mirror of
https://github.com/ggerganov/whisper.cpp.git
synced 2024-11-07 08:34:37 +01:00
ggml : add AMX backend (llama/8998)
This commit is contained in:
Ma Mingfei
Georgi Gerganov
parent
ab36d02560
commit
b5b4b0f5de
25
ggml/include/ggml-amx.h
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25
ggml/include/ggml-amx.h
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@ -0,0 +1,25 @@
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#pragma once
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#include "ggml.h"
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#include "ggml-backend.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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// buffer_type API
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GGML_API ggml_backend_buffer_type_t ggml_backend_amx_buffer_type(void);
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GGML_API bool ggml_backend_is_amx(ggml_backend_t backend);
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// backend API
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GGML_API ggml_backend_t ggml_backend_amx_init(void);
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GGML_API void ggml_backend_amx_set_n_threads(ggml_backend_t backend_amx, int n_threads);
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GGML_API ggml_backend_reg_t ggml_backend_amx_reg(void);
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#ifdef __cplusplus
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}
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#endif
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453
ggml/src/ggml-amx.cpp
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453
ggml/src/ggml-amx.cpp
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#include "ggml-amx.h"
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#include "ggml-amx/common.h"
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#include "ggml-amx/mmq.h"
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#include "ggml-backend-impl.h"
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#include "ggml-impl.h"
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#if defined(__gnu_linux__)
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#include <sys/syscall.h>
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#include <unistd.h>
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#endif
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#include <cstdlib>
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#include <cstring>
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#include <memory>
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#if defined(__AMX_INT8__)
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// AMX buffer interface
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static const char * ggml_backend_amx_buffer_get_name(ggml_backend_buffer_t buffer) {
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return "AMX";
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GGML_UNUSED(buffer);
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}
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static void ggml_backend_amx_buffer_free_buffer(ggml_backend_buffer_t buffer) {
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free(buffer->context);
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}
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static void * ggml_backend_amx_buffer_get_base(ggml_backend_buffer_t buffer) {
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return (void *)(buffer->context);
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}
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static void ggml_backend_amx_buffer_memset_tensor(ggml_backend_buffer_t buffer, struct ggml_tensor * tensor, uint8_t value, size_t offset, size_t size) {
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memset((char *)tensor->data + offset, value, size);
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GGML_UNUSED(buffer);
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}
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static void ggml_backend_amx_buffer_set_tensor(ggml_backend_buffer_t buffer, struct ggml_tensor * tensor, const void * data, size_t offset, size_t size) {
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if (qtype_has_amx_kernels(tensor->type)) {
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ggml_backend_amx_convert_weight(tensor, data, offset, size);
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} else {
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memcpy((char *)tensor->data + offset, data, size);
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}
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GGML_UNUSED(buffer);
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}
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static void ggml_backend_amx_buffer_get_tensor(ggml_backend_buffer_t buffer, const struct ggml_tensor * tensor, void * data, size_t offset, size_t size) {
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GGML_ASSERT(!qtype_has_amx_kernels(tensor->type));
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memcpy(data, (const char *)tensor->data + offset, size);
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GGML_UNUSED(buffer);
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}
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static bool ggml_backend_amx_buffer_cpy_tensor(ggml_backend_buffer_t buffer, const struct ggml_tensor * src, struct ggml_tensor * dst) {
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if (ggml_backend_buffer_is_host(src->buffer)) {
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if (qtype_has_amx_kernels(src->type)) {
