From 57fee166d2b5714ceae8266fc61c371737d55dea Mon Sep 17 00:00:00 2001
From: Green Sky <green@g-s.xyz>
Date: Wed, 22 Mar 2023 12:58:20 +0100
Subject: [PATCH] don't create a new std::string (especially here, where it's
 usually large)

---
 main.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/main.cpp b/main.cpp
index c164c102d..fbb43a8cc 100644
--- a/main.cpp
+++ b/main.cpp
@@ -85,7 +85,7 @@ void perplexity(llama_context * ctx, const gpt_params & params) {
     // Download: https://s3.amazonaws.com/research.metamind.io/wikitext/wikitext-2-raw-v1.zip?ref=salesforce-research
     // Run `./main --perplexity -m models/7B/ggml-model-q4_0.bin -f wiki.test.raw`
     // Output: `perplexity: 13.5106 [114/114]`
-    auto tokens = ::llama_tokenize(ctx, params.prompt.c_str(), true);
+    auto tokens = ::llama_tokenize(ctx, params.prompt, true);
 
     int count = 0;
     double nll = 0.0;