perplexity : require positive --ctx-size arg (#6695)

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Georgi Gerganov 2024-04-16 09:28:33 +03:00 committed by GitHub
parent 4fbd8098e6
commit 58227ffdeb
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@ -1852,12 +1852,20 @@ int main(int argc, char ** argv) {
const int32_t n_ctx = params.n_ctx;
if (n_ctx <= 0) {
fprintf(stderr, "%s: perplexity tool requires '--ctx-size' > 0\n", __func__);
return 1;
}
const bool ppl = !params.hellaswag && !params.winogrande && !params.multiple_choice && !params.kl_divergence;
if (ppl) {
int n_seq = std::max(1, params.n_batch / n_ctx);
int32_t n_kv = n_seq * n_ctx;
const int32_t n_seq = std::max(1, params.n_batch / n_ctx);
const int32_t n_kv = n_seq * n_ctx;
params.n_parallel = n_seq;
params.n_ctx = n_kv;
params.n_batch = std::min(params.n_batch, n_kv);
} else {
params.n_batch = std::min(params.n_batch, params.n_ctx);