From 5c136c20b900b75756e9311da95de8c0f53361d4 Mon Sep 17 00:00:00 2001
From: Christos Choutouridis <hoo2@hoo2.net>
Date: Mon, 17 Feb 2025 00:11:13 +0200
Subject: [PATCH] HW3: RC4 - Ampere/Gpu measurements version

---
 homework_3/src/config.h |  5 ++++-
 homework_3/src/main.cpp | 24 ++++++++++++++----------
 2 files changed, 18 insertions(+), 11 deletions(-)

diff --git a/homework_3/src/config.h b/homework_3/src/config.h
index c2e9e0b..6dd5627 100644
--- a/homework_3/src/config.h
+++ b/homework_3/src/config.h
@@ -16,8 +16,11 @@
 /*
  * Versioning:
  * - RC1: First version to test on HPC
+ * - RC2: A prephase added for v1 and v2
+ * - RC3: V2 code refactor version measurements  ** Not in the master branch
+ * - RC4: Measurements version
  */
-static constexpr char version[] = "0.1";
+static constexpr char version[] = "0.4";
 
 /*
  * Defines for different version of the exercise
diff --git a/homework_3/src/main.cpp b/homework_3/src/main.cpp
index ebd3c3b..09d2fbe 100644
--- a/homework_3/src/main.cpp
+++ b/homework_3/src/main.cpp
@@ -175,18 +175,22 @@ bool validator(DataT& data) {
 void init(int* argc, char*** argv) {
 
     // Get device configuration
-    if (cudaGetDeviceProperties(&device, 0) != cudaSuccess)
-        throw std::runtime_error("[CUDA] - Can not read GPU");
-
-    config.blockSize = static_cast<size_t>(device.maxThreadsPerBlock);
+    if (cudaGetDeviceProperties(&device, 0) == cudaSuccess){
+        config.blockSize = static_cast<size_t>(device.maxThreadsPerBlock);
 
-    // try to read command line
-    if (!get_options(*argc, *argv))
-        exit(1);
+        // try to read command line
+        if (!get_options(*argc, *argv))
+            exit(1);
 
-    // Prepare vector and timing data
-    Data.resize(config.arraySize);
-    measurements_init();
+        // Prepare vector and timing data
+        Data.resize(config.arraySize);
+        measurements_init();
+    }
+    else {
+        // try to read command line for -h or --version
+        get_options(*argc, *argv);
+        throw std::runtime_error("[CUDA] - Can not read GPU");
+    }
 }
 
 #if !defined TESTING