Changeset 469 for trunk/user/sort

Timestamp:

Aug 20, 2018, 1:04:16 PM (6 years ago)

Author:

alain

Message:

1) Introduce the libsemaphore library.
2) Introduce a small libmath library, required by the "fft" application..
3) Introduce the multithreaded "fft" application.
4) Fix a bad synchronisation bug in the Copy-On-Write mechanism.

File:

• trunk/user/sort/sort.c (modified) (2 diffs)

trunk/user/sort/sort.c

@@ -28 +28 @@
 #include <hal_macros.h>
 
-#define ARRAY_LENGTH        0x400    // 1024 values
+#define ARRAY_LENGTH        0x100    // 256 values
 
 #define MAX_THREADS         1024     // 16 * 16 * 4
@@ -250 +250 @@
     }
 
-    get_cycle( &cycle );
-    printf("\n\n[SORT] main starts on core[%x,%d] / %d threads / %d values / cycle %d\n",
-    main_cxy, main_lid, threads, ARRAY_LENGTH, (unsigned int)cycle );
+    printf("\n[SORT] main starts on core[%x,%d] / %d thread(s) / %d values\n",
+    main_cxy, main_lid, threads, ARRAY_LENGTH );
 
     // Barrier initialization