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allocator: fix partial offloading

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slaren 2023-07-22 01:46:49 +02:00
parent e87840f9fd
commit 7de7882537
3 changed files with 82 additions and 137 deletions
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187
ggml-backend.c
View File

@ -6,12 +6,13 @@
#include <string.h> #include <string.h>
#define UNUSED(x) (void)(x) #define UNUSED(x) (void)(x)
#define MAX(a, b) ((a) > (b) ? (a) : (b))
//#define GGML_ALLOCATOR_DEBUG
//#define AT_PRINTF printf //#define AT_PRINTF printf
#define AT_PRINTF(...) ((void)0) #define AT_PRINTF(...) ((void)0)
// allocator // allocator
static size_t aligned_offset(const void * buffer, size_t offset, size_t alignment) { static size_t aligned_offset(const void * buffer, size_t offset, size_t alignment) {
@ -33,6 +34,7 @@ void ggml_backend_buffer_free(struct ggml_backend_buffer * alloc) {
free(alloc); free(alloc);
} }
#if 0
// backend buffer allocator - simple - cannot free tensors, good for weights and small contexts // backend buffer allocator - simple - cannot free tensors, good for weights and small contexts
struct ggml_allocator_simple_context { struct ggml_allocator_simple_context {
@ -47,8 +49,6 @@ static void ggml_allocator_simple_free_buffer(struct ggml_backend_buffer * alloc
free(context); free(context);
} }
#define MAX(a, b) ((a) > (b) ? (a) : (b))
static void ggml_allocator_simple_alloc_tensor(struct ggml_backend_buffer * alloc, struct ggml_tensor * tensor) { static void ggml_allocator_simple_alloc_tensor(struct ggml_backend_buffer * alloc, struct ggml_tensor * tensor) {
struct ggml_allocator_simple_context * context = (struct ggml_allocator_simple_context *)alloc->context; struct ggml_allocator_simple_context * context = (struct ggml_allocator_simple_context *)alloc->context;
@ -120,7 +120,7 @@ static struct ggml_backend_buffer * ggml_allocator_simple_init(void * data, size
return allocator; return allocator;
} }
////////////////////////////////////////////////////////////// #endif
// backend buffer allocator - default - can free tensors // backend buffer allocator - default - can free tensors
@ -136,7 +136,7 @@ struct ggml_allocator_default_context {
size_t size; size_t size;
size_t alignment; size_t alignment;
int n_free_blocks; int n_free_blocks;
struct free_block free_blocks[1024]; struct free_block free_blocks[MAX_FREE_BLOCKS];
#ifdef GGML_ALLOCATOR_DEBUG #ifdef GGML_ALLOCATOR_DEBUG
struct ggml_tensor * allocated_tensors[1024]; struct ggml_tensor * allocated_tensors[1024];
@ -190,8 +190,6 @@ void ggml_allocator_default_alloc_tensor(struct ggml_backend_buffer * alloc, str
size_t max_avail = 0; size_t max_avail = 0;
//fprintf(stderr, "%s: allocating %s - %zu bytes\n", __func__, tensor->name, size);
// find the best fitting free block // find the best fitting free block
int best_fit_block = -1; int best_fit_block = -1;
size_t best_fit_size = SIZE_MAX; size_t best_fit_size = SIZE_MAX;
@ -230,13 +228,13 @@ void ggml_allocator_default_alloc_tensor(struct ggml_backend_buffer * alloc, str
