fix model path error.

LLama.Benchmark/Constants.cs

@@ -11,13 +11,13 @@ namespace LLama.Benchmark
     {
         public static string ModelDir { get; set; } = "";
 
-        public static string Generative7BModelPath => Path.Combine(ModelDir, "llama-2-7b-chat.Q3_K_S.gguf");
-        public static string EmbeddingModelPath => Path.Combine(ModelDir, "all-MiniLM-L12-v2.Q8_0.gguf");
+        public readonly static string Generative7BModelPath = "llama-2-7b-chat.Q3_K_S.gguf";
+        public readonly static string EmbeddingModelPath = "all-MiniLM-L12-v2.Q8_0.gguf";
 
-        public static string LLavaModelPath => Path.Combine(ModelDir, "llava-v1.6-mistral-7b.Q3_K_XS.gguf");
-        public static string LLavaMmpPath => Path.Combine(ModelDir, "mmproj-model-f16.gguf");
-        public static string LLavaImage => "Assets/extreme-ironing-taxi-610x427.jpg";
+        public readonly static string LLavaModelPath = "llava-v1.6-mistral-7b.Q3_K_XS.gguf";
+        public readonly static string LLavaMmpPath = "mmproj-model-f16.gguf";
+        public readonly static string LLavaImage = "Assets/extreme-ironing-taxi-610x427.jpg";
 
-        public static string TextCompletionPromptsFilePath = "Assets/TextCompletionPrompts.txt";
+        public readonly static string TextCompletionPromptsFilePath = "Assets/TextCompletionPrompts.txt";
     }
 }

LLama.Benchmark/LLamaExecutorBenchmark/Prefill.cs

@@ -76,7 +76,7 @@ namespace LLama.Benchmark.LLamaExecutorBenchmark
 
         private void InitializeParamsAndModel()
         {
-            ModelParams = new ModelParams(ModelAndGpuLayerCount.Item1)
+            ModelParams = new ModelParams(Path.Combine(Constants.ModelDir, ModelAndGpuLayerCount.Item1))
             {
                 ContextSize = PromptAndContextLength.Item2,
                 GpuLayerCount = ModelAndGpuLayerCount.Item2
@@ -87,8 +87,7 @@ namespace LLama.Benchmark.LLamaExecutorBenchmark
                 Temperature = 0.6f,
                 MaxTokens = 1 // Only prefill, no generation here.
             };
-
-            Console.WriteLine($"************ model params model path: {ModelParams.ModelPath}   specified path: {ModelAndGpuLayerCount.Item1}");
+            
             LLamaWeights weights = LLamaWeights.LoadFromFile(ModelParams);
             LLamaContext context = weights.CreateContext(ModelParams);
             Executor = ExecutorType switch