Merge branch 'upstream' into concedo_experimental

# Conflicts:
#	CMakeLists.txt
#	README.md
#	ci/run.sh
#	docs/BLIS.md
#	flake.lock
#	grammars/README.md
This commit is contained in:
Concedo 2024-05-08 09:58:23 +08:00
commit bc39b4d98a
15 changed files with 94 additions and 30 deletions

View file

@ -2267,17 +2267,31 @@ struct server_context {
llama_token_data_array cur_p = { slot.ctx_sampling->cur.data(), slot.ctx_sampling->cur.size(), false };
result.tok = id;
const int32_t n_probs = slot.sparams.n_probs;
if (slot.sparams.temp <= 0 && n_probs > 0) {
// for llama_sample_token_greedy we need to sort candidates
llama_sample_softmax(ctx, &cur_p);
}
const size_t n_probs = std::min(cur_p.size, (size_t) slot.sparams.n_probs);
if (n_probs > 0) {
const size_t n_considered = slot.ctx_sampling->n_considered;
for (size_t i = 0; i < std::min(cur_p.size, (size_t) n_probs); ++i) {
result.probs.push_back({
cur_p.data[i].id,
cur_p.data[i].p
});
// Make sure at least n_probs top tokens are at the front of the vector:
if (slot.sparams.temp == 0.0f && n_probs > n_considered) {
llama_sample_top_k(ctx, &cur_p, n_probs, 0);
}
if (slot.sparams.temp == 0.0f) {
// With greedy sampling the probabilities have possibly not been calculated.
for (size_t i = 0; i < n_probs; ++i) {
result.probs.push_back({
cur_p.data[i].id,
i == 0 ? 1.0f : 0.0f
});
}
} else {
for (size_t i = 0; i < n_probs; ++i) {
result.probs.push_back({
cur_p.data[i].id,
i >= n_considered ? 0.0f : cur_p.data[i].p // Tokens filtered out due to e.g. top_k have 0 probability.
});
}
}
}
if (!process_token(result, slot)) {