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ggml_backend_amx_convert_weight(dst, src->data, 0, ggml_backend_amx_get_alloc_size(dst));
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} else {
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memcpy(dst->data, src->data, ggml_nbytes(src));
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}
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return true;
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}
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return false;
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GGML_UNUSED(buffer);
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}
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static void ggml_backend_amx_buffer_clear(ggml_backend_buffer_t buffer, uint8_t value) {
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memset(buffer->context, value, buffer->size);
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}
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static ggml_backend_buffer_i ggml_backend_amx_buffer_interface = {
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/* .get_name = */ ggml_backend_amx_buffer_get_name,
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/* .free_buffer = */ ggml_backend_amx_buffer_free_buffer,
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/* .get_base = */ ggml_backend_amx_buffer_get_base,
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/* .init_tensor = */ NULL, // no initialization required
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/* .memset_tensor = */ ggml_backend_amx_buffer_memset_tensor,
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/* .set_tensor = */ ggml_backend_amx_buffer_set_tensor,
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/* .get_tensor = */ ggml_backend_amx_buffer_get_tensor,
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/* .cpy_tensor = */ ggml_backend_amx_buffer_cpy_tensor,
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/* .clear = */ ggml_backend_amx_buffer_clear,
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/* .reset = */ NULL,
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};
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static const char * ggml_backend_amx_buffer_type_get_name(ggml_backend_buffer_type_t buft) {
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return "AMX";
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GGML_UNUSED(buft);
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}
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static ggml_backend_buffer_t ggml_backend_amx_buffer_type_alloc_buffer(ggml_backend_buffer_type_t buft, size_t size) {
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void * data = aligned_alloc(TENSOR_ALIGNMENT, size);
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if (data == NULL) {
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fprintf(stderr, "%s: failed to allocate buffer of size %zu\n", __func__, size);
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return NULL;
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}
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return ggml_backend_buffer_init(buft, ggml_backend_amx_buffer_interface, data, size);
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}
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static size_t ggml_backend_amx_buffer_type_get_alignment(ggml_backend_buffer_type_t buft) {
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return TENSOR_ALIGNMENT;
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GGML_UNUSED(buft);
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}
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static size_t ggml_backend_amx_buffer_type_get_alloc_size(ggml_backend_buffer_type_t buft, const ggml_tensor* tensor) {
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return ggml_backend_amx_get_alloc_size(tensor);
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GGML_UNUSED(buft);
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}
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static bool ggml_backend_amx_buffer_type_is_host(ggml_backend_buffer_type_t buft) {
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return false;
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GGML_UNUSED(buft);
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}
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ggml_backend_buffer_type_t ggml_backend_amx_buffer_type() {
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static struct ggml_backend_buffer_type ggml_backend_buffer_type_amx = {
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/* .iface = */ {
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/* .get_name = */ ggml_backend_amx_buffer_type_get_name,
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/* .alloc_buffer = */ ggml_backend_amx_buffer_type_alloc_buffer,
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/* .get_alignment = */ ggml_backend_amx_buffer_type_get_alignment,
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/* .get_max_size = */ NULL, // defaults to SIZE_MAX
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/* .get_alloc_size = */ ggml_backend_amx_buffer_type_get_alloc_size,
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/* .is_host = */ ggml_backend_amx_buffer_type_is_host,
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},
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/* .device = */ NULL,
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/* .context = */ NULL,
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};
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return &ggml_backend_buffer_type_amx;
