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https://github.com/ggerganov/llama.cpp.git
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llama : add abort_callback to interrupt computation (#5409)
* using abort_callback from ggml to stop llama computation * format fix * a brief explaining comment --------- Co-authored-by: Georgi Gerganov <ggerganov@gmail.com>
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18
llama.cpp
18
llama.cpp
@ -1987,6 +1987,9 @@ struct llama_context {
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std::vector<uint8_t> buf_compute_meta;
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std::vector<uint8_t> buf_compute_meta;
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ggml_backend_sched_t sched = nullptr;
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ggml_backend_sched_t sched = nullptr;
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ggml_abort_callback abort_callback = nullptr;
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void * abort_callback_data = nullptr;
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// input tensors
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// input tensors
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ggml_backend_buffer_t buf_input = nullptr;
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ggml_backend_buffer_t buf_input = nullptr;
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ggml_context * ctx_input = nullptr;
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ggml_context * ctx_input = nullptr;
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@ -8071,6 +8074,7 @@ static void llama_graph_compute(
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if (lctx.backend_cpu != nullptr) {
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if (lctx.backend_cpu != nullptr) {
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ggml_backend_cpu_set_n_threads(lctx.backend_cpu, n_threads);
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ggml_backend_cpu_set_n_threads(lctx.backend_cpu, n_threads);
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ggml_backend_cpu_set_abort_callback(lctx.backend_cpu, lctx.abort_callback, lctx.abort_callback_data);
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}
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}
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ggml_backend_sched_graph_compute(lctx.sched, gf);
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ggml_backend_sched_graph_compute(lctx.sched, gf);
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@ -11856,6 +11860,8 @@ struct llama_context_params llama_context_default_params() {
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/*.embedding =*/ false,
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/*.embedding =*/ false,
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/*.offload_kqv =*/ true,
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/*.offload_kqv =*/ true,
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/*.do_pooling =*/ true,
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/*.do_pooling =*/ true,
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/*.abort_callback =*/ nullptr,
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/*.abort_callback_data =*/ nullptr,
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};
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};
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return result;
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return result;
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@ -12038,8 +12044,11 @@ struct llama_context * llama_new_context_with_model(
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LLAMA_LOG_INFO("%s: freq_base = %.1f\n", __func__, cparams.rope_freq_base);
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LLAMA_LOG_INFO("%s: freq_base = %.1f\n", __func__, cparams.rope_freq_base);
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LLAMA_LOG_INFO("%s: freq_scale = %g\n", __func__, cparams.rope_freq_scale);
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LLAMA_LOG_INFO("%s: freq_scale = %g\n", __func__, cparams.rope_freq_scale);
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ctx->rng = std::mt19937(params.seed);
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ctx->abort_callback = params.abort_callback;
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ctx->logits_all = params.logits_all;
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ctx->abort_callback_data = params.abort_callback_data;
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ctx->rng = std::mt19937(params.seed);
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ctx->logits_all = params.logits_all;
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const ggml_type type_k = params.type_k;
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const ggml_type type_k = params.type_k;
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const ggml_type type_v = params.type_v;
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const ggml_type type_v = params.type_v;
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@ -12989,6 +12998,11 @@ void llama_set_n_threads(struct llama_context * ctx, uint32_t n_threads, uint32_
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ctx->cparams.n_threads_batch = n_threads_batch;
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ctx->cparams.n_threads_batch = n_threads_batch;
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}
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}
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void llama_set_abort_callback(struct llama_context * ctx, bool (*abort_callback)(void * data), void * abort_callback_data) {
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ctx->abort_callback = abort_callback;
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ctx->abort_callback_data = abort_callback_data;
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}
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struct llama_batch llama_batch_get_one(
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struct llama_batch llama_batch_get_one(
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llama_token * tokens,
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llama_token * tokens,
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int32_t n_tokens,
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int32_t n_tokens,
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13
llama.h
13
llama.h
@ -255,10 +255,16 @@ extern "C" {
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enum ggml_type type_v; // data type for V cache
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enum ggml_type type_v; // data type for V cache
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// Keep the booleans together to avoid misalignment during copy-by-value.
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// Keep the booleans together to avoid misalignment during copy-by-value.
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bool logits_all; // the llama_eval() call computes all logits, not just the last one (DEPRECATED - set llama_batch.logits instead)
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bool logits_all; // the llama_decode() call computes all logits, not just the last one (DEPRECATED - set llama_batch.logits instead)
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bool embedding; // embedding mode only
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bool embedding; // embedding mode only
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bool offload_kqv; // whether to offload the KQV ops (including the KV cache) to GPU
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bool offload_kqv; // whether to offload the KQV ops (including the KV cache) to GPU
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bool do_pooling; // whether to pool (sum) embedding results by sequence id (ignored if no pooling layer)
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bool do_pooling; // whether to pool (sum) embedding results by sequence id (ignored if no pooling layer)
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// Abort callback
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// if it returns true, execution of llama_decode() will be aborted
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// currently works only with CPU execution
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ggml_abort_callback abort_callback;
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void * abort_callback_data;
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};
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};
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// model quantization parameters
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// model quantization parameters
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@ -632,7 +638,10 @@ extern "C" {
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// n_threads_batch is the number of threads used for prompt and batch processing (multiple tokens)
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// n_threads_batch is the number of threads used for prompt and batch processing (multiple tokens)
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LLAMA_API void llama_set_n_threads(struct llama_context * ctx, uint32_t n_threads, uint32_t n_threads_batch);
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LLAMA_API void llama_set_n_threads(struct llama_context * ctx, uint32_t n_threads, uint32_t n_threads_batch);
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// Token logits obtained from the last call to llama_eval()
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// Set abort callback
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LLAMA_API void llama_set_abort_callback(struct llama_context * ctx, ggml_abort_callback abort_callback, void * abort_callback_data);
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// Token logits obtained from the last call to llama_decode()
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// The logits for the last token are stored in the last row
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// The logits for the last token are stored in the last row
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// Logits for which llama_batch.logits[i] == 0 are undefined
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// Logits for which llama_batch.logits[i] == 0 are undefined
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// Rows: n_tokens provided with llama_batch
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// Rows: n_tokens provided with llama_batch
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