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ggml : add abort_callback for cpu backend (ggml/725)

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* a way to use abort_callback with the cpu backend

* whisper update
This commit is contained in:
Michael Podvitskiy 2024-02-09 10:42:27 +01:00 committed by Georgi Gerganov
parent aa8a75e287
commit f75e1197f1
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GPG Key ID: 449E073F9DC10735
6 changed files with 38 additions and 19 deletions
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26
ggml-backend.c
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@ -653,6 +653,9 @@ struct ggml_backend_cpu_context {
int n_threads;
void * work_data;
size_t work_size;
ggml_abort_callback abort_callback;
void * abort_callback_data;
};
GGML_CALL static const char * ggml_backend_cpu_name(ggml_backend_t backend) {
@ -691,6 +694,9 @@ GGML_CALL static ggml_backend_graph_plan_t ggml_backend_cpu_graph_plan_create(gg
cpu_plan->cplan.work_data = malloc(cpu_plan->cplan.work_size);
}
cpu_plan->cplan.abort_callback = cpu_ctx->abort_callback;
cpu_plan->cplan.abort_callback_data = cpu_ctx->abort_callback_data;
return cpu_plan;
}
@ -721,9 +727,11 @@ GGML_CALL static bool ggml_backend_cpu_graph_compute(ggml_backend_t backend, str
cpu_ctx->work_data = realloc(cpu_ctx->work_data, cplan.work_size);
cpu_ctx->work_size = cplan.work_size;
}
cplan.work_data = cpu_ctx->work_data;
cplan.abort_callback = cpu_ctx->abort_callback;
cplan.abort_callback_data = cpu_ctx->abort_callback_data;
ggml_graph_compute(cgraph, &cplan);
return true;
}
@ -759,9 +767,11 @@ static struct ggml_backend_i cpu_backend_i = {
ggml_backend_t ggml_backend_cpu_init(void) {
struct ggml_backend_cpu_context * ctx = malloc(sizeof(struct ggml_backend_cpu_context));
ctx->n_threads = GGML_DEFAULT_N_THREADS;
ctx->work_data = NULL;
ctx->work_size = 0;
ctx->n_threads = GGML_DEFAULT_N_THREADS;
ctx->work_data = NULL;
ctx->work_size = 0;
ctx->abort_callback = NULL;
ctx->abort_callback_data = NULL;
ggml_backend_t cpu_backend = malloc(sizeof(struct ggml_backend));
@ -783,6 +793,14 @@ void ggml_backend_cpu_set_n_threads(ggml_backend_t backend_cpu, int n_threads) {
ctx->n_threads = n_threads;
}
void ggml_backend_cpu_set_abort_callback(ggml_backend_t backend_cpu, ggml_abort_callback abort_callback, void * abort_callback_data) {
GGML_ASSERT(ggml_backend_is_cpu(backend_cpu));
struct ggml_backend_cpu_context * ctx = (struct ggml_backend_cpu_context *)backend_cpu->context;
ctx->abort_callback = abort_callback;
ctx->abort_callback_data = abort_callback_data;
}
GGML_CALL ggml_backend_buffer_t ggml_backend_cpu_buffer_from_ptr(void * ptr, size_t size) {
return ggml_backend_buffer_init(ggml_backend_cpu_buffer_type(), cpu_backend_buffer_i_from_ptr, ptr, size);
}

5
ggml-backend.h
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@ -83,8 +83,9 @@ extern "C" {
GGML_API ggml_backend_t ggml_backend_cpu_init(void);
GGML_API GGML_CALL bool ggml_backend_is_cpu (ggml_backend_t backend);
GGML_API void ggml_backend_cpu_set_n_threads(ggml_backend_t backend_cpu, int n_threads);
GGML_API GGML_CALL bool ggml_backend_is_cpu (ggml_backend_t backend);
GGML_API void ggml_backend_cpu_set_n_threads (ggml_backend_t backend_cpu, int n_threads);
GGML_API void ggml_backend_cpu_set_abort_callback(ggml_backend_t backend_cpu, ggml_abort_callback abort_callback, void * abort_callback_data);
// Create a backend buffer from an existing pointer
GGML_API GGML_CALL ggml_backend_buffer_t ggml_backend_cpu_buffer_from_ptr(void * ptr, size_t size);

2
ggml.c
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@ -16560,7 +16560,7 @@ struct ggml_compute_state_shared {
atomic_int node_n; // active graph node
atomic_int node_task; // active graph node task phase
bool (*abort_callback)(void * data); // abort ggml_graph_compute when true
ggml_abort_callback abort_callback; // abort ggml_graph_compute when true
void * abort_callback_data;
};

9
ggml.h
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@ -567,6 +567,11 @@ extern "C" {
static const size_t GGML_TENSOR_SIZE = sizeof(struct ggml_tensor);
// Abort callback
// If not NULL, called before ggml computation
// If it returns true, the computation is aborted
typedef bool (*ggml_abort_callback)(void * data);
// the compute plan that needs to be prepared for ggml_graph_compute()
// since https://github.com/ggerganov/ggml/issues/287
struct ggml_cplan {
@ -576,8 +581,8 @@ extern "C" {
int n_threads;
// abort ggml_graph_compute when true
bool (*abort_callback)(void * data);
void * abort_callback_data;
ggml_abort_callback abort_callback;
void * abort_callback_data;
};
enum ggml_cgraph_eval_order {

8
whisper.cpp
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@ -156,11 +156,11 @@ static bool ggml_graph_compute_helper(
struct ggml_cgraph * graph,
std::vector<uint8_t> & buf,
int n_threads,
whisper_abort_callback abort_callback,
ggml_abort_callback abort_callback,
void * abort_callback_data) {
struct ggml_cplan plan = ggml_graph_plan(graph, n_threads);
plan.abort_callback = abort_callback;
plan.abort_callback = abort_callback;
plan.abort_callback_data = abort_callback_data;
if (plan.work_size > 0) {
@ -2130,7 +2130,7 @@ static bool whisper_encode_internal(
whisper_state & wstate,
const int mel_offset,
const int n_threads,
whisper_abort_callback abort_callback,
ggml_abort_callback abort_callback,
void * abort_callback_data) {
const int64_t t_start_us = ggml_time_us();
@ -2561,7 +2561,7 @@ static bool whisper_decode_internal(
whisper_state & wstate,
const whisper_batch & batch,
const int n_threads,
whisper_abort_callback abort_callback,
ggml_abort_callback abort_callback,
void * abort_callback_data) {
const int64_t t_start_us = ggml_time_us();

7
whisper.h
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@ -412,11 +412,6 @@ extern "C" {
// If it returns false, the computation is aborted
typedef bool (*whisper_encoder_begin_callback)(struct whisper_context * ctx, struct whisper_state * state, void * user_data);
// Abort callback
// If not NULL, called before ggml computation
// If it returns true, the computation is aborted
typedef bool (*whisper_abort_callback)(void * user_data);
// Logits filter callback
// Can be used to modify the logits before sampling
// If not NULL, called after applying temperature to logits
@ -513,7 +508,7 @@ extern "C" {
void * encoder_begin_callback_user_data;
// called each time before ggml computation starts
whisper_abort_callback abort_callback;
ggml_abort_callback abort_callback;
void * abort_callback_user_data;
// called by each decoder to filter obtained logits