Increase minimum disk size to be able to benchmark 64MiB transfers, not 1MiB only

src/core/disk.h

@@ -18,7 +18,7 @@
 #ifndef __DISK_H__
 #define __DISK_H__
 
-#define SIZE_DISK_MIN (1024*1024)
+#define SIZE_DISK_MIN (64*1024*1024)
 
 #define STARPU_DISK_ALL 1
 #define STARPU_DISK_NO_RECLAIM 2