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Don't force immediate interactive without `-i` (#354) 

* Don't force immediate interactive without -i

Sometimes we might want to use a reverse prompt but we want to let the
model generate tokens right after the initial prompt. So we don't force
user input mode if the -i flag wasn't specified and instead let it run
until we encounter the reverse prompt.

This gives use some more flexibility, since it doesn't force the user to
enter a newline if they want to let the model generate text right after
the initial prompt and only be asked for input if the reverse prompt is
encountered.

The `--interactive-first` flag is reintroduced to force the old
behavior. `-r` behaves like `-i` plus introduces a reverse prompt (it
can be specified more than once).

* Update help output.

---------

Co-authored-by: Johnman <tjohnman@github>
This commit is contained in:
tjohnman 2023-03-22 18:16:35 +01:00 committed by GitHub
parent 4122dffff9
commit 305ba6f0e6
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3 changed files with 10 additions and 3 deletions
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6
main.cpp
View File

@ -254,6 +254,10 @@ int main(int argc, char ** argv) {
params.interactive = true;
}
if (params.interactive_start) {
params.interactive = true;
}
fprintf(stderr, "\n");
fprintf(stderr, "%s: prompt: '%s'\n", __func__, params.prompt.c_str());
fprintf(stderr, "%s: number of tokens in prompt = %zu\n", __func__, embd_inp.size());
@ -296,7 +300,7 @@ int main(int argc, char ** argv) {
#endif
" - Press Return to return control to LLaMa.\n"
" - If you want to submit another line, end your input in '\\'.\n\n");
is_interacting = true;
is_interacting = params.interactive_start;
}
int input_consumed = 0;

5
utils.cpp
View File

@ -63,6 +63,8 @@ bool gpt_params_parse(int argc, char ** argv, gpt_params & params) {
params.model = argv[++i];
} else if (arg == "-i" || arg == "--interactive") {
params.interactive = true;
} else if (arg == "--interactive-first") {
params.interactive_start = true;
} else if (arg == "-ins" || arg == "--instruct") {
params.instruct = true;
} else if (arg == "--color") {
@ -96,9 +98,10 @@ void gpt_print_usage(int /*argc*/, char ** argv, const gpt_params & params) {
fprintf(stderr, "options:\n");
fprintf(stderr, " -h, --help show this help message and exit\n");
fprintf(stderr, " -i, --interactive run in interactive mode\n");
fprintf(stderr, " --interactive-first run in interactive mode and wait for input right away\n");
fprintf(stderr, " -ins, --instruct run in instruction mode (use with Alpaca models)\n");
fprintf(stderr, " -r PROMPT, --reverse-prompt PROMPT\n");
fprintf(stderr, " in interactive mode, poll user input upon seeing PROMPT (can be\n");
fprintf(stderr, " run in interactive mode and poll user input upon seeing PROMPT (can be\n");
fprintf(stderr, " specified more than once for multiple prompts).\n");
fprintf(stderr, " --color colorise output to distinguish prompt and user input from generations\n");
fprintf(stderr, " -s SEED, --seed SEED RNG seed (default: -1, use random seed for <= 0)\n");

2
utils.h
View File

@ -38,7 +38,7 @@ struct gpt_params {
bool random_prompt = false; // do not randomize prompt if none provided
bool use_color = false; // use color to distinguish generations and inputs
bool interactive = false; // interactive mode
bool interactive_start = false; // reverse prompt immediately
bool interactive_start = false; // wait for user input immediately
bool instruct = false; // instruction mode (used for Alpaca models)
bool ignore_eos = false; // do not stop generating after eos
bool perplexity = false; // compute perplexity over the prompt