add_allocated_tensor(allocator_ctx, tensor); add_allocated_tensor(allocator_ctx, tensor);
size_t cur_max = (char*)addr - (char*)allocator_ctx->data + size; size_t cur_max = (char*)addr - (char*)allocator_ctx->data + size;
if (cur_max > alloc->max_size) { if (cur_max > alloc->max_size) {
fprintf(stderr, "max_size = %.2f MB: tensors: ", cur_max / 1024.0 / 1024.0); printf("max_size = %.2f MB: tensors: ", cur_max / 1024.0 / 1024.0);
for (int i = 0; i < 1024; i++) { for (int i = 0; i < 1024; i++) {
if (allocator_ctx->allocated_tensors[i]) { if (allocator_ctx->allocated_tensors[i]) {
fprintf(stderr, "%s (%.2f MB) ", allocator_ctx->allocated_tensors[i]->name, ggml_nbytes(allocator_ctx->allocated_tensors[i]) / 1024.0 / 1024.0); printf("%s (%.2f MB) ", allocator_ctx->allocated_tensors[i]->name, ggml_nbytes(allocator_ctx->allocated_tensors[i]) / 1024.0 / 1024.0);
} }
} }
fprintf(stderr, "\n"); printf("\n");
} }
#endif #endif
@ -257,8 +255,9 @@ void ggml_allocator_default_free_tensor(struct ggml_backend_buffer * alloc, stru
void * ptr = tensor->data; void * ptr = tensor->data;
if (ptr < allocator_ctx->data || (char*)ptr >= (char*)allocator_ctx->data + alloc->max_size) { if (ptr < allocator_ctx->data || (char*)ptr >= (char*)allocator_ctx->data + alloc->max_size) {
//fprintf(stderr, "%s: %s - tensor not in this buffer (%p - %p - %zu)\n", __func__, tensor->name, ptr, allocator_ctx->data, allocator_ctx->size); // the tensor was not allocated in this buffer
//GGML_ASSERT(!"trying to free a tensor that was not allocated by this allocator"); // this can happen because the allocator can try to free weights and other constants
// the easiest way to deal with this is to just ignore it
return; return;
} }
@ -303,7 +302,7 @@ void ggml_allocator_default_free_tensor(struct ggml_backend_buffer * alloc, stru
} }
} }
// otherwise, add a new block // otherwise, add a new block
if (allocator_ctx->n_free_blocks < MAX_FREE_BLOCKS) { GGML_ASSERT(allocator_ctx->n_free_blocks < MAX_FREE_BLOCKS && "out of free blocks");
// insert the new block in the correct position to keep the array sorted // insert the new block in the correct position to keep the array sorted
int insert_pos = 0; int insert_pos = 0;
while (insert_pos < allocator_ctx->n_free_blocks && allocator_ctx->free_blocks[insert_pos].addr < ptr) { while (insert_pos < allocator_ctx->n_free_blocks && allocator_ctx->free_blocks[insert_pos].addr < ptr) {
@ -317,26 +316,28 @@ void ggml_allocator_default_free_tensor(struct ggml_backend_buffer * alloc, stru
allocator_ctx->free_blocks[insert_pos].addr = ptr; allocator_ctx->free_blocks[insert_pos].addr = ptr;
allocator_ctx->free_blocks[insert_pos].size = size; allocator_ctx->free_blocks[insert_pos].size = size;
allocator_ctx->n_free_blocks++; allocator_ctx->n_free_blocks++;
}
else {
GGML_ASSERT(!"out of free blocks");
}
} }
static void ggml_allocator_default_reset(struct ggml_backend_buffer * alloc) { static void ggml_allocator_default_reset(struct ggml_backend_buffer * alloc) {
struct ggml_allocator_default_context * ctx = (struct ggml_allocator_default_context *)alloc->context; struct ggml_allocator_default_context * ctx = (struct ggml_allocator_default_context *)alloc->context;
