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-rw-r--r--examples/save-load-state/save-load-state.cpp21
1 files changed, 10 insertions, 11 deletions
diff --git a/examples/save-load-state/save-load-state.cpp b/examples/save-load-state/save-load-state.cpp
index 48d80111..ef952e2b 100644
--- a/examples/save-load-state/save-load-state.cpp
+++ b/examples/save-load-state/save-load-state.cpp
@@ -45,13 +45,13 @@ int main(int argc, char ** argv) {
// save state (rng, logits, embedding and kv_cache) to file
{
std::vector<uint8_t> state_mem(llama_get_state_size(ctx));
+ const size_t written = llama_copy_state_data(ctx, state_mem.data());
- {
- FILE *fp_write = fopen("dump_state.bin", "wb");
- llama_copy_state_data(ctx, state_mem.data()); // could also copy directly to memory mapped file
- fwrite(state_mem.data(), 1, state_mem.size(), fp_write);
- fclose(fp_write);
- }
+ FILE *fp_write = fopen("dump_state.bin", "wb");
+ fwrite(state_mem.data(), 1, written, fp_write);
+ fclose(fp_write);
+
+ fprintf(stderr, "%s : serialized state into %zd out of a maximum of %zd bytes\n", __func__, written, state_mem.size());
}
// save state (last tokens)
@@ -100,18 +100,17 @@ int main(int argc, char ** argv) {
std::vector<uint8_t> state_mem(llama_get_state_size(ctx2));
FILE * fp_read = fopen("dump_state.bin", "rb");
+ const size_t read = fread(state_mem.data(), 1, state_mem.size(), fp_read);
+ fclose(fp_read);
- const size_t ret = fread(state_mem.data(), 1, state_mem.size(), fp_read);
- if (ret != state_mem.size()) {
+ if (read != llama_set_state_data(ctx2, state_mem.data())) {
fprintf(stderr, "\n%s : failed to read state\n", __func__);
llama_free(ctx2);
llama_free_model(model);
return 1;
}
- llama_set_state_data(ctx2, state_mem.data());
-
- fclose(fp_read);
+ fprintf(stderr, "%s : deserialized state from %zd out of a maximum of %zd bytes\n", __func__, read, state_mem.size());
}
// restore state (last tokens)