From bcd52b28512754b33529fba6cebbdc43d6ade7d8 Mon Sep 17 00:00:00 2001
From: Shreyas Misra <shreyasm@nvidia.com>
Date: Fri, 29 Aug 2025 10:26:27 -0700
Subject: [PATCH] fixes for no text input

---
 genai-perf/genai_perf/config/input/create_config.py |  3 ++-
 .../converters/openai_chat_completions_converter.py | 13 +++++++------
 2 files changed, 9 insertions(+), 7 deletions(-)

diff --git a/genai-perf/genai_perf/config/input/create_config.py b/genai-perf/genai_perf/config/input/create_config.py
index 1da968a2..2e748288 100644
--- a/genai-perf/genai_perf/config/input/create_config.py
+++ b/genai-perf/genai_perf/config/input/create_config.py
@@ -306,7 +306,8 @@ def _add_input_args_to_config(
             config.input.output_tokens.stddev = args.output_tokens_stddev
 
         # Input - Synthetic Tokens
-        if args.synthetic_input_tokens_mean:
+        # 0 is used for no text input
+        if isinstance(args.synthetic_input_tokens_mean, int) and args.synthetic_input_tokens_mean >= 0:
             config.input.synthetic_tokens.mean = args.synthetic_input_tokens_mean
         if args.synthetic_input_tokens_stddev:
             config.input.synthetic_tokens.stddev = args.synthetic_input_tokens_stddev
diff --git a/genai-perf/genai_perf/inputs/converters/openai_chat_completions_converter.py b/genai-perf/genai_perf/inputs/converters/openai_chat_completions_converter.py
index bb873bfa..b3a38032 100644
--- a/genai-perf/genai_perf/inputs/converters/openai_chat_completions_converter.py
+++ b/genai-perf/genai_perf/inputs/converters/openai_chat_completions_converter.py
@@ -89,12 +89,13 @@ def _retrieve_content(self, row: DataRow) -> Union[str, List[Dict[Any, Any]]]:
     def _add_multi_modal_content(self, entry: DataRow) -> List[Dict[Any, Any]]:
         content: List[Dict[Any, Any]] = []
         for text in entry.texts:
-            content.append(
-                {
-                    "type": "text",
-                    "text": text,
-                }
-            )
+            if len(text) > 0:
+                content.append(
+                    {
+                        "type": "text",
+                        "text": text,
+                    }
+                )
         for image in entry.images:
             content.append(
                 {