ctx->n_free_blocks = 1; // TODO ctx->n_free_blocks = 1;
size_t align_offset = aligned_offset(ctx->data, 0, ctx->alignment); size_t align_offset = aligned_offset(ctx->data, 0, ctx->alignment);
ctx->free_blocks[0].addr = (char *)ctx->data + align_offset; ctx->free_blocks[0].addr = (char *)ctx->data + align_offset;
ctx->free_blocks[0].size = ctx->size - align_offset; ctx->free_blocks[0].size = ctx->size - align_offset;
} }
size_t ggml_allocator_default_get_alloc_size(struct ggml_backend_buffer * alloc, struct ggml_tensor * tensor) {
return ggml_nbytes(tensor);
UNUSED(alloc);
}
static const struct ggml_backend_buffer_interface ggml_allocator_default_interface = { static const struct ggml_backend_buffer_interface ggml_allocator_default_interface = {
/* .free_buffer = */ ggml_allocator_default_free_buffer, /* .free_buffer = */ ggml_allocator_default_free_buffer,
/* .alloc_tensor = */ ggml_allocator_default_alloc_tensor, /* .alloc_tensor = */ ggml_allocator_default_alloc_tensor,
/* .free_tensor = */ ggml_allocator_default_free_tensor, /* .free_tensor = */ ggml_allocator_default_free_tensor,
/* .reset = */ ggml_allocator_default_reset, /* .reset = */ ggml_allocator_default_reset,
/* .get_alloc_size = */ ggml_allocator_simple_get_alloc_size, /* .get_alloc_size = */ ggml_allocator_default_get_alloc_size,
/* .init_tensor = */ NULL, /* .init_tensor = */ NULL,
/* .free_data = */ NULL, /* .free_data = */ NULL,
}; };
@ -349,7 +350,7 @@ struct ggml_backend_buffer * ggml_allocator_default_init(void * data, size_t siz
ctx->data = data; ctx->data = data;
ctx->size = size; ctx->size = size;
ctx->alignment = alignment; ctx->alignment = alignment;
ctx->n_free_blocks = 1; // TODO ctx->n_free_blocks = 1;
size_t align_offset = aligned_offset(data, 0, alignment); size_t align_offset = aligned_offset(data, 0, alignment);
ctx->free_blocks[0].addr = (char *)data + align_offset; ctx->free_blocks[0].addr = (char *)data + align_offset;
ctx->free_blocks[0].size = size - align_offset; ctx->free_blocks[0].size = size - align_offset;
@ -651,7 +652,7 @@ void ggml_graph_splits_add_n_va(struct ggml_graph_splits * splits, struct ggml_t
split->src_inputs[i] = *inputs[i]; split->src_inputs[i] = *inputs[i];
split->dst_inputs[i] = ggml_dup_tensor(ctx, *inputs[i]); split->dst_inputs[i] = ggml_dup_tensor(ctx, *inputs[i]);
ggml_format_name(split->dst_inputs[i], "%s (split output)", split->src_inputs[i]->name); ggml_format_name(split->dst_inputs[i], "%s (split output)", split->src_inputs[i]->name);
// TODO: maybe support different layings in ggml_backend_cpy_tensor instead // TODO: maybe support different layouts in ggml_backend_cpy_tensor instead
for (int j = 0; j < GGML_MAX_DIMS; j++) { for (int j = 0; j < GGML_MAX_DIMS; j++) {
split->dst_inputs[i]->nb[j] = split->src_inputs[i]->nb[j]; split->dst_inputs[i]->nb[j] = split->src_inputs[i]->nb[j];
} }
@ -771,10 +772,6 @@ void ggml_graph_splits_compute(struct ggml_graph_splits * splits) {
//exit(0); //exit(0);
} }
void ggml_graph_allocate_tensors(struct ggml_cgraph * graph, struct ggml_context * ctx) {
