From: Ali Alnubani <alialnu@OSS.NVIDIA.COM>
To: <dts@dpdk.org>, <lijuan.tu@intel.com>
Cc: <dpdklab@iol.unh.edu>
Subject: [dts] [PATCH] tests/nic_single_core_perf: set burst and mbcache for ConnectX nics
Date: Thu, 17 Jun 2021 18:53:24 +0300 [thread overview]
Message-ID: <20210617155324.9192-1-alialnu@nvidia.com> (raw)
Setting burst and mbcache improves performance and reduces fluctuations.
Signed-off-by: Ali Alnubani <alialnu@nvidia.com>
---
tests/TestSuite_nic_single_core_perf.py | 3 +++
1 file changed, 3 insertions(+)
diff --git a/tests/TestSuite_nic_single_core_perf.py b/tests/TestSuite_nic_single_core_perf.py
index 5083831d..dee189e5 100644
--- a/tests/TestSuite_nic_single_core_perf.py
+++ b/tests/TestSuite_nic_single_core_perf.py
@@ -248,6 +248,9 @@ class TestNicSingleCorePerf(TestCase):
param += " --rxq=1 --txq=1"
# workaround for that testpmd can't forward packets in io forward mode
param += " --port-topology=loop"
+ # improves performance and reduces fluctuations
+ elif self.nic in ['ConnectX5_MT4121', 'ConnectX4_LX_MT4117']:
+ param += " --burst=64 --mbcache=512"
self.throughput[fwd_config] = dict()
for frame_size in list(self.test_parameters[fwd_config].keys()):
--
2.17.1
next reply other threads:[~2021-06-17 15:54 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-17 15:53 Ali Alnubani [this message]
2021-06-25 2:12 ` Tu, Lijuan
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