Immediately start processing the prompt before user input has been provided (#476)

Author: ggerganov

alpaca.sh

@@ -3,4 +3,4 @@
 # Temporary script - will be removed in the future
 #
 
-./main -m ./models/ggml-alpaca-7b-q4.bin --color -f ./prompts/alpaca.txt -ins --top_k 10000 --temp 0.2 --repeat_penalty 1 -t 7
+./main -m ./models/ggml-alpaca-7b-q4.bin --color -f ./prompts/alpaca.txt -ins -b 256 --top_k 10000 --temp 0.2 --repeat_penalty 1 -t 7

chat.sh

@@ -3,4 +3,4 @@
 # Temporary script - will be removed in the future
 #
 
-./main -m ./models/7B/ggml-model-q4_0.bin -n 256 --repeat_penalty 1.0 --color -i -r "User:" -f prompts/chat-with-bob.txt
+./main -m ./models/7B/ggml-model-q4_0.bin -b 128 -n 256 --repeat_penalty 1.0 --color -i -r "User:" -f prompts/chat-with-bob.txt

examples/chatLLaMa

@@ -13,7 +13,7 @@ N_PREDICTS="${N_PREDICTS:-2048}"
 
 # Note: you can also override the generation options by specifying them on the command line:
 # For example, override the context size by doing: ./chatLLaMa --ctx_size 1024
-GEN_OPTIONS="${GEN_OPTIONS:---ctx_size 2048 --temp 0.7 --top_k 40 --top_p 0.5 --repeat_last_n 256 --repeat_penalty 1.17647}"
+GEN_OPTIONS="${GEN_OPTIONS:---ctx_size 2048 --temp 0.7 --top_k 40 --top_p 0.5 --repeat_last_n 256 --batch_size 1024 --repeat_penalty 1.17647}"
 
 # shellcheck disable=SC2086 # Intended splitting of GEN_OPTIONS
 ./main $GEN_OPTIONS \

main.cpp

@@ -372,7 +372,7 @@ int main(int argc, char ** argv) {
         n_past += embd.size();
         embd.clear();
 
-        if ((int) embd_inp.size() <= input_consumed) {
+        if ((int) embd_inp.size() <= input_consumed && !is_interacting) {
             // out of user input, sample next token
             const float top_k          = params.top_k;
             const float top_p          = params.top_p;
@@ -451,13 +451,16 @@ int main(int argc, char ** argv) {
             }
 
             // Check if each of the reverse prompts appears at the end of the output.
-            for (std::string antiprompt : params.antiprompt) {
+            for (std::string & antiprompt : params.antiprompt) {
                 if (last_output.find(antiprompt.c_str(), last_output.length() - antiprompt.length(), antiprompt.length()) != std::string::npos) {
                     is_interacting = true;
+                    set_console_state(CONSOLE_STATE_USER_INPUT);
+                    fflush(stdout);
                     break;
                 }
             }
-            if (is_interacting) {
+
+            if (n_past > 0 && is_interacting) {
                 // potentially set color to indicate we are taking user input
                 set_console_state(CONSOLE_STATE_USER_INPUT);
 
@@ -495,7 +498,10 @@ int main(int argc, char ** argv) {
 
                 input_noecho = true; // do not echo this again
             }
-            is_interacting = false;
+
+            if (n_past > 0) {
+                is_interacting = false;
+            }
         }
 
         // end of text token