vbatts/llama.cpp
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llama : remove all_pos_0, all_pos_1, all_seq_id from llama_batch (#9745)

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* refactor llama_batch_get_one

* adapt all examples

* fix simple.cpp

* fix llama_bench

* fix

* fix context shifting

* free batch before return

* use common_batch_add, reuse llama_batch in loop

* null terminated seq_id list

* fix save-load-state example

* fix perplexity

* correct token pos in llama_batch_allocr
This commit is contained in:
Xuan Son Nguyen 2024-10-18 23:18:01 +02:00 • committed by GitHub
parent afd9909a64
commit cda0e4b648
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GPG key ID: B5690EEEBB952194
22 changed files with 205 additions and 118 deletions
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30
examples/save-load-state/save-load-state.cpp
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@ -48,9 +48,16 @@ int main(int argc, char ** argv) {
// tokenize prompt
auto tokens = common_tokenize(ctx, params.prompt, true);
// prepare the batch
llama_batch batch = llama_batch_init(tokens.size(), 0, 1);
for (size_t i = 0; i < tokens.size(); i++) {
common_batch_add(batch, tokens[i], i, {0}, false);
}
batch.logits[batch.n_tokens - 1] = true; // generate next token
// evaluate prompt
llama_decode(ctx, llama_batch_get_one(tokens.data(), tokens.size(), n_past, 0));
n_past += tokens.size();
llama_decode(ctx, batch);
n_past += batch.n_tokens;
// save state (rng, logits, embedding and kv_cache) to file
{
@ -77,8 +84,12 @@ int main(int argc, char ** argv) {
printf("%s", next_token_str.c_str());
result0 += next_token_str;
if (llama_decode(ctx, llama_batch_get_one(&next_token, 1, n_past, 0))) {
common_batch_clear(batch);
common_batch_add(batch, next_token, n_past, {0}, true);
if (llama_decode(ctx, batch)) {
fprintf(stderr, "\n%s : failed to evaluate\n", __func__);
llama_batch_free(batch);
llama_free(ctx);
llama_free_model(model);
return 1;
@ -133,8 +144,12 @@ int main(int argc, char ** argv) {
printf("%s", next_token_str.c_str());
result1 += next_token_str;
if (llama_decode(ctx2, llama_batch_get_one(&next_token, 1, n_past, 0))) {
common_batch_clear(batch);
common_batch_add(batch, next_token, n_past, {0}, true);
if (llama_decode(ctx2, batch)) {
fprintf(stderr, "\n%s : failed to evaluate\n", __func__);
llama_batch_free(batch);
llama_free(ctx2);
llama_free_model(model);
return 1;
@ -221,8 +236,12 @@ int main(int argc, char ** argv) {
printf("%s", next_token_str.c_str());
result2 += next_token_str;
if (llama_decode(ctx3, llama_batch_get_one(&next_token, 1, n_past, 1))) {
common_batch_clear(batch);
common_batch_add(batch, next_token, n_past, {1}, true);
if (llama_decode(ctx3, batch)) {
fprintf(stderr, "\n%s : failed to evaluate\n", __func__);
llama_batch_free(batch);
llama_free(ctx3);
llama_free_model(model);
return 1;
@ -236,6 +255,7 @@ int main(int argc, char ** argv) {
llama_sampler_free(smpl2);
llama_sampler_free(smpl3);
llama_batch_free(batch);
llama_free(ctx3);
llama_free_model(model);