ggml_graph_allocate_tensors_n(&graph, 1, ctx);
}
static bool ggml_is_view(struct ggml_tensor * t) { static bool ggml_is_view(struct ggml_tensor * t) {
return t->op == GGML_OP_RESHAPE || t->op == GGML_OP_VIEW || t->op == GGML_OP_TRANSPOSE || return t->op == GGML_OP_RESHAPE || t->op == GGML_OP_VIEW || t->op == GGML_OP_TRANSPOSE ||
t->op == GGML_OP_PERMUTE || t->op == GGML_OP_CPY; t->op == GGML_OP_PERMUTE || t->op == GGML_OP_CPY;
@ -794,56 +791,7 @@ struct ggml_tensor * view_parent(struct ggml_tensor * t) {
} }
} }
#if 0 static void allocate_node(struct ggml_buffer * buffer, struct ggml_tensor * node) {
void ggml_graph_allocate_tensors_n(struct ggml_cgraph ** graphs, int n_graphs, struct ggml_context * ctx) {
struct ggml_buffer * buffer = ggml_get_buffer(ctx);
for (int i = 0; i < n_graphs; i++) {
struct ggml_cgraph * graph = graphs[i];
for (int j = 0; j < graph->n_leafs; j++) {
struct ggml_tensor * leaf = graph->leafs[j];
GGML_ASSERT(leaf->backend == buffer->backend_buffer->backend);
if (leaf->data == NULL) {
//printf("allocating leaf %s\n", leaf->name);
ggml_backend_buffer_tensor_alloc(buffer->backend_buffer, leaf);
}
}
for (int j = 0; j < graph->n_nodes; j++) {
struct ggml_tensor * node = graph->nodes[j];
GGML_ASSERT(node->backend == buffer->backend_buffer->backend);
if (node->data == NULL) {
if (ggml_is_view(node)) {
size_t offset;
memcpy(&offset, node->op_params, sizeof(size_t));
switch(node->op) {
case GGML_OP_VIEW:
//printf("view %s (%s), offset %zu\n", node->name, ggml_op_name(node->op), offset);
node->data = (char *) node->src[0]->data + offset;
break;
case GGML_OP_RESHAPE:
case GGML_OP_TRANSPOSE:
case GGML_OP_PERMUTE:
node->data = node->src[0]->data;
break;
case GGML_OP_CPY:
node->data = node->src[1]->data;
break;
default:
GGML_ASSERT(!"unknown view op");
break;
}
} else {
//printf("allocating tensor %s\n", node->name);
ggml_backend_buffer_tensor_alloc(buffer->backend_buffer, node);
}
}
}
}
//printf("\n\n\n");
}
#else
void allocate_node(struct ggml_buffer * buffer, struct ggml_tensor * node) {
if (node->data == NULL) { if (node->data == NULL) {
if (ggml_is_view(node)) { if (ggml_is_view(node)) {
size_t offset; size_t offset;
@ -865,7 +813,6 @@ void allocate_node(struct ggml_buffer * buffer, struct ggml_tensor * node) {
break; break;
} }
} else { } else {
//printf("allocating tensor %s\n", node->name);
// see if we can reuse a parent's buffer (inplace) // see if we can reuse a parent's buffer (inplace)
for (int i = 0; i < GGML_MAX_SRC; i++) { for (int i = 0; i < GGML_MAX_SRC; i++) {
struct ggml_tensor * parent = node->src[i]; struct ggml_tensor * parent = node->src[i];
@ -897,7 +844,11 @@ void allocate_node(struct ggml_buffer * buffer, struct ggml_tensor * node) {
} }
} }
void ggml_graph_allocate_tensors_n(struct ggml_cgraph ** graphs, int n_graphs, struct ggml_context * ctx) { static void ggml_graph_allocate_tensors_n(
struct ggml_cgraph ** graphs, int n_graphs,
struct ggml_tensor *** inputs, struct ggml_tensor *** outputs,
struct ggml_context * ctx) {
struct ggml_buffer * buffer = ggml_get_buffer(ctx); struct ggml_buffer * buffer = ggml_get_buffer(ctx);
