vbatts/llama.cpp
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server : refactor multitask handling (#9274)

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* server : remove multitask from server_task

* refactor completions handler

* fix embeddings

* use res_ok everywhere

* small change for handle_slots_action

* use unordered_set everywhere

* (try) fix test

* no more "mutable" lambda

* Apply suggestions from code review

Co-authored-by: Georgi Gerganov <ggerganov@gmail.com>

* use deque

---------

Co-authored-by: Georgi Gerganov <ggerganov@gmail.com>
This commit is contained in:
Xuan Son Nguyen 2024-09-02 17:11:51 +02:00 • committed by GitHub
parent b60074f1c2
commit 6e7d133a5f
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5 changed files with 365 additions and 462 deletions
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33
examples/server/utils.hpp
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@ -3,6 +3,14 @@
#include "llama.h"
#include "common.h"
#ifndef NDEBUG
// crash the server in debug mode, otherwise send an http 500 error
#define CPPHTTPLIB_NO_EXCEPTIONS 1
#endif
// increase max payload length to allow use of larger context size
#define CPPHTTPLIB_FORM_URL_ENCODED_PAYLOAD_MAX_LENGTH 1048576
#include "httplib.h"
// Change JSON_ASSERT from assert() to GGML_ASSERT:
#define JSON_ASSERT GGML_ASSERT
#include "json.hpp"
@ -279,6 +287,18 @@ static size_t find_partial_stop_string(const std::string &stop, const std::strin
return std::string::npos;
}
static bool json_is_array_of_numbers(json data) {
if (data.is_array()) {
for (const auto & e : data) {
if (!e.is_number()) {
return false;
}
}
return true;
}
return false;
}
// TODO: reuse llama_detokenize
template <class Iter>
static std::string tokens_to_str(llama_context * ctx, Iter begin, Iter end) {
@ -343,6 +363,19 @@ static json probs_vector_to_json(const llama_context * ctx, const std::vector<co
return out;
}
static bool server_sent_event(httplib::DataSink & sink, const char * event, json & data) {
const std::string str =
std::string(event) + ": " +
data.dump(-1, ' ', false, json::error_handler_t::replace) +
"\n\n";
LOG_VERBOSE("data stream", {
{ "to_send", str }
});
return sink.write(str.c_str(), str.size());
}
//
// OAI utils
//