Fixed bug in Tensor Cores V100 (1. Desc in Batch norm, 2. Manually selected algo).

Also fixed time measure on Linux for multi-threading.

src/utils.h

@@ -25,6 +25,7 @@
 #endif
 #endif
 
+double what_time_is_it_now();
 int *read_map(char *filename);
 void shuffle(void *arr, size_t n, size_t size);
 void sorta_shuffle(void *arr, size_t n, size_t size, size_t sections);