From: Thomas Monjalon <thomas@monjalon.net>
To: Herbert Guan <herbert.guan@arm.com>
Cc: dev@dpdk.org, Jianbo Liu <jianbo.liu@arm.com>,
bruce.richardson@intel.com, konstantin.ananyev@intel.com,
phil.yang@arm.com
Subject: Re: [dpdk-dev] [PATCH] test: provide performance difference ratio and test time
Date: Tue, 07 Nov 2017 18:20:10 +0100 [thread overview]
Message-ID: <1687163.1yR7dAqtFt@xps> (raw)
In-Reply-To: <20171026062338.GA14312@arm.com>
26/10/2017 08:23, Jianbo Liu:
> The 10/25/2017 15:13, Herbert Guan wrote:
> > The printed time values presented in TSC is not straight forward
> > showing the performance difference. And if the high resolution
> > counter is not enabled, time value is too small to show the actual
> > performance (e.g. "1 - 1" seems the same but in fact the perfomance
> > diffs by 50% or more).
> > With the performance difference ratio caculated and printed, it'll be
> > easier for people to read and compare the performance between
> > rte_memcpy() and memcpy().
> > Since the TSC values' units may diff a lot on different platforms,
> > the total execution time of aligned/unaligned memcpy test are
> > provided to allow comparation between platforms.
> >
> > Signed-off-by: Herbert Guan <herbert.guan@arm.com>
>
> Acked-by: Jianbo Liu <jianbo.liu@arm.com>
Applied, thanks
next prev parent reply other threads:[~2017-11-07 17:20 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-25 7:13 Herbert Guan
2017-10-26 6:23 ` Jianbo Liu
2017-11-07 17:20 ` Thomas Monjalon [this message]
[not found] <1508726101-13009-1-git-send-email-herbert.guan@arm.com>
2017-10-24 2:58 ` Jianbo Liu
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