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llama : use the same threshold for OpenBLAS and ggml thread limiting (#577)

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Maël Kerbiriou 2023-03-29 18:10:07 +02:00 committed by GitHub
parent a6956b25a1
commit 41318d708e
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1 changed files with 1 additions and 1 deletions
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llama.cpp
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@ -856,7 +856,7 @@ static bool llama_eval_internal(
// 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
ggml_cgraph gf = {};
gf.n_threads = N > 255 && ggml_cpu_has_blas() ? 1 : n_threads;
gf.n_threads = N >= 32 && ggml_cpu_has_blas() ? 1 : n_threads;
struct ggml_tensor * embd = ggml_new_tensor_1d(ctx0, GGML_TYPE_I32, N);
memcpy(embd->data, tokens, N*ggml_element_size(embd));