From: Bruce Richardson <bruce.richardson@intel.com>
To: Jerin Jacob <jerin.jacob@caviumnetworks.com>
Cc: dev@dpdk.org, viktorin@rehivetech.com
Subject: Re: [dpdk-dev] [RFC PATCH 0/2] Fix examples/distributor build issue for non x86
Date: Fri, 29 Jan 2016 08:03:37 -0700 [thread overview]
Message-ID: <20160129150337.GA18356@bricha3-MOBL3> (raw)
In-Reply-To: <20160129032140.GA25541@localhost.localdomain>
On Fri, Jan 29, 2016 at 08:51:41AM +0530, Jerin Jacob wrote:
> On Sun, Dec 06, 2015 at 08:54:28PM +0530, Jerin Jacob wrote:
> > Introduced rte_prefetch_non_temporal() to remove IA specific _mm_prefect(addr, 0)
> > gcc intrinsic and build examples/distributor for non 86 platform
>
> ping for review.
>
Is there much performance difference between making this a prefetch NT vs making
it an rte_prefetch0 on the platforms you have tested?
/Bruce
> >
> > Not sure the rte_prefetch_non_temporal mapping correct for
> > all the platforms. Architecture maintainers please check the mapping for
> > rte_prefetch_non_temporal() for specific architecures
> >
> > Jerin Jacob (2):
> > eal: introduce rte_prefetch_non_temporal
> > examples/distributor: remove IA specific __mm_prefetch
> >
> > examples/distributor/main.c | 9 +++++----
> > lib/librte_eal/common/include/arch/arm/rte_prefetch_32.h | 5 +++++
> > lib/librte_eal/common/include/arch/arm/rte_prefetch_64.h | 5 +++++
> > lib/librte_eal/common/include/arch/ppc_64/rte_prefetch.h | 5 +++++
> > lib/librte_eal/common/include/arch/tile/rte_prefetch.h | 5 +++++
> > lib/librte_eal/common/include/arch/x86/rte_prefetch.h | 5 +++++
> > lib/librte_eal/common/include/generic/rte_prefetch.h | 12 ++++++++++++
> > 7 files changed, 42 insertions(+), 4 deletions(-)
> >
> > --
> > 2.1.0
> >
next prev parent reply other threads:[~2016-01-29 15:03 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-06 15:24 Jerin Jacob
2015-12-06 15:24 ` [dpdk-dev] [PATCH 1/2] eal: introduce rte_prefetch_non_temporal Jerin Jacob
2016-02-11 11:00 ` Thomas Monjalon
2016-02-11 11:43 ` Jan Viktorin
2015-12-06 15:24 ` [dpdk-dev] [PATCH 2/2] examples/distributor: remove IA specific __mm_prefetch Jerin Jacob
2016-01-29 3:21 ` [dpdk-dev] [RFC PATCH 0/2] Fix examples/distributor build issue for non x86 Jerin Jacob
2016-01-29 15:03 ` Bruce Richardson [this message]
2016-01-29 16:53 ` Jerin Jacob
2016-02-12 11:13 ` [dpdk-dev] [PATCH v2 " Jerin Jacob
2016-02-12 11:13 ` [dpdk-dev] [PATCH v2 1/2] eal: introduce rte_prefetch_non_temporal Jerin Jacob
2016-02-12 11:13 ` [dpdk-dev] [PATCH v2 2/2] examples/distributor: remove IA specific __mm_prefetch Jerin Jacob
2016-02-16 6:28 ` [dpdk-dev] [PATCH v2 0/2] Fix examples/distributor build issue for non x86 Thomas Monjalon
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