On Mon, Jul 16, 2012 at 11:43:33PM +0300, Or Gerlitz wrote:
> On Mon, Jul 16, 2012 at 10:42 PM, Rick Jones <rick.jon...@hp.com> wrote:
>
> > I was thinking more along the lines of an additional comparison,
> > explicitly using netperf TCP_RR or something like it, not just the packets
> > per second from a bulk transfer test.
>
>
> TCP_STREAM from this setup before the patch would be good to know as well
>
Hi, Or.
Does the stream test that I did with uperf using messages of 64000 bytes
fit?
TCP_NODELAY does not make a difference in this case. I get something
around 3Gbps before the patch and something around 9Gbps after the
patch.
Before the patch:
# ./uperf-1.0.3-beta/src/uperf -m tcp.xml
Starting 16 threads running profile:tcp_stream ... 0.00 seconds
Txn1 0 /1.00(s) = 0 16op/s
Txn2 20.81GB /59.26(s) = 3.02Gb/s 5914op/s
Txn3 0 /0.00(s) = 0 128295op/s
-------------------------------------------------------------------------------------------------------------------------------
Total 20.81GB /61.37(s) = 2.91Gb/s 5712op/s
Netstat statistics for this run
-------------------------------------------------------------------------------------------------------------------------------
Nic opkts/s ipkts/s obits/s ibits/s
eth6 252459 31694 3.06Gb/s 16.74Mb/s
eth0 2 18 3.87Kb/s 14.28Kb/s
-------------------------------------------------------------------------------------------------------------------------------
Run Statistics
Hostname Time Data Throughput Operations
Errors
-------------------------------------------------------------------------------------------------------------------------------
10.0.0.2 61.47s 20.81GB 2.91Gb/s 350528
0.00
master 61.37s 20.81GB 2.91Gb/s 350528
0.00
-------------------------------------------------------------------------------------------------------------------------------
Difference(%) -0.16% 0.00% 0.16% 0.00%
0.00%
After the patch:
# ./uperf-1.0.3-beta/src/uperf -m tcp.xml
Starting 16 threads running profile:tcp_stream ... 0.00 seconds
Txn1 0 /1.00(s) = 0 16op/s
Txn2 64.50GB /60.27(s) = 9.19Gb/s 17975op/s
Txn3 0 /0.00(s) = 0
-------------------------------------------------------------------------------------------------------------------------------
Total 64.50GB /62.27(s) = 8.90Gb/s 17397op/s
Netstat statistics for this run
-------------------------------------------------------------------------------------------------------------------------------
Nic opkts/s ipkts/s obits/s ibits/s
eth6 769428 96018 9.31Gb/s 50.72Mb/s
eth0 1 15 2.48Kb/s 13.59Kb/s
-------------------------------------------------------------------------------------------------------------------------------
Run Statistics
Hostname Time Data Throughput Operations
Errors
-------------------------------------------------------------------------------------------------------------------------------
10.0.0.2 62.27s 64.36GB 8.88Gb/s 1081096
0.00
master 62.27s 64.50GB 8.90Gb/s 1083325
0.00
-------------------------------------------------------------------------------------------------------------------------------
Difference(%) -0.00% 0.21% 0.21% 0.21%
0.00%
Profile tcp.xml:
<?xml version="1.0"?>
<profile name="TCP_STREAM">
<group nthreads="16">
<transaction iterations="1">
<flowop type="connect" options="remotehost=10.0.0.2 protocol=tcp
tcp_nodelay"/>
</transaction>
<transaction duration="60">
<flowop type="write" options="count=160 size=64000"/>
</transaction>
<transaction iterations="1">
<flowop type="disconnect" />
</transaction>
</group>
</profile>
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