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}
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// backend interface
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static const char * ggml_backend_amx_name(ggml_backend_t backend) {
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return "AMX";
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GGML_UNUSED(backend);
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}
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static void ggml_backend_amx_free(ggml_backend_t backend) {
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ggml_backend_amx_context * ctx = (ggml_backend_amx_context *)backend->context;
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delete ctx;
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delete backend;
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}
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static ggml_backend_buffer_type_t ggml_backend_amx_get_default_buffer_type(ggml_backend_t backend) {
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return ggml_backend_amx_buffer_type();
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GGML_UNUSED(backend);
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}
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static enum ggml_status ggml_backend_amx_graph_compute(ggml_backend_t backend, struct ggml_cgraph * cgraph) {
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ggml_backend_amx_context * ctx = (ggml_backend_amx_context *)backend->context;
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for (int i = 0; i < cgraph->n_nodes; i++) {
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struct ggml_tensor * node = cgraph->nodes[i];
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switch (node->op) {
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case GGML_OP_MUL_MAT:
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ggml_backend_amx_mul_mat(ctx, node);
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break;
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case GGML_OP_NONE:
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case GGML_OP_RESHAPE:
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case GGML_OP_VIEW:
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case GGML_OP_PERMUTE:
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case GGML_OP_TRANSPOSE:
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break;
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default:
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fprintf(stderr, "%s: unsupported op %s\n", __func__, ggml_op_desc(node));
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GGML_ASSERT(false);
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}
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}
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return GGML_STATUS_SUCCESS;
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GGML_UNUSED(backend);
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}
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static struct ggml_backend_i ggml_backend_amx_i = {
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/* .get_name = */ ggml_backend_amx_name,
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/* .free = */ ggml_backend_amx_free,
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/* .get_default_buffer_type = */ ggml_backend_amx_get_default_buffer_type,
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/* .set_tensor_async = */ NULL,
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/* .get_tensor_async = */ NULL,
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/* .cpy_tensor_async = */ NULL,
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/* .synchronize = */ NULL,
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/* .graph_plan_create = */ NULL,
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/* .graph_plan_free = */ NULL,
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/* .graph_plan_update = */ NULL,
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/* .graph_plan_compute = */ NULL,
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/* .graph_compute = */ ggml_backend_amx_graph_compute,
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/* .supports_op = */ NULL,
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/* .supports_buft = */ NULL,
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/* .offload_op = */ NULL,
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/* .event_record = */ NULL,
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/* .event_wait = */ NULL,
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};
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static ggml_guid_t ggml_backend_amx_guid() {
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static ggml_guid guid = { 0x13, 0xb8, 0xa4, 0xc4, 0xba, 0xfe, 0x51, 0x67, 0x87, 0x44, 0x55, 0x15, 0xb2, 0x35, 0x62, 0x3e };
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return &guid;
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}
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#define ARCH_GET_XCOMP_PERM 0x1022
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#define ARCH_REQ_XCOMP_PERM 0x1023
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#define XFEATURE_XTILECFG 17
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#define XFEATURE_XTILEDATA 18
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static bool ggml_amx_init() {
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#if defined(__gnu_linux__)
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if (syscall(SYS_arch_prctl, ARCH_REQ_XCOMP_PERM, XFEATURE_XTILEDATA)) {
