app/test: adjust alignment unit for memcpy performance
authorZhihong Wang <zhihong.wang@intel.com>
Mon, 18 Jan 2016 03:05:13 +0000 (22:05 -0500)
committerThomas Monjalon <thomas.monjalon@6wind.com>
Wed, 27 Jan 2016 20:16:07 +0000 (21:16 +0100)
Decide alignment unit for memcpy perf test based on predefined macros.

Signed-off-by: Zhihong Wang <zhihong.wang@intel.com>
app/test/test_memcpy_perf.c

index 754828e..73babec 100644 (file)
@@ -79,7 +79,13 @@ static size_t buf_sizes[TEST_VALUE_RANGE];
 #define TEST_BATCH_SIZE         100
 
 /* Data is aligned on this many bytes (power of 2) */
+#ifdef RTE_MACHINE_CPUFLAG_AVX512F
+#define ALIGNMENT_UNIT          64
+#elif RTE_MACHINE_CPUFLAG_AVX2
 #define ALIGNMENT_UNIT          32
+#else /* RTE_MACHINE_CPUFLAG */
+#define ALIGNMENT_UNIT          16
+#endif /* RTE_MACHINE_CPUFLAG */
 
 /*
  * Pointers used in performance tests. The two large buffers are for uncached