diff options
Diffstat (limited to 'examples/perplexity/perplexity.cpp')
| -rw-r--r-- | examples/perplexity/perplexity.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/examples/perplexity/perplexity.cpp b/examples/perplexity/perplexity.cpp index 7e120ff..bfad999 100644 --- a/examples/perplexity/perplexity.cpp +++ b/examples/perplexity/perplexity.cpp @@ -32,13 +32,15 @@ void perplexity(llama_context * ctx, const gpt_params & params) { // BOS tokens will be added for each chunk before eval auto tokens = ::llama_tokenize(ctx, params.prompt, true); - int count = 0; + const int n_chunk_max = tokens.size() / params.n_ctx; - const int n_chunk = tokens.size() / params.n_ctx; + const int n_chunk = params.n_chunks < 0 ? n_chunk_max : std::min(params.n_chunks, n_chunk_max); const int n_vocab = llama_n_vocab(ctx); const int n_batch = params.n_batch; + int count = 0; double nll = 0.0; + fprintf(stderr, "%s: calculating perplexity over %d chunks, batch_size=%d\n", __func__, n_chunk, n_batch); for (int i = 0; i < n_chunk; ++i) { |