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fprintf(stderr, "AMX is not ready to be used!\n");
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return false;
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}
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return true;
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#elif defined(_WIN32)
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return true;
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#endif
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}
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ggml_backend_t ggml_backend_amx_init() {
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// invoke a Linux system call to request access to AMX features
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ggml_amx_init();
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// backend context
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ggml_backend_amx_context * ctx = new ggml_backend_amx_context;
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// ggml amx backend
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ggml_backend_t backend = new ggml_backend {
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/* .guid = */ ggml_backend_amx_guid(),
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/* .interface = */ ggml_backend_amx_i,
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/* .device = */ ggml_backend_reg_dev_get(ggml_backend_amx_reg(), 0),
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/* .context = */ ctx,
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};
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return backend;
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}
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bool ggml_backend_is_amx(ggml_backend_t backend) {
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return backend != NULL && ggml_guid_matches(backend->guid, ggml_backend_amx_guid());
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}
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void ggml_backend_amx_set_n_threads(ggml_backend_t backend_amx, int n_threads) {
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GGML_ASSERT(ggml_backend_is_amx(backend_amx));
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ggml_backend_amx_context * ctx = (ggml_backend_amx_context *)backend_amx->context;
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ctx->n_threads = n_threads;
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}
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// device interface
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static const char * ggml_backend_amx_device_get_name(ggml_backend_dev_t dev) {
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return "AMX";
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GGML_UNUSED(dev);
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}
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static const char * ggml_backend_amx_device_get_description(ggml_backend_dev_t dev) {
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return "Intel Advanced Matrix Extensions";
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GGML_UNUSED(dev);
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}
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static void ggml_backend_amx_device_get_memory(ggml_backend_dev_t dev, size_t * free, size_t * total) {
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// TODO
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*free = 0;
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*total = 0;
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GGML_UNUSED(dev);
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}
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static enum ggml_backend_dev_type ggml_backend_amx_device_get_type(ggml_backend_dev_t dev) {
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return GGML_BACKEND_DEVICE_TYPE_CPU;
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GGML_UNUSED(dev);
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}
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static void ggml_backend_amx_device_get_props(ggml_backend_dev_t dev, struct ggml_backend_dev_props * props) {
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props->name = ggml_backend_amx_device_get_name(dev);
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props->description = ggml_backend_amx_device_get_description(dev);
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props->type = ggml_backend_amx_device_get_type(dev);
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ggml_backend_amx_device_get_memory(dev, &props->memory_free, &props->memory_total);
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// `buffer_from_host_ptr` is intended to be used in mmap, when memory layout unchanged
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props->caps = {
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/* .async = */ false,
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/* .host_buffer = */ false,
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/* .buffer_from_host_ptr = */ false,
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/* .events = */ false,
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};
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}
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static ggml_backend_t ggml_backend_amx_device_init(ggml_backend_dev_t dev, const char * params) {
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return ggml_backend_amx_init();
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GGML_UNUSED(dev);
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GGML_UNUSED(params);
