diff options
Diffstat (limited to 'examples/main')
| -rw-r--r-- | examples/main/main.cpp | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/examples/main/main.cpp b/examples/main/main.cpp index de63faa..66d5631 100644 --- a/examples/main/main.cpp +++ b/examples/main/main.cpp @@ -81,6 +81,9 @@ int main(int argc, char ** argv) { if (params.n_ctx > 2048) { fprintf(stderr, "%s: warning: model does not support context sizes greater than 2048 tokens (%d specified);" "expect poor results\n", __func__, params.n_ctx); + } else if (params.n_ctx < 8) { + fprintf(stderr, "%s: warning: minimum context size is 8, using minimum size.\n", __func__); + params.n_ctx = 8; } fprintf(stderr, "%s: build = %d (%s)\n", __func__, BUILD_NUMBER, BUILD_COMMIT); @@ -331,6 +334,19 @@ int main(int argc, char ** argv) { while ((n_remain != 0 && !is_antiprompt) || params.interactive) { // predict if (embd.size() > 0) { + // Note: n_ctx - 4 here is to match the logic for commandline prompt handling via + // --prompt or --file which uses the same value. + auto max_embd_size = n_ctx - 4; + // Ensure the input doesn't exceed the context size by truncating embd if necessary. + if ((int)embd.size() > max_embd_size) { + auto skipped_tokens = embd.size() - max_embd_size; + console_set_color(con_st, CONSOLE_COLOR_ERROR); + printf("<<input too long: skipped %ld token%s>>", skipped_tokens, skipped_tokens != 1 ? "s" : ""); + console_set_color(con_st, CONSOLE_COLOR_DEFAULT); + fflush(stdout); + embd.resize(max_embd_size); + } + // infinite text generation via context swapping // if we run out of context: // - take the n_keep first tokens from the original prompt (via n_past) |