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Use the same batch size threshold for enabling OpenBLAS and disabling ggml threading #577

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Merged
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Mar 29, 2023
Merged

Use the same batch size threshold for enabling OpenBLAS and disabling ggml threading #577

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2 changes: 1 addition & 1 deletion llama.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -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));
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