Comparison of FreeBSD/Linux TCP Throughput performance
István
leccine at gmail.com
Fri Oct 16 12:28:39 UTC 2009
I see.
It shows that linux default setup is better.
Have you seen any FreeBSD performance tuning guides?
Regards,
Istvan
2009/10/16 Hongtao Yin <htyin at huawei.com>
> Istvan,
>
>
>
> I ran newer FreeBSD code 8.0 RC1 this time. By using NetPIPE, we collecte=
d
> test data and the result shows that FreeBSD TCP performance is worse than
> Linux. I got troubles to plot using gnuplot, so here I am attaching the r=
aw
> data files.
>
> The netpipe commands are as follows:
>
> PC2: #NPtcp
>
> PC1: #NPtcp =A8Ch 192.168.1.20
>
>
>
> Regards,
>
> Hongtao
>
>
>
>
>
>
> ------------------------------
>
> *From:* Istv=A8=A2n [mailto:leccine at gmail.com]
> *Sent:* 2009=C4=EA10=D4=C215=C8=D5 5:13
>
> *To:* Hongtao Yin
> *Cc:* freebsd-performance at freebsd.org
> *Subject:* Re: Comparison of FreeBSD/Linux TCP Throughput performance
>
>
>
> use netpipe TCP pls.
>
>
>
> And graph it.
>
>
>
> Thanks in advance,
>
> Istvan
>
> On Thu, Oct 15, 2009 at 2:42 AM, Hongtao Yin <htyin at huawei.com> wrote:
>
> Hi,
>
>
>
> I compared TCP performance between FreeBSD and Linux by running test tool=
s
> Netperf and Iperf with Intel NIC.
>
> The kernels are full version and default values are used in the testing
> except TCP Congestion Control algorithm set to Reno.
>
> >From the test results we can see Linux TCP performance in throughput is
> better than FreeBSD. The worst case (send msg size 128) shows that FreeBS=
D
> throughput is only 43% of Linux's.
>
>
>
> I like to get some feedback if anyone did similar comparison test, or kno=
ws
> any issues with kernels or drivers. Thanks lot.
>
>
>
> FreeBSD and Linux Sysctl captures are attached for reference.
>
>
>
> Regards,
>
> Hongtao
>
>
>
>
>
>
>
> Test Environments:
>
> PC: Dell Precision T3400 (same 4 PCs)
>
> CPU: Intel Core 2 Duo CPU E4600 at 2.4Ghz
>
> FreeBSD: V7.1 (full version) (TCP CC: newReno)
>
> Linux: V2.6.31.1 (full version) (TCP CC: Reno)
>
> Ethernet card: Intel Pro/1000 PWLA8492 MT Dual Port Server Adapter
> (Gigabit)
> chip 82546EB (only one port used for each PC)
>
> Switch: Netgear ProSafe 8 port Gigabit Switch (model GS108)
>
> Iperf: V2.0.4
>
> Netperf: V2.4.4
>
>
>
> Setup:
>
>
>
>
>
> ----------
>
> | switch |
>
> ----------
>
> ---------------------| | | |--------------------
>
> | | | |
>
> | --------| |-------- |
>
> | | | |
>
> | | | |
>
> -------------- -------------- -------------- --------------
>
> | PC1 | | PC2 | | PC3 | | PC4 |
>
> | FreeBSD | | FreeBSD | | Linux | | Linux |
>
> |192.168.1.10| |192.168.1.20| |192.168.1.30| |192.168.1.40|
>
> -------------- -------------- -------------- --------------
>
>
>
>
>
>
>
>
>
>
>
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D
>
> Netperf Test Results
>
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D
>
>
>
> TCP Throughput Test
>
> -------------------
>
>
>
> PC2/4: #netserver -p 22113
>
> PC1/3: #netperf -H 192.168.1.20 -p 22113 -l 10
>
>
>
> Recv Send Send Elapsed
> Throughput
>
> Socket Socket Message Time
> 10^6 bits/sec
>
> Size Size Size Sec.
>
> bytes bytes bytes
>
> FreeBSD: 65536 32768 32768 10.34
> 598.11
>
> Linux: 87380 16384 16384 10.04
> 779.02
>
>
>
>
>
> PC1/3: #netperf -t TCP_STREAM -H 192.168.1.20 -p 22113 -- -m
> 64/128/256/512/1024/2048/4096
>
>
>
> Recv Send Send Elapsed
> Throughput
>
> Socket Socket Message Time
> 10^6 bits/sec
>
> Size Size Size Sec.
>
> bytes bytes bytes
>
> FreeBSD: 65536 32768 64 10.19
> 417.10
>
> 65536 32768 128 10.35
> 336.63
>
> 65536 32768 256 10.36
> 576.99
>
> 65536 32768 512 10.35
> 569.79
>
> 65536 32768 1024 10.35
> 553.70
>
> 65536 32768 2048 10.35
> 584.20
>
> 65536 32768 4096 10.35
> 602.45
>
>
>
> Linux: 87380 16384 64 10.03
> 778.21
>
> 87380 16384 128 10.03
> 779.72
>
> 87380 16384 256 10.04
> 780.16
>
> 87380 16384 512 10.03
> 776.85
>
> 87380 16384 1024 10.04
> 777.52
>
> 87380 16384 2048 10.04
> 777.83
>
> 87380 16384 4096 10.03
> 780.17
>
>
>
>
>
>
>
>
>
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D
>
> Iperf Test Results
>
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D
>
>
>
> Bandwidth Test
>
> --------------
>
>
>
> PC2/4: #iperf -s
>
> PC1/3: #iperf -c 192.168.1.20
>
>
>
> Interval Transfer Bandwidth
>
> sec MBytes Mbits/sec
>
> FreeBSD: 0.0-10.3 740 600
>
> Linux: 0.0-10.0 972 815
>
>
>
>
>
> PC1/3: #iperf -c 192.168.1.20 -d
>
>
>
> Interval Transfer Bandwidth
>
> sec MBytes Mbits/sec
>
> FreeBSD: 0.0-10.0 402 337
>
> 0.0-10.0 404 338
>
>
>
> Linux: 0.0-10.0 926 776
>
> 0.0-10.0 44.1 36.9
>
>
>
>
>
> Parallel Test
>
> -------------
>
>
>
> PC2/4: #iperf -s
>
> PC1/3: #iperf -c 192.168.1.20 -P 2
>
>
>
> Interval Transfer Bandwidth
>
> sec MBytes Mbits/sec
>
> FreeBSD: 0.0-10.3 370 300
>
> 0.0-10.3 370 300
>
> SUM: 0.0-10.3 739 600
>
>
>
> Linux: 0.0-10.0 479 402
>
> 0.0-10.0 473 396
>
> SUM: 0.0-10.0 952 797
>
>
>
>
>
>
>
>
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