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}
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static ggml_backend_buffer_type_t ggml_backend_amx_device_get_buffer_type(ggml_backend_dev_t dev) {
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return ggml_backend_amx_buffer_type();
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GGML_UNUSED(dev);
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}
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static bool ggml_backend_amx_device_supports_op(ggml_backend_dev_t dev, const struct ggml_tensor * op) {
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// handle only 2d gemm for now
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auto is_contiguous_2d = [](const struct ggml_tensor * t) {
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return ggml_is_contiguous(t) && t->ne[3] == 1 && t->ne[2] == 1;
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};
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switch (op->op) {
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case GGML_OP_NONE:
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case GGML_OP_RESHAPE:
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case GGML_OP_VIEW:
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case GGML_OP_PERMUTE:
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case GGML_OP_TRANSPOSE:
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return true;
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case GGML_OP_MUL_MAT: {
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const struct ggml_tensor * src0 = op->src[0];
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const struct ggml_tensor * src1 = op->src[1];
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const enum ggml_type type = src0->type;
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const int64_t ne0 = op->ne[0];
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bool is_training = src0->grad || src1->grad;
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// amx kernels enables for Q4_0, Q4_1, Q8_0, F16
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// Q4_K, Q5_K, Q6_K, IQ4_XS enabled for QK_K = 256
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bool has_amx_kernels = qtype_has_amx_kernels(type) || (type == GGML_TYPE_F16);
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bool can_use_amx =
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is_contiguous_2d(src0) && // src0 must be contiguous
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is_contiguous_2d(src1) && // src1 must be contiguous
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!is_training && // inference only
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src1->type == GGML_TYPE_F32 && // src1 must be float32
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has_amx_kernels && // with amx kernel impls
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ne0 % (TILE_N * 2) == 0; // out_features is 32x
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return can_use_amx;
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}
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default:
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return false;
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}
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GGML_UNUSED(dev);
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}
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static bool ggml_backend_amx_device_supports_buft(ggml_backend_dev_t dev, ggml_backend_buffer_type_t buft) {
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return buft->iface.get_name == ggml_backend_amx_buffer_type_get_name;
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GGML_UNUSED(dev);
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}
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static const struct ggml_backend_device_i ggml_backend_amx_device_i = {
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/* .get_name = */ ggml_backend_amx_device_get_name,
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/* .get_description = */ ggml_backend_amx_device_get_description,
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/* .get_memory = */ ggml_backend_amx_device_get_memory,
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/* .get_type = */ ggml_backend_amx_device_get_type,
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/* .get_props = */ ggml_backend_amx_device_get_props,
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/* .init_backend = */ ggml_backend_amx_device_init,
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/* .get_buffer_type = */ ggml_backend_amx_device_get_buffer_type,
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/* .get_host_buffer_type = */ NULL,
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/* .buffer_from_host_ptr = */ NULL,
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/* .supports_op = */ ggml_backend_amx_device_supports_op,
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/* .supports_buft = */ ggml_backend_amx_device_supports_buft,
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/* .offload_op = */ NULL,
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/* .event_new = */ NULL,
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/* .event_free = */ NULL,
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/* .event_synchronize = */ NULL,
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};
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// backend reg interface
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static const char * ggml_backend_amx_reg_get_name(ggml_backend_reg_t reg) {