// reset counters // reset counters
@ -922,6 +873,7 @@ void ggml_graph_allocate_tensors_n(struct ggml_cgraph ** graphs, int n_graphs, s
struct ggml_cgraph * gf = graphs[g]; struct ggml_cgraph * gf = graphs[g];
for (int i = 0; i < gf->n_nodes; i++) { for (int i = 0; i < gf->n_nodes; i++) {
struct ggml_tensor * node = gf->nodes[i]; struct ggml_tensor * node = gf->nodes[i];
if (ggml_is_view(node)) { if (ggml_is_view(node)) {
struct ggml_tensor * ancestor = node; struct ggml_tensor * ancestor = node;
do { do {
@ -929,19 +881,13 @@ void ggml_graph_allocate_tensors_n(struct ggml_cgraph ** graphs, int n_graphs, s
} while (ggml_is_view(ancestor)); } while (ggml_is_view(ancestor));
ancestor->n_views += 1; ancestor->n_views += 1;
} }
for (int j = 0; j < GGML_MAX_SRC; j++) { for (int j = 0; j < GGML_MAX_SRC; j++) {
struct ggml_tensor * parent = node->src[j]; struct ggml_tensor * parent = node->src[j];
if (parent == NULL) { if (parent == NULL) {
break; break;
} }
parent->n_children += 1; parent->n_children += 1;
if (ggml_is_view(parent)) {
struct ggml_tensor * ancestor = parent;
do {
ancestor = view_parent(ancestor);
} while (ggml_is_view(ancestor));
ancestor->n_views += 1;
}
} }
} }
} }
@ -949,9 +895,16 @@ void ggml_graph_allocate_tensors_n(struct ggml_cgraph ** graphs, int n_graphs, s
// allocate tensors // allocate tensors
for (int g = 0; g < n_graphs; g++) { for (int g = 0; g < n_graphs; g++) {
struct ggml_cgraph * gf = graphs[g]; struct ggml_cgraph * gf = graphs[g];
AT_PRINTF("####### graph %d/%d\n", g, n_graphs);
if (inputs != NULL && inputs[g] != NULL) {
for (int i = 0; inputs[g][i] != NULL; i++) {
struct ggml_tensor * input = inputs[g][i];
AT_PRINTF("input: %s\n", input->name);
allocate_node(buffer, input);
}
}
for (int i = 0; i < gf->n_nodes; i++) { for (int i = 0; i < gf->n_nodes; i++) {
struct ggml_tensor * node = gf->nodes[i]; struct ggml_tensor * node = gf->nodes[i];
bool is_view = ggml_is_view(node);
// allocate parents (leafs) // allocate parents (leafs)
for (int j = 0; j < GGML_MAX_SRC; j++) { for (int j = 0; j < GGML_MAX_SRC; j++) {
@ -959,19 +912,7 @@ void ggml_graph_allocate_tensors_n(struct ggml_cgraph ** graphs, int n_graphs, s
if (parent == NULL) { if (parent == NULL) {
break; break;
} }
if (parent->freed) { GGML_ASSERT(!parent->freed && "tensor used after free");
printf("!!!!!! tensor %s used after free\n", parent->name);
}
if (ggml_is_view(parent)) {
struct ggml_tensor * ancestor = parent;
do {
ancestor = view_parent(ancestor);
} while (ggml_is_view(ancestor));
if (ancestor->freed) {
printf("!!!!!! tensor %s used after free (as view %s)\n", ancestor->name, parent->name);
}
allocate_node(buffer, ancestor);
}
allocate_node(buffer, parent); allocate_node(buffer, parent);
} }
@ -998,6 +939,9 @@ void ggml_graph_allocate_tensors_n(struct ggml_cgraph ** graphs, int n_graphs, s
break; break;
} }
parent->n_children -= 1; parent->n_children -= 1;
//AT_PRINTF("parent %s: %d children, %d views\n", parent->name, parent->n_children, parent->n_views);
if (parent->n_children == 0 && parent->n_views == 0) { if (parent->n_children == 0 && parent->n_views == 0) {
