tests: a simple backend ut

Author: zhouwg

tests/simple-backend-ut.cpp

@@ -169,9 +169,6 @@ static void show_usage() {
 
 
 int main(int argc, char * argv[]) {
-    int64_t n_begin_time        = 0LL;
-    int64_t n_end_time          = 0LL;
-    int64_t n_duration          = 0LL;
     size_t  ctx_size            = 0;
     int     sizey               = 4;
     int     sizex               = 4;
@@ -211,27 +208,27 @@ int main(int argc, char * argv[]) {
 
     printf("Testing %zu devices\n\n", ggml_backend_dev_count());
     for (size_t i = 0; i < ggml_backend_dev_count(); i++) {
-            ggml_backend_dev_t dev = ggml_backend_dev_get(i);
+        ggml_backend_dev_t dev = ggml_backend_dev_get(i);
 
-            printf("Backend %zu/%zu: %s\n", i + 1, ggml_backend_dev_count(),
-                   ggml_backend_dev_name(dev));
+        printf("Backend %zu/%zu: %s\n", i + 1, ggml_backend_dev_count(),
+               ggml_backend_dev_name(dev));
 
-            if (ggml_backend_dev_type(dev) == GGML_BACKEND_DEVICE_TYPE_CPU) {
-                printf("  Skipping CPU backend\n");
-                continue;
-            }
+        if (ggml_backend_dev_type(dev) == GGML_BACKEND_DEVICE_TYPE_CPU) {
+            printf("  Skipping CPU backend\n");
+            continue;
+        }
 
-            backend = ggml_backend_dev_init(dev, reinterpret_cast<const char *>(i));
-            GGML_ASSERT(backend != NULL);
-            if (backend != nullptr) {
-                printf("%s: initialize %s backend\n", __func__, ggml_backend_dev_name(dev));
-            }
+        backend = ggml_backend_dev_init(dev, reinterpret_cast<const char *>(i));
+        GGML_ASSERT(backend != NULL);
+        if (backend != nullptr) {
+            printf("%s: initialize %s backend\n", __func__, ggml_backend_dev_name(dev));
+        }
 
-            printf("  Device description: %s\n", ggml_backend_dev_description(dev));
-            size_t free, total;
-            ggml_backend_dev_memory(dev, &free, &total);
-            printf("  Device memory: %zu MB (%zu MB free)\n", total / 1024 / 1024, free / 1024 / 1024);
-            printf("\n");
+        printf("  Device description: %s\n", ggml_backend_dev_description(dev));
+        size_t free, total;
+        ggml_backend_dev_memory(dev, &free, &total);
+        printf("  Device memory: %zu MB (%zu MB free)\n", total / 1024 / 1024, free / 1024 / 1024);
+        printf("\n");
     }
 
     ggml_backend_t backend_cpu = nullptr;
@@ -245,9 +242,6 @@ int main(int argc, char * argv[]) {
 
     printf("ggml op:%d(%s)", n_ggml_op_type, ggml_op_name((enum ggml_op) n_ggml_op_type));
 
-    n_begin_time = ggml_time_us();
-    srand(time(NULL));
-
     ctx_size += 1024 * 1024 * 32;
     printf("allocating Memory of size %zi bytes, %zi MB\n", ctx_size,
                     (ctx_size / 1024 / 1024));
@@ -332,9 +326,5 @@ int main(int argc, char * argv[]) {
     ggml_backend_free(backend);
     ggml_backend_free(backend_cpu);
 
-    n_end_time = ggml_time_us();
-    n_duration = (n_end_time - n_begin_time) / 1000;
-    printf("duration of ut GGML_OP_%s: %lld milliseconds\n", ggml_op_name((enum ggml_op)n_ggml_op_type), n_duration);
-
     return 0;
 }