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SubjectRe: 2463a604a8: netperf.Throughput_tps 12.8% improvement
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On 5/24/21 11:44 PM, kernel test robot wrote:
> FYI, we noticed a 12.8% improvement of netperf.Throughput_tps due to commit:
>
> commit: 2463a604a86728777ce4284214a52de46a808c9e ("[PATCH v3 2/3] Introduce enums for the SAM, message, host and driver status codes")
> url: https://github.com/0day-ci/linux/commits/Bart-Van-Assche/Introduce-enums-for-SCSI-status-codes/20210524-105751
> base: https://git.kernel.org/cgit/linux/kernel/git/mkp/scsi.git for-next
>
> in testcase: netperf
> on test machine: 192 threads 4 sockets Intel(R) Xeon(R) Platinum 9242 CPU @ 2.30GHz with 192G memory
> with following parameters:
>
> ip: ipv4
> runtime: 300s
> nr_threads: 16
> cluster: cs-localhost
> test: TCP_CRR
> cpufreq_governor: performance
> ucode: 0x5003006
>
> test-description: Netperf is a benchmark that can be use to measure various aspect of networking performance.
> test-url: http://www.netperf.org/netperf/

The above email reports a performance improvement for the networking
subsystem while my patch only affects the SCSI subsystem and should not
have any performance impact. I'm confused by the above feedback ...

Bart.

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