llama : add phi 3 chat template (#6857)

* Add phi 3 chat template & tests

* test : fix chat template result

---------

Co-authored-by: Georgi Gerganov <ggerganov@gmail.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/llama.cpp b/llama.cpp
index 30fe1903..e4ca34bd 100644
--- a/llama.cpp
+++ b/llama.cpp
@@ -17447,6 +17447,15 @@ static int32_t llama_chat_apply_template_internal(
         if (add_ass) {
             ss << "<|start_header_id|>assistant<|end_header_id|>\n\n";
         }
+    } else if (tmpl == "phi3" || (tmpl.find("<|assistant|>") != std::string::npos && tmpl.find("<|end|>") != std::string::npos )) {
+        // Phi 3
+        for (auto message : chat) {
+            std::string role(message->role);
+            ss << "<|" << role << "|>\n" << trim(message->content) << "<|end|>\n";
+        }
+        if (add_ass) {
+            ss << "<|assistant|>\n";
+        }
     } else {
         // template not supported
         return -1;