1 files changed, 9 insertions, 2 deletions
diff --git a/tools/test/cuda_drv_test.c b/tools/test/cuda_drv_test.c
index f3ee02f..ba8c20c 100644
--- a/tools/test/cuda_drv_test.c
+++ b/tools/test/cuda_drv_test.c
@@ -120,8 +120,15 @@ int main(void)
     memset(back, 0, sizeof(back));
     MARK("cuMemcpyDtoH");
     CHECK(cuMemcpyDtoH(back, dptr, sizeof(buf)));
-    printf("roundtrip %s (back[7]=%u expected 22)\n",
-           memcmp(buf, back, sizeof(buf)) ? "MISMATCH" : "match", back[7]);
+    {
+        size_t matched = 0;
+        for (i = 0; i < 64; i++)
+            if (buf[i] == back[i]) matched++;
+        printf("roundtrip %s matched=%zu/64 back[0..7]=%u,%u,%u,%u,%u,%u,%u,%u expected 1,4,7,10,13,16,19,22\n",
+               matched == 64 ? "match" : "MISMATCH", matched,
+               back[0], back[1], back[2], back[3],
+               back[4], back[5], back[6], back[7]);
+    }
 
     MARK("cuMemFree");
     CHECK(cuMemFree(dptr));