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From: Stephen Hemminger <stephen@networkplumber.org>
To: Ruifeng Wang <ruifeng.wang@arm.com>
Cc: bruce.richardson@intel.com, vladimir.medvedkin@intel.com,
	dev@dpdk.org, honnappa.nagarahalli@arm.com, gavin.hu@arm.com,
	nd@arm.com
Subject: Re: [dpdk-dev] [PATCH v3 1/3] lib/lpm: not inline unnecessary functions
Date: Thu, 27 Jun 2019 08:24:51 -0700	[thread overview]
Message-ID: <20190627082451.56719392@hermes.lan> (raw)
In-Reply-To: <20190627093751.7746-1-ruifeng.wang@arm.com>

On Thu, 27 Jun 2019 17:37:49 +0800
Ruifeng Wang <ruifeng.wang@arm.com> wrote:

> Tests showed that the function inlining caused performance drop
> on some x86 platforms with the memory ordering patches applied.
> By force no-inline functions, the performance was better than
> before on x86 and no impact to arm64 platforms.
> 
> Suggested-by: Medvedkin Vladimir <vladimir.medvedkin@intel.com>
> Signed-off-by: Ruifeng Wang <ruifeng.wang@arm.com>
> Reviewed-by: Gavin Hu <gavin.hu@arm.com>
 {

Do you actually need to force noinline or is just taking of inline enough?
In general, letting compiler decide is often best practice.

  parent reply	other threads:[~2019-06-27 15:25 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-27  9:37 Ruifeng Wang
2019-06-27  9:37 ` [dpdk-dev] [PATCH v3 2/3] lib/lpm: memory orderings to avoid race conditions for v1604 Ruifeng Wang
2019-06-27  9:37 ` [dpdk-dev] [PATCH v3 3/3] lib/lpm: memory orderings to avoid race conditions for v20 Ruifeng Wang
2019-06-28 13:33   ` Medvedkin, Vladimir
2019-06-29 17:35     ` Honnappa Nagarahalli
2019-07-05 13:45       ` Alex Kiselev
2019-07-05 16:56         ` Medvedkin, Vladimir
2019-07-01  7:08     ` Ruifeng Wang (Arm Technology China)
2019-06-27 15:24 ` Stephen Hemminger [this message]
2019-06-28  2:44   ` [dpdk-dev] [PATCH v3 1/3] lib/lpm: not inline unnecessary functions Ruifeng Wang (Arm Technology China)
2019-06-28  4:34     ` Stephen Hemminger
2019-06-28  5:48       ` Ruifeng Wang (Arm Technology China)
2019-06-28 13:47       ` Medvedkin, Vladimir
2019-06-28 13:57         ` Honnappa Nagarahalli
2019-06-28 14:16           ` Medvedkin, Vladimir
2019-06-28 15:35             ` Stephen Hemminger
2019-07-01  6:44               ` Ruifeng Wang (Arm Technology China)
2019-07-05 10:40                 ` Medvedkin, Vladimir
2019-07-05 10:58                   ` Ruifeng Wang (Arm Technology China)
2019-07-05 10:31               ` Medvedkin, Vladimir
2019-07-05 13:37                 ` Alex Kiselev
2019-07-05 16:53                   ` Medvedkin, Vladimir
2019-06-28 13:38   ` Medvedkin, Vladimir

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