne[2], dst->ne[3],
octx->src0_spad.size, octx->src1_spad.size, octx->dst_spad.size);
// Make sure the reserved vtcm size is sufficient
if (octx->ctx->vtcm_size < spad_size) {
FARF(ERROR, "unary-%s : current VTCM reservation %zu is too small, needed %zu\n", op_type, octx->ctx->vtcm_size,
spad_size);
return HTP_STATUS_VTCM_TOO_SMALL;
}
octx->src0_spad.data = octx->ctx->vtcm_base;
octx->dst_spad.data = octx->src0_spad.data + octx->src0_spad.size;
if (!(octx->flags & HTP_OPFLAGS_SKIP_COMPUTE)) {
uint32_t n_jobs = MIN(n_threads, src0_nrows);
octx->src0_nrows_per_thread = (src0_nrows + n_jobs - 1) / n_jobs;
worker_pool_run_func(octx->ctx->worker_pool, unary_op_func, octx, n_jobs);
}
return err;
}
int op_unary(struct htp_ops_context * octx) {
int err = HTP_STATUS_OK;
switch (octx->src0.type) {
case HTP_TYPE_F32:
err = execute_op_unary_f32(octx);
break;
default:
err = HTP_STATUS_NO_SUPPORT;
break;
}
return err;
}