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return "AMX";
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GGML_UNUSED(reg);
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}
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static size_t ggml_backend_amx_reg_get_device_count(ggml_backend_reg_t reg) {
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return 1;
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||||
|
||||
GGML_UNUSED(reg);
|
||||
}
|
||||
|
||||
static ggml_backend_dev_t ggml_backend_amx_reg_get_device(ggml_backend_reg_t reg, size_t index) {
|
||||
GGML_ASSERT(index == 0);
|
||||
|
||||
static ggml_backend_device ggml_backend_amx_device = {
|
||||
/* .iface = */ ggml_backend_amx_device_i,
|
||||
/* .reg = */ reg,
|
||||
/* .context = */ nullptr,
|
||||
};
|
||||
|
||||
return &ggml_backend_amx_device;
|
||||
|
||||
GGML_UNUSED(reg);
|
||||
GGML_UNUSED(index);
|
||||
}
|
||||
|
||||
static void * ggml_backend_amx_get_proc_address(ggml_backend_reg_t reg, const char * name) {
|
||||
if (std::strcmp(name, "ggml_backend_set_n_threads") == 0) {
|
||||
return (void *)ggml_backend_amx_set_n_threads;
|
||||
}
|
||||
return NULL;
|
||||
|
||||
GGML_UNUSED(reg);
|
||||
GGML_UNUSED(name);
|
||||
}
|
||||
|
||||
static const struct ggml_backend_reg_i ggml_backend_amx_reg_i = {
|
||||
/* .get_name = */ ggml_backend_amx_reg_get_name,
|
||||
/* .get_device_count = */ ggml_backend_amx_reg_get_device_count,
|
||||
/* .get_device = */ ggml_backend_amx_reg_get_device,
|
||||
/* .get_proc_address = */ ggml_backend_amx_get_proc_address,
|
||||
};
|
||||
|
||||
ggml_backend_reg_t ggml_backend_amx_reg(void) {
|
||||
static struct ggml_backend_reg ggml_backend_amx_reg = {
|
||||
/* .iface = */ ggml_backend_amx_reg_i,
|
||||
/* .context = */ NULL,
|
||||
};
|
||||
|
||||
return &ggml_backend_amx_reg;
|
||||
}
|
||||
|
||||
#else // if defined(__AMX_INT8__)
|
||||
|
||||
ggml_backend_t ggml_backend_amx_init(void) {
|
||||
fprintf(stderr, "GGML is not compiled with AMX support!\n");
|
||||
return ggml_backend_t{};
|
||||
}
|
||||
|
||||
void ggml_backend_amx_set_n_threads(ggml_backend_t backend_amx, int n_threads) {
|
||||
fprintf(stderr, "GGML is not compiled with AMX support!\n");
|
||||
|
||||
GGML_UNUSED(backend_amx);
|
||||
GGML_UNUSED(n_threads);
|
||||
}
|
||||
|
||||
#endif
|
||||
93
ggml/src/ggml-amx/common.h
Normal file
93
ggml/src/ggml-amx/common.h
Normal file
@ -0,0 +1,93 @@
|
||||
#pragma once
|
||||
|
||||
#include "ggml.h"
|
||||
#include "ggml-cpu-impl.h" // <immintrin.h>
|
||||
|
||||
#include <algorithm>
|
||||
#include <memory>
|
||||
#include <type_traits>
|
||||
|
||||
#if defined(_OPENMP)
|
||||
#include <omp.h>
|
||||
#endif
|
||||
|
||||
#define TILE_M 16
|
||||
#define TILE_N 16
|
||||
#define TILE_K 32
|
||||
#define VNNI_BLK 4
|
||||
|
||||
#define AMX_BLK_SIZE 32
|
||||
|
||||
#define TMM0 0
|
||||
#define TMM1 1
|
||||
#define TMM2 2
|
||||
#define TMM3 3
|
||||
#define TMM4 4
|
||||
#define TMM5 5
|
||||
#define TMM6 6
|
||||
#define TMM7 7
|
||||
|
||||
// parallel routines
|
||||
template <typename T, typename std::enable_if<std::is_integral<T>::value, int>::type = 0>
|
||||
inline T div_up(T x, T y) { return (x + y - 1) / y; }
|
||||
|
||||
template <typename T>
|
||||
inline void balance211(T n, T nth, T ith, T& n_start, T& n_end) {
|
||||
#if 0
|
||||
// onednn partition pattern
|
||||
T& n_my = n_end;
|
||||
if (nth <= 1 || n == 0) {
|
||||
n_start = 0;
|
||||
n_my = n;
|
||||
} else {
|
||||
T n1 = div_up(n, nth);
|
||||
T n2 = n1 - 1;
|
||||
T T1 = n - n2 * nth;
|
||||
n_my = ith < T1 ? n1 : n2;
|
||||
n_start = ith <= T1 ? ith*n1 : T1 * n1 + (ith - T1) * n2;
|
||||
}
|
||||
n_end += n_start;
|
||||
#else
|
||||
// pytorch aten partition pattern
|
||||
T n_my = div_up(n, nth);
|
||||
n_start = ith * n_my;
|
||||
n_end = std::min(n_start + n_my, n);
|
||||
#endif
|
||||
}
|
||||
|
||||
template <typename func_t>
|
||||
inline void parallel_for(int nth, int n, const func_t& f) {
|
||||
#if defined(_OPENMP)
|
||||
#pragma omp parallel num_threads(nth)
|
||||
{
|
||||
//int nth = omp_get_num_threads();
|
||||
int ith = omp_get_thread_num();
|
||||
int tbegin, tend;
|
||||
balance211(n, nth, ith, tbegin, tend);
|
||||
f(tbegin, tend);
|
||||
}
|
||||
#else
|
||||
f(0, n);
|
||||
|
||||
GGML_UNUSED(nth);
|
||||
#endif
|
||||
}
|
||||
|
||||
// quantized types that have AMX support
|
||||
inline bool qtype_has_amx_kernels(const enum ggml_type type) {
|
||||
// TODO: fix padding for vnni format
|
||||
return (type == GGML_TYPE_Q4_0) ||
|
||||
(type == GGML_TYPE_Q4_1);
|
||||
//(type == GGML_TYPE_Q8_0) ||
|
||||
//(type == GGML_TYPE_Q4_K) ||
|
||||
//(type == GGML_TYPE_Q5_K) ||
|
||||
//(type == GGML_TYPE_Q6_K) ||
|
||||
//(type == GGML_TYPE_IQ4_XS);
|
||||
}
|
||||
|
||||
// ggml backend context
|
||||
struct ggml_backend_amx_context {
|
||||
int n_threads = GGML_DEFAULT_N_THREADS;
|
||||
std::unique_ptr<char[]> work_data;
|
||||
size_t work_size = 0;
|
||||
};
|
||||
2509
ggml/src/ggml-amx/mmq.cpp
Normal file
2509
ggml/src/ggml-amx/mmq.cpp
Normal file
File diff suppressed because it is too large
Load Diff
17
ggml/src/ggml-amx/mmq.h
Normal file
17
ggml/src/ggml-amx/mmq.h
Normal file
@ -0,0 +1,17 @@
|
||||
#pragma once
|
||||
#include "common.h"
|
||||
#include <stdint.h>
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
size_t ggml_backend_amx_get_alloc_size(const struct ggml_tensor * tensor);
|
||||
|
||||
void ggml_backend_amx_convert_weight(struct ggml_tensor * tensor, const void * data, size_t offset, size_t size);
|
||||
|
||||
void ggml_backend_amx_mul_mat(ggml_backend_amx_context * ctx, struct ggml_tensor * dst);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
Loading…
Reference in New Issue
Block a user