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From: Zhihong Wang <zhihong.wang@intel.com>
To: dev@dpdk.org
Subject: [PATCH 4/4] app/test: Adjust alignment unit for memcpy perf test
Date: Thu, 14 Jan 2016 01:13:22 -0500	[thread overview]
Message-ID: <1452752002-107586-5-git-send-email-zhihong.wang@intel.com> (raw)
In-Reply-To: <1452752002-107586-1-git-send-email-zhihong.wang@intel.com>

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 | 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

  parent reply	other threads:[~2016-01-14 13:16 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-01-14  6:13 [PATCH 0/4] Optimize memcpy for AVX512 platforms Zhihong Wang
2016-01-14  6:13 ` [PATCH 1/4] lib/librte_eal: Identify AVX512 CPU flag Zhihong Wang
2016-01-14  6:13 ` [PATCH 2/4] mk: Predefine AVX512 macro for compiler Zhihong Wang
2016-01-14  6:13 ` [PATCH 3/4] lib/librte_eal: Optimize memcpy for AVX512 platforms Zhihong Wang
2016-01-14  6:13 ` Zhihong Wang [this message]
2016-01-14 16:48 ` [PATCH 0/4] " Stephen Hemminger
2016-01-15  6:39   ` Wang, Zhihong
2016-01-15 22:03     ` Vincent JARDIN
2016-01-18  3:05 ` [PATCH v2 0/5] " Zhihong Wang
2016-01-18  3:05   ` [PATCH v2 1/5] lib/librte_eal: Identify AVX512 CPU flag Zhihong Wang
2016-01-18  3:05   ` [PATCH v2 2/5] mk: Predefine AVX512 macro for compiler Zhihong Wang
2016-01-18  3:05   ` [PATCH v2 3/5] lib/librte_eal: Optimize memcpy for AVX512 platforms Zhihong Wang
2016-01-18  3:05   ` [PATCH v2 4/5] app/test: Adjust alignment unit for memcpy perf test Zhihong Wang
2016-01-18  3:05   ` [PATCH v2 5/5] lib/librte_eal: Tune memcpy for prior platforms Zhihong Wang
2016-01-18 20:06   ` [PATCH v2 0/5] Optimize memcpy for AVX512 platforms Stephen Hemminger
2016-01-19  2:37     ` Wang, Zhihong
2016-01-27 15:23   ` Thomas Monjalon
2016-01-28  6:09     ` Wang, Zhihong
2016-01-27 15:30   ` Thomas Monjalon
2016-01-27 18:48     ` Ananyev, Konstantin
2016-01-27 20:18       ` Thomas Monjalon
2017-08-30  9:37   ` linhaifeng
2017-09-18  5:10     ` Wang, Zhihong

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