tqcq/llama.cpp
0
0
Fork 0
mirror of https://github.com/ggml-org/llama.cpp.git synced 2025-06-29 12:35:16 +00:00
Code Issues Packages Projects Releases Wiki Activity

llama : add llama_sampling API + move grammar in libllama

Browse Source 
ggml-ci
This commit is contained in:
Georgi Gerganov
2024-08-05 10:08:25 +03:00
parent b69a480af4
commit f648ca2cee
48 changed files with 2481 additions and 2590 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
examples/llama.android/llama/src/main/cpp/llama-android.cpp
View File

@ -120,8 +120,8 @@ Java_android_llama_cpp_LLamaAndroid_new_1context(JNIEnv *env, jobject, jlong jmo
LOGi("Using %d threads", n_threads);
llama_context_params ctx_params = llama_context_default_params();
ctx_params.seed = 1234;
ctx_params.n_ctx = 2048;
ctx_params.n_ctx = 2048;
ctx_params.n_threads = n_threads;
ctx_params.n_threads_batch = n_threads;
@ -380,11 +380,13 @@ Java_android_llama_cpp_LLamaAndroid_completion_1loop(
JNIEnv * env,
jobject,
jlong context_pointer,
jlong sampling_pointer,
jlong batch_pointer,
jint n_len,
jobject intvar_ncur
) {
const auto context = reinterpret_cast<llama_context *>(context_pointer);
const auto sampling = reinterpret_cast<llama_sampling *>(sampling_pointer);
const auto batch = reinterpret_cast<llama_batch *>(batch_pointer);
const auto model = llama_get_model(context);
@ -392,20 +394,12 @@ Java_android_llama_cpp_LLamaAndroid_completion_1loop(
if (!la_int_var_value) la_int_var_value = env->GetMethodID(la_int_var, "getValue", "()I");
if (!la_int_var_inc) la_int_var_inc = env->GetMethodID(la_int_var, "inc", "()V");
auto n_vocab = llama_n_vocab(model);
auto logits = llama_get_logits_ith(context, batch->n_tokens - 1);
const auto * logits = llama_get_logits_ith(context, batch->n_tokens - 1);
std::vector<llama_token_data> candidates;
candidates.reserve(n_vocab);
for (llama_token token_id = 0; token_id < n_vocab; token_id++) {
candidates.emplace_back(llama_token_data{ token_id, logits[token_id], 0.0f });
}
llama_token_data_array candidates_p = { candidates.data(), candidates.size(), false };
llama_sampling_set_logits(sampling, logits);
// sample the most likely token
const auto new_token_id = llama_sample_token_greedy(context, &candidates_p);
const auto new_token_id = llama_sampling_sample_greedy(sampling, nullptr);
const auto n_cur = env->CallIntMethod(intvar_ncur, la_int_var_value);
if (llama_token_is_eog(model, new_token_id) || n_cur == n_len) {