llama.swiftui : add bench button

examples/llama.swiftui/llama.cpp.swift/LibLlama.swift

@@ -161,6 +161,10 @@ actor LlamaContext {
         return new_token_str
     }
 
+    func bench() -> String{
+        return "bench not implemented"
+    }
+
     func clear() {
         tokens_list.removeAll()
         temporary_invalid_cchars.removeAll()

examples/llama.swiftui/llama.swiftui/Models/LlamaState.swift

@@ -6,7 +6,7 @@ class LlamaState: ObservableObject {
 
     private var llamaContext: LlamaContext?
     private var modelUrl: URL? {
-        Bundle.main.url(forResource: "q8_0", withExtension: "gguf", subdirectory: "models")
+        Bundle.main.url(forResource: "ggml-model-q8_0", withExtension: "gguf", subdirectory: "models")
         // Bundle.main.url(forResource: "llama-2-7b-chat", withExtension: "Q2_K.gguf", subdirectory: "models")
     }
     init() {
@@ -31,6 +31,7 @@ class LlamaState: ObservableObject {
         guard let llamaContext else {
             return
         }
+
         messageLog += "Attempting to complete text...\n"
         await llamaContext.completion_init(text: text)
         messageLog += "\(text)"
@@ -42,4 +43,14 @@ class LlamaState: ObservableObject {
         await llamaContext.clear()
         messageLog += "\n\ndone\n"
     }
+
+    func bench() async {
+        guard let llamaContext else {
+            return
+        }
+
+        messageLog += "Running benchmark...\n"
+        let result = await llamaContext.bench()
+        messageLog += "\(result)"
+    }
 }

examples/llama.swiftui/llama.swiftui/UI/ContentView.swift

@@ -7,7 +7,8 @@ struct ContentView: View {
 
     var body: some View {
         VStack {
-            ScrollView(.vertical) {
+            // automatically scroll to bottom of text view
+            ScrollView(.vertical, showsIndicators: true) {
                 Text(llamaState.messageLog)
             }
 
@@ -15,14 +16,24 @@ struct ContentView: View {
                 .frame(height: 200)
                 .padding()
                 .border(Color.gray, width: 0.5)
-            Button(action: {
-                sendText()
-            }) {
-                Text("Send")
-                    .padding()
-                    .background(Color.blue)
-                    .foregroundColor(.white)
-                    .cornerRadius(8)
+
+            // add two buttons "Send" and "Bench" next to each other
+            HStack {
+                Button("Send") {
+                    sendText()
+                }
+                .padding()
+                .background(Color.blue)
+                .foregroundColor(.white)
+                .cornerRadius(8)
+
+                Button("Bench") {
+                    bench()
+                }
+                .padding()
+                .background(Color.blue)
+                .foregroundColor(.white)
+                .cornerRadius(8)
             }
         }
         .padding()
@@ -34,9 +45,14 @@ struct ContentView: View {
             multiLineText = ""
         }
     }
+
+    func bench() {
+        Task {
+            await llamaState.bench()
+        }
+    }
 }
-/*
+
 #Preview {
     ContentView()
 }
-*/