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authorGeorgi Gerganov <ggerganov@gmail.com>2023-10-28 14:23:11 +0300
committerGitHub <noreply@github.com>2023-10-28 14:23:11 +0300
commitee1a0ec9cb367ba41d138134795cbbbe93d2bf1c (patch)
tree04111cbd66f34c6cc986e70bb47b96b39828e0f2 /common/sampling.cpp
parent177461104b454163473dced2a5038f4e016cdb7e (diff)
llama : add option for greedy sampling with probs (#3813)
* llama : add option for greedy sampling with probs * llama : add comment about llama_sample_token_greedy() missing probs * sampling : temp == 0.0 -> no probs, temp < 0.0 -> probs
Diffstat (limited to 'common/sampling.cpp')
-rw-r--r--common/sampling.cpp8
1 files changed, 6 insertions, 2 deletions
diff --git a/common/sampling.cpp b/common/sampling.cpp
index 5258d4e8..c4996c98 100644
--- a/common/sampling.cpp
+++ b/common/sampling.cpp
@@ -167,8 +167,12 @@ llama_token llama_sampling_sample(
llama_sample_grammar(ctx_main, &cur_p, ctx_sampling->grammar);
}
- if (temp <= 0) {
- // greedy sampling
+ if (temp < 0.0) {
+ // greedy sampling, with probs
+ llama_sample_softmax(ctx_main, &cur_p);
+ id = cur_p.data[0].id;
+ } else if (temp == 0.0) {
+ // greedy sampling, no probs
id = llama_sample_token_greedy(ctx_main, &cur_p);
} else {
if (mirostat == 1) {