Refine logging messages for TornadoVM processes.

Author: mikepapadim

src/main/java/com/example/loader/weights/ModelLoader.java

@@ -89,7 +89,7 @@ public static Weights loadWeights(Map<String, GGMLTensorEntry> tensorEntries, Co
         GGMLTensorEntry outputWeight = tensorEntries.getOrDefault("output.weight", tokenEmbeddings);
 
         if (LlamaApp.USE_TORNADOVM) {
-            System.out.println("Loading weights in TornadoVM format");
+            System.out.println("Loading model weights in TornadoVM format (converting " + outputWeight.ggmlType() + " -> " + GGMLType.F16 + ")");
             return createTornadoVMWeights(tensorEntries, config, ropeFreqs, tokenEmbeddings, outputWeight);
         } else {
             return createStandardWeights(tensorEntries, config, ropeFreqs, tokenEmbeddings, outputWeight);

src/main/java/com/example/tornadovm/TornadoVMMasterPlan.java

@@ -67,7 +67,7 @@ public static TornadoVMMasterPlan initializeTornadoVMPlan(State state, Llama mod
         // Record time after warmup
         if (ENABLE_TORNADOVM_INIT_TIME) {
             warmupTime = System.nanoTime();
-            System.err.printf("JIT warmup completed: %.2f ms\n", (warmupTime - planCreationTime) / 1_000_000.0);
+            System.err.printf("Java to GPU JIT compiler warmup: %.2f ms\n", (warmupTime - planCreationTime) / 1_000_000.0);
         }
 
         // 3. Perform copy-in of read-only weights and objects
@@ -76,8 +76,8 @@ public static TornadoVMMasterPlan initializeTornadoVMPlan(State state, Llama mod
         // Record final timing information
         if (ENABLE_TORNADOVM_INIT_TIME) {
             long copyTime = System.nanoTime();
-            System.err.printf("Read-only weight transfer to GPU: %.2f ms\n", (copyTime - warmupTime) / 1_000_000.0);
-            System.err.printf("Total TornadoVM initialization: %.2f ms\n\n", (copyTime - startTime) / 1_000_000.0);
+            System.err.printf("Transfer read-only weights to GPU: %.2f ms\n", (copyTime - warmupTime) / 1_000_000.0);
+            System.err.printf("Finished TornadoVM initialization...\n \n");
         }
 
         return tornadoVMPlan;