[dpdk-dev] [PATCH v2 4/5] app/test: Adjust alignment unit for memcpy perf test
Zhihong Wang
zhihong.wang at intel.com
Mon Jan 18 04:05:13 CET 2016
Decide alignment unit for memcpy perf test based on predefined macros.
Signed-off-by: Zhihong Wang <zhihong.wang at intel.com>
---
app/test/test_memcpy_perf.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/app/test/test_memcpy_perf.c b/app/test/test_memcpy_perf.c
index 754828e..73babec 100644
--- a/app/test/test_memcpy_perf.c
+++ b/app/test/test_memcpy_perf.c
@@ -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
--
2.5.0
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