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llama : add getters for n_threads/n_threads_batch (#7464)

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* llama : add getters for n_threads/n_threads_batch

This commit adds two new functions to the llama API. The functions
can be used to get the number of threads used for generating a single
token and the number of threads used for prompt and batch processing
(multiple tokens).

The motivation for this is that we want to be able to get the number of
threads that the a context is using. The main use case is for a
testing/verification that the number of threads is set correctly.

Signed-off-by: Daniel Bevenius <daniel.bevenius@gmail.com>

* squash! llama : add getters for n_threads/n_threads_batch

Rename the getters to llama_n_threads and llama_n_threads_batch.

Signed-off-by: Daniel Bevenius <daniel.bevenius@gmail.com>

---------

Signed-off-by: Daniel Bevenius <daniel.bevenius@gmail.com>
This commit is contained in:
Daniel Bevenius 2024-05-23 14:29:26 +02:00 committed by GitHub
parent 55ac3b7aea
commit 3015851c5a
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2 changed files with 14 additions and 0 deletions
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8
llama.cpp
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@ -17410,6 +17410,14 @@ void llama_set_n_threads(struct llama_context * ctx, uint32_t n_threads, uint32_
ctx->cparams.n_threads_batch = n_threads_batch; ctx->cparams.n_threads_batch = n_threads_batch;
} }
uint32_t llama_n_threads(struct llama_context * ctx) {
return ctx->cparams.n_threads;
}
uint32_t llama_n_threads_batch(struct llama_context * ctx) {
return ctx->cparams.n_threads_batch;
}
void llama_set_abort_callback(struct llama_context * ctx, bool (*abort_callback)(void * data), void * abort_callback_data) { void llama_set_abort_callback(struct llama_context * ctx, bool (*abort_callback)(void * data), void * abort_callback_data) {
ctx->abort_callback = abort_callback; ctx->abort_callback = abort_callback;
ctx->abort_callback_data = abort_callback_data; ctx->abort_callback_data = abort_callback_data;

6
llama.h
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@ -759,6 +759,12 @@ extern "C" {
// n_threads_batch is the number of threads used for prompt and batch processing (multiple tokens) // n_threads_batch is the number of threads used for prompt and batch processing (multiple tokens)
LLAMA_API void llama_set_n_threads(struct llama_context * ctx, uint32_t n_threads, uint32_t n_threads_batch); LLAMA_API void llama_set_n_threads(struct llama_context * ctx, uint32_t n_threads, uint32_t n_threads_batch);
// Get the number of threads used for generation of a single token.
LLAMA_API uint32_t llama_n_threads(struct llama_context * ctx);
// Get the number of threads used for prompt and batch processing (multiple token).
LLAMA_API uint32_t llama_n_threads_batch(struct llama_context * ctx);
// Set whether to use causal attention or not // Set whether to use causal attention or not
// If set to true, the model will only attend to the past tokens // If set to true, the model will only attend to the past tokens
LLAMA_API void llama_set_causal_attn(struct llama_context * ctx, bool causal_attn); LLAMA_API void llama_set_causal_attn(struct llama_context * ctx, bool causal_attn);