if (ggml_is_view(parent)) { if (ggml_is_view(parent)) {
struct ggml_tensor * ancestor = parent; struct ggml_tensor * ancestor = parent;
@ -1005,34 +949,36 @@ void ggml_graph_allocate_tensors_n(struct ggml_cgraph ** graphs, int n_graphs, s
ancestor = view_parent(ancestor); ancestor = view_parent(ancestor);
} while (ggml_is_view(ancestor)); } while (ggml_is_view(ancestor));
ancestor->n_views -= 1; ancestor->n_views -= 1;
AT_PRINTF("ancestor %s: %d children, %d views\n", ancestor->name, ancestor->n_children, ancestor->n_views);
if (ancestor->n_views == 0 && ancestor->n_children == 0 && ancestor->data != node->data) { if (ancestor->n_views == 0 && ancestor->n_children == 0 && ancestor->data != node->data) {
//AT_PRINTF("free1\n");
ggml_backend_buffer_tensor_free(buffer->backend_buffer, ancestor); ggml_backend_buffer_tensor_free(buffer->backend_buffer, ancestor);
} }
} }
else { else {
if (parent->data != node->data) { if (parent->data != node->data) {
//AT_PRINTF("free2\n");
ggml_backend_buffer_tensor_free(buffer->backend_buffer, parent); ggml_backend_buffer_tensor_free(buffer->backend_buffer, parent);
} }
} }
} }
} }
if (is_view) {
struct ggml_tensor * ancestor = node;
do {
ancestor = view_parent(ancestor);
} while (ggml_is_view(ancestor));
ancestor->n_views -= 1;
if (ancestor->n_views == 0 && ancestor->n_children == 0) {
ggml_backend_buffer_tensor_free(buffer->backend_buffer, ancestor);
}
}
AT_PRINTF("\n"); AT_PRINTF("\n");
} }
if (outputs != NULL && outputs[g] != NULL) {
for (int i = 0; outputs[g][i] != NULL; i++) {
struct ggml_tensor * output = outputs[g][i];
AT_PRINTF("output: %s\n", output->name);
ggml_backend_buffer_tensor_free(buffer->backend_buffer, output);
}
}
} }
} }
#endif
void ggml_graph_allocate_tensors(struct ggml_cgraph * graph, struct ggml_context * ctx) {
ggml_graph_allocate_tensors_n(&graph, 1, NULL, NULL, ctx);
}
void ggml_graph_splits_allocate_tensors(struct ggml_graph_splits * splits) { void ggml_graph_splits_allocate_tensors(struct ggml_graph_splits * splits) {
bool visited[GGML_MAX_SPLITS] = {false}; bool visited[GGML_MAX_SPLITS] = {false};
@ -1041,20 +987,21 @@ void ggml_graph_splits_allocate_tensors(struct ggml_graph_splits * splits) {
struct ggml_graph_split * split = &splits->splits[i]; struct ggml_graph_split * split = &splits->splits[i];
struct ggml_context * ctx = split->ctx; struct ggml_context * ctx = split->ctx;
struct ggml_cgraph * backend_graphs[GGML_MAX_SPLITS]; struct ggml_cgraph * backend_graphs[GGML_MAX_SPLITS];
int num_graphs = 0; struct ggml_tensor ** graph_inputs[GGML_MAX_SPLITS];
struct ggml_tensor ** graph_outputs[GGML_MAX_SPLITS];
int n_graphs = 0;
for (int j = i; j < splits->n_splits; j++) { for (int j = i; j < splits->n_splits; j++) {
if (splits->splits[j].ctx == ctx) { if (splits->splits[j].ctx == ctx) {
backend_graphs[num_graphs] = splits->splits[j].graph; graph_inputs[n_graphs] = splits->splits[j].dst_inputs;
graph_outputs[n_graphs] = j < splits->n_splits - 1 ? splits->splits[j + 1].src_inputs : NULL;
backend_graphs[n_graphs] = splits->splits[j].graph;
visited[j] = true; visited[j] = true;
num_graphs++; n_graphs++;
