Re: [PATCH] Add prefetches in net/ipv4/route.c

To:	dada1@xxxxxxxxxxxxx
Subject:	Re: [PATCH] Add prefetches in net/ipv4/route.c
From:	"David S. Miller" <davem@xxxxxxxxxxxxx>
Date:	Thu, 28 Jul 2005 12:39:22 -0700 (PDT)
Cc:	netdev@xxxxxxxxxxx
In-reply-to:	<42E8FF24.9070009@cosmosbay.com>
References:	<20050704.160140.21591849.davem@davemloft.net> <42CA390C.9000801@cosmosbay.com> <42E8FF24.9070009@cosmosbay.com>
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From: Eric Dumazet <dada1@xxxxxxxxxxxxx>
Date: Thu, 28 Jul 2005 17:52:04 +0200

> [NET] : Adds prefetches in route hash list traversals.
>
> The actual code doesnt use a prefetch enabled macro like
> list_for_each_rcu(), so manually add prefetch() hints.

and the measured performance improvement is?

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Re: [PATCH] loop unrolling in net/sched/sch_generic.c, (continued) Re: [PATCH] loop unrolling in net/sched/sch_generic.c, Thomas Graf Re: [PATCH] loop unrolling in net/sched/sch_generic.c, David S. Miller Re: [PATCH] loop unrolling in net/sched/sch_generic.c, Thomas Graf Re: [PATCH] loop unrolling in net/sched/sch_generic.c, David S. Miller Message not available Re: [PATCH] loop unrolling in net/sched/sch_generic.c, David S. Miller Re: [PATCH] loop unrolling in net/sched/sch_generic.c, Eric Dumazet Re: [PATCH] loop unrolling in net/sched/sch_generic.c, Arnaldo Carvalho de Melo Re: [PATCH] loop unrolling in net/sched/sch_generic.c, David S. Miller Re: [PATCH] loop unrolling in net/sched/sch_generic.c, David S. Miller [PATCH] Add prefetches in net/ipv4/route.c, Eric Dumazet Re: [PATCH] Add prefetches in net/ipv4/route.c, David S. Miller <= Re: [PATCH] Add prefetches in net/ipv4/route.c, Eric Dumazet Re: [PATCH] Add prefetches in net/ipv4/route.c, David S. Miller Re: [PATCH] Add prefetches in net/ipv4/route.c, Eric Dumazet Re: [PATCH] Add prefetches in net/ipv4/route.c, David S. Miller Re: [PATCH] Add prefetches in net/ipv4/route.c, Robert Olsson Re: [PATCH] Add prefetches in net/ipv4/route.c, Rick Jones Re: [PATCH] Add prefetches in net/ipv4/route.c, Robert Olsson Re: [PATCH] Add prefetches in net/ipv4/route.c, Eric Dumazet Re: [PATCH] Add prefetches in net/ipv4/route.c, Rick Jones Re: [PATCH] Add prefetches in net/ipv4/route.c, David S. Miller

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