vbatts/llama.cpp
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Merge pull request #12 from anon998/clear-logit-bias

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Clear logit bias between requests.
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Randall Fitzgerald 2023-06-01 08:58:35 -04:00 • committed by GitHub
commit d29b6d5f55
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1 changed files with 7 additions and 4 deletions
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11
examples/server/server.cpp
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@ -559,6 +559,7 @@ json format_generation_settings(llama_server_context &llama) {
{ "n_keep", llama.params.n_keep },
{ "ignore_eos", ignore_eos },
{ "stream", llama.stream },
{ "logit_bias", llama.params.logit_bias },
};
}
@ -638,7 +639,7 @@ bool parse_options_completion(json body, llama_server_context& llama, Response &
if (!body["penalize_nl"].is_null()) {
llama.params.penalize_nl = body["penalize_nl"].get<float>();
} else {
llama.params.penalize_nl = false;
llama.params.penalize_nl = default_params.penalize_nl;
}
if (!body["n_keep"].is_null()) {
llama.params.n_keep = body["n_keep"].get<int>();
@ -650,10 +651,10 @@ bool parse_options_completion(json body, llama_server_context& llama, Response &
} else {
llama.params.seed = time(NULL);
}
llama.params.logit_bias.clear();
if (!body["ignore_eos"].is_null() && body["ignore_eos"].get<bool>()) {
llama.params.logit_bias[llama_token_eos()] = -INFINITY;
} else {
llama.params.logit_bias.erase(llama_token_eos());
}
if (body["logit_bias"].is_array()) {
int n_vocab = llama_n_vocab(llama.ctx);
@ -665,6 +666,7 @@ bool parse_options_completion(json body, llama_server_context& llama, Response &
}
}
}
if (!body["prompt"].is_null()) {
llama.params.prompt = body["prompt"].get<std::string>();
} else {
@ -673,6 +675,7 @@ bool parse_options_completion(json body, llama_server_context& llama, Response &
res.status = 400;
return false;
}
llama.params.antiprompt.clear();
if (!body["stop"].is_null()) {
const auto stop = body["stop"].get<std::vector<std::string>>();
@ -888,7 +891,7 @@ int main(int argc, char **argv)
}
});
svr.Options(R"(/.*)", [&llama](const Request &req, Response &res)
svr.Options(R"(/.*)", [&llama](const Request &, Response &res)
{
return res.set_content("", "application/json");
});