// TODO: need to ensure that the output tensors are never freed
// maybe this can be done automatically in ggml_graph_allocate_tensors_n by assuming that n_childs == 0 => output tensor
} }
} }
//printf("allocating tensors for %s [%d graphs/%d splits]\n", ggml_backend_name(ggml_get_buffer(ctx)->backend_buffer->backend), num_graphs, splits->n_splits); AT_PRINTF("allocating tensors for %s [%d graphs/%d splits]\n", ggml_backend_name(ggml_get_buffer(ctx)->backend_buffer->backend), n_graphs, splits->n_splits);
ggml_graph_allocate_tensors_n(backend_graphs, num_graphs, ctx); ggml_graph_allocate_tensors_n(backend_graphs, n_graphs, graph_inputs, graph_outputs, ctx);
} }
} }
//printf("done allocating tensors\n");
} }

1
ggml-backend.h
View File

@ -155,7 +155,6 @@ extern "C" {
// graph tensor allocator // graph tensor allocator
GGML_API void ggml_graph_allocate_tensors(struct ggml_cgraph * graph, struct ggml_context * ctx); GGML_API void ggml_graph_allocate_tensors(struct ggml_cgraph * graph, struct ggml_context * ctx);
GGML_API void ggml_graph_allocate_tensors_n(struct ggml_cgraph ** graphs, int n_graphs, struct ggml_context * ctx);
GGML_API void ggml_graph_splits_allocate_tensors(struct ggml_graph_splits * splits); GGML_API void ggml_graph_splits_allocate_tensors(struct ggml_graph_splits * splits);
#ifdef __cplusplus #ifdef __cplusplus

9
llama.cpp
View File

@ -1390,10 +1390,10 @@ static ggml_graph_splits llama_build_graph(
ggml_set_name(cur, "ffn_norm"); ggml_set_name(cur, "ffn_norm");
} }
struct ggml_tensor * tmp = ggml_mul_mat(ctx_l, struct ggml_tensor * rw3 = ggml_mul_mat(ctx_l,
model.layers[il].w3, model.layers[il].w3,
cur); cur);
ggml_set_name(tmp, "result_w3"); ggml_set_name(rw3, "result_w3");
cur = ggml_mul_mat(ctx_l, cur = ggml_mul_mat(ctx_l,
model.layers[il].w1, model.layers[il].w1,
@ -1404,7 +1404,7 @@ static ggml_graph_splits llama_build_graph(
cur = ggml_silu(ctx_l, cur); cur = ggml_silu(ctx_l, cur);
ggml_set_name(cur, "silu"); ggml_set_name(cur, "silu");
cur = ggml_mul(ctx_l, cur, tmp); cur = ggml_mul(ctx_l, cur, rw3);
ggml_set_name(cur, "silu_x_result_w3"); ggml_set_name(cur, "silu_x_result_w3");
cur = ggml_mul_mat(ctx_l, cur = ggml_mul_mat(ctx_l,
@ -1534,8 +1534,7 @@ static bool llama_eval_internal(
// for big prompts, if BLAS is enabled, it is better to use only one thread // for big prompts, if BLAS is enabled, it is better to use only one thread
// otherwise, the threads are spin-lock waiting for the BLAS calls and are degrading the performance // otherwise, the threads are spin-lock waiting for the BLAS calls and are degrading the performance
n_threads = N >= 32 && ggml_cpu_has_blas() ? 1 : n_threads; n_threads = N >= 32 && ggml_cpu_has_blas() ? 1 : n_threads;
// TODO: fix this - probably should be set during the model creation ggml_backend_cpu_set_n_threads(const_cast<ggml_backend*>(model.backend_cpu), n_threads);
// ggml_backend_cpu_set_n_threads(const_cast<ggml_backend*>(model.backend_cpu), n_threads);
struct ggml_graph_splits splits = llama_build_graph(lctx, N, n_past, embd_input); struct ggml_graph_splits splits = llama_build_graph(lctx, N, n_past, embd_input);