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From: Bruce Richardson <bruce.richardson@intel.com>
To: Stephen Hemminger <stephen@networkplumber.org>
Cc: Marcin Zapolski <marcinx.a.zapolski@intel.com>, dev@dpdk.org
Subject: Re: [dpdk-dev] [RFC 19.11 1/2] ethdev: make DPDK core functions non-inline
Date: Tue, 30 Jul 2019 16:33:55 +0100	[thread overview]
Message-ID: <20190730153355.GB1689@bricha3-MOBL.ger.corp.intel.com> (raw)
In-Reply-To: <20190730082534.7f2138ee@hermes.lan>

On Tue, Jul 30, 2019 at 08:25:34AM -0700, Stephen Hemminger wrote:
> On Tue, 30 Jul 2019 14:49:49 +0200
> Marcin Zapolski <marcinx.a.zapolski@intel.com> wrote:
> 
> > Make rte_eth_rx_burst, rte_eth_tx_burst and other static inline ethdev
> > functions not inline. They are referencing DPDK internal structures and
> > inlining forces those structures to be exposed to user applications.
> > 
> > In internal testing with i40e NICs a performance drop of about 2% was
> > observed with testpmd.
> > 
> > Signed-off-by: Marcin Zapolski <marcinx.a.zapolski@intel.com>
> 
> Sorry 2% matters.

Note that this is with testpmd. Are there many apps out there where a 2%
drop in IO cost would be noticable?

  reply	other threads:[~2019-07-30 15:34 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-30 12:49 [dpdk-dev] [RFC 19.11 0/2] Hide DPDK internal struct from public API Marcin Zapolski
2019-07-30 12:49 ` [dpdk-dev] [RFC 19.11 1/2] ethdev: make DPDK core functions non-inline Marcin Zapolski
2019-07-30 15:01   ` Jerin Jacob Kollanukkaran
2019-07-30 15:32     ` Bruce Richardson
2019-07-30 15:25   ` Stephen Hemminger
2019-07-30 15:33     ` Bruce Richardson [this message]
2019-07-30 15:54       ` Stephen Hemminger
2019-07-30 16:04         ` Wiles, Keith
2019-07-30 16:11         ` Bruce Richardson
2019-07-30 16:23           ` Stephen Hemminger
2019-07-30 12:49 ` [dpdk-dev] [RFC 19.11 2/2] ethdev: hide DPDK internal struct from public API Marcin Zapolski
2019-07-30 14:53   ` Ferruh Yigit
2019-09-06 13:18 ` [dpdk-dev] [RFC 19.11 v2 0/3] Hide " Marcin Zapolski
2019-09-06 14:00   ` Bruce Richardson
2019-09-06 13:18 ` [dpdk-dev] [RFC 19.11 v2 1/3] ethdev: hide key ethdev structures " Marcin Zapolski
2019-09-06 14:37   ` Ferruh Yigit
2019-09-09  8:07     ` Zapolski, MarcinX A
2019-09-09  9:59       ` Ferruh Yigit
2019-09-09 10:02         ` Zapolski, MarcinX A
2019-09-09 10:24           ` Ferruh Yigit
2019-09-09 11:41             ` Zapolski, MarcinX A
2019-09-14 10:34             ` Jerin Jacob
2019-09-06 17:24   ` Stephen Hemminger
2019-09-09  9:01     ` Zapolski, MarcinX A
2019-09-10  9:59   ` Zapolski, MarcinX A
2019-09-10 10:06     ` Bruce Richardson
2019-09-10 10:13       ` Zapolski, MarcinX A
2019-09-10 12:19         ` Bruce Richardson
2019-09-10 12:22           ` Zapolski, MarcinX A
2019-09-06 13:18 ` [dpdk-dev] [RFC 19.11 v2 2/3] i40e: make driver compatible with changes in ethdev Marcin Zapolski
2019-09-06 13:18 ` [dpdk-dev] [RFC 19.11 v2 3/3] ixgbe: " Marcin Zapolski
2019-07-30 15:45 [dpdk-dev] [RFC 19.11 1/2] ethdev: make DPDK core functions non-inline Jerin Jacob Kollanukkaran
2019-07-30 16:05 ` Bruce Richardson

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