vbatts/llama.cpp
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add command line mode

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This commit is contained in:
wbpxre150 2023-04-15 02:05:04 +08:00
parent f4d277ae17
commit 327940beae
1 changed files with 64 additions and 3 deletions
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67
examples/main/main.cpp
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@ -15,6 +15,7 @@
#include <iostream>
#include <string>
#include <vector>
#include <sstream>
#if defined (__unix__) || (defined (__APPLE__) && defined (__MACH__))
#include <signal.h>
@ -26,6 +27,9 @@
static console_state con_st;
static bool is_interacting = false;
static bool is_command = false;
llama_context * ctx;
#if defined (__unix__) || (defined (__APPLE__) && defined (__MACH__)) || defined (_WIN32)
void sigint_handler(int signo) {
@ -34,6 +38,8 @@ void sigint_handler(int signo) {
fflush(stderr);
if (signo == SIGINT) {
if (!is_interacting) {
llama_print_timings(ctx);
llama_free(ctx);
is_interacting=true;
} else {
_exit(130);
@ -42,6 +48,54 @@ void sigint_handler(int signo) {
}
#endif
int command(std::string buffer, gpt_params &params, const int n_ctx ) {
// check buffer's first 3 chars equal '???' to enter command mode.
if (buffer.length() <= 3 || strncmp(buffer.c_str(), "???", 3) != 0) return 0;
set_console_color(con_st, CONSOLE_COLOR_DEFAULT);
std::istringstream command(buffer);
int j = 0; std::string test, arg, cmd;
while (command>>test) {
j++;
if ( j == 2 ) arg = test;
if ( j == 3 ) cmd = test;
}
if (cmd == "") {
printf("Please enter a command value.\n");
return 1;
}
if (arg == "n_predict") {
params.n_predict = std::stoi(cmd);
} else if (arg == "top_k") {
params.top_k = std::stoi(cmd);
} else if (arg == "ctx_size") {
params.n_ctx = std::stoi(cmd);
} else if (arg == "top_p") {
params.top_p = std::stof(cmd);
} else if (arg == "temp") {
params.temp = std::stof(cmd);
} else if (arg == "repeat_last_n") {
params.repeat_last_n = std::stoi(cmd);
} else if (arg == "repeat_penalty") {
params.repeat_penalty = std::stof(cmd);
} else if (arg == "batch_size") {
params.n_batch = std::stoi(cmd);
params.n_batch = std::min(512, params.n_batch);
} else if (arg == "reverse-prompt") {
params.antiprompt.push_back(cmd);
} else if (arg == "keep") {
params.n_keep = std::stoi(cmd);
} else if (arg == "stats") {
llama_print_timings(ctx);
} else {
printf("Invalid command: %s\nValid options are:\n n_predict, top_k, ctx_size, top_p, temp, repeat_last_n, repeat_penalty, batch_size, reverse-prompt, keep, stats\n", arg.c_str());
return 1;
}
printf("sampling: temp = %f, top_k = %d, top_p = %f, repeat_last_n = %i, repeat_penalty = %f\n",
params.temp, params.top_k, params.top_p, params.repeat_last_n, params.repeat_penalty);
printf("generate: n_ctx = %d, n_batch = %d, n_predict = %d, n_keep = %d\n", n_ctx, params.n_batch, params.n_predict, params.n_keep);
return 1;
}
int main(int argc, char ** argv) {
gpt_params params;
params.model = "models/llama-7B/ggml-model.bin";
@ -95,8 +149,6 @@ int main(int argc, char ** argv) {
// params.prompt = R"(// this function checks if the number n is prime
//bool is_prime(int n) {)";
llama_context * ctx;
// load the model
{
auto lparams = llama_context_default_params();
@ -365,6 +417,8 @@ int main(int argc, char ** argv) {
// display text
if (!input_noecho) {
// if a command was entered clear the output to stop printing of gibberish.
if (is_command == true) embd.clear();
for (auto id : embd) {
printf("%s", llama_token_to_str(ctx, id));
}
@ -489,7 +543,14 @@ int main(int argc, char ** argv) {
// Add tokens to embd only if the input buffer is non-empty
// Entering a empty line lets the user pass control back
if (buffer.length() > 1) {
//check for commands
if (command(buffer, params, n_ctx) == 0) {
// this is not a command, run normally.
is_command = false;
} else {
// this was a command, so we need to stop anything more from printing.
is_command = true;
}
// insert input prefix
if (!params.instruct_prefix.empty() && !antiprompt.any) {
n_consumed = embd_inp.size();