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From: Akhil Goyal <akhil.goyal@nxp.com>
To: Pablo de Lara <pablo.de.lara.guarch@intel.com>,
	<declan.doherty@intel.com>, <fiona.trahe@intel.com>,
	<deepak.k.jain@intel.com>, <john.griffin@intel.com>,
	<jerin.jacob@caviumnetworks.com>, <hemant.agrawal@nxp.com>
Cc: <dev@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH 6/6] app/crypto-perf: use single mempool
Date: Wed, 30 Aug 2017 14:00:46 +0530	[thread overview]
Message-ID: <d629f6be-c9dd-9dd6-1a18-92cd50968aeb@nxp.com> (raw)
In-Reply-To: <20170818080520.43088-7-pablo.de.lara.guarch@intel.com>

Hi Pablo,
On 8/18/2017 1:35 PM, Pablo de Lara wrote:
> In order to improve memory utilization, a single mempool
> is created, containing the crypto operation and mbufs
> (one if operation is in-place, two if out-of-place).
> This way, a single object is allocated and freed
> per operation, reducing the amount of memory in cache,
> which improves scalability.
> 
> Signed-off-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
> ---
>   app/test-crypto-perf/cperf_ops.c             |  96 ++++++--
>   app/test-crypto-perf/cperf_ops.h             |   2 +-
>   app/test-crypto-perf/cperf_test_latency.c    | 350 ++++++++++++--------------
>   app/test-crypto-perf/cperf_test_throughput.c | 347 ++++++++++++--------------
>   app/test-crypto-perf/cperf_test_verify.c     | 356 ++++++++++++---------------
>   5 files changed, 553 insertions(+), 598 deletions(-)
> 
NACK.
This patch replaces rte_pktmbuf_pool_create with the rte_mempool_create 
for mbufs, which is not a preferred way to allocate memory for pktmbuf.

Any example/test application in DPDK should not be using this, as this 
kind of usages will  not be compatible for all dpdk drivers in general.

This kind of usages of rte_mempool_create will not work for any devices 
using hw offloaded memory pools for pktmbuf.
one such example is dpaa2.

-Akhil

  reply	other threads:[~2017-08-30  8:30 UTC|newest]

Thread overview: 49+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-08-18  8:05 [dpdk-dev] [PATCH 0/6] Crypto-perf app improvements Pablo de Lara
2017-08-18  8:05 ` [dpdk-dev] [PATCH 1/6] app/crypto-perf: set AAD after the crypto operation Pablo de Lara
2017-08-18  8:05 ` [dpdk-dev] [PATCH 2/6] app/crypto-perf: parse AEAD data from vectors Pablo de Lara
2017-08-18  8:05 ` [dpdk-dev] [PATCH 3/6] app/crypto-perf: parse segment size Pablo de Lara
2017-08-18  8:05 ` [dpdk-dev] [PATCH 4/6] app/crypto-perf: overwrite mbuf when verifying Pablo de Lara
2017-08-18  8:05 ` [dpdk-dev] [PATCH 5/6] app/crypto-perf: do not populate the mbufs at init Pablo de Lara
2017-08-18  8:05 ` [dpdk-dev] [PATCH 6/6] app/crypto-perf: use single mempool Pablo de Lara
2017-08-30  8:30   ` Akhil Goyal [this message]
     [not found]     ` <9F7182E3F746AB4EA17801C148F3C60433039119@IRSMSX101.ger.corp.intel.com>
2017-09-11 11:08       ` De Lara Guarch, Pablo
2017-09-11 13:10         ` Shreyansh Jain
2017-09-11 13:56           ` De Lara Guarch, Pablo
2017-09-04 13:08 ` [dpdk-dev] [PATCH 0/6] Crypto-perf app improvements Zhang, Roy Fan
2017-09-13  7:20 ` [dpdk-dev] [PATCH v2 0/7] " Pablo de Lara
2017-09-13  7:20   ` [dpdk-dev] [PATCH v2 1/7] app/crypto-perf: set AAD after the crypto operation Pablo de Lara
2017-09-13  7:20   ` [dpdk-dev] [PATCH v2 2/7] app/crypto-perf: parse AEAD data from vectors Pablo de Lara
2017-09-13  7:20   ` [dpdk-dev] [PATCH v2 3/7] app/crypto-perf: parse segment size Pablo de Lara
2017-09-13  7:20   ` [dpdk-dev] [PATCH v2 4/7] app/crypto-perf: overwrite mbuf when verifying Pablo de Lara
2017-09-13  7:20   ` [dpdk-dev] [PATCH v2 5/7] app/crypto-perf: do not populate the mbufs at init Pablo de Lara
2017-09-22  7:55   ` [dpdk-dev] [PATCH v3 0/7] Crypto-perf app improvements Pablo de Lara
2017-09-22  7:55     ` [dpdk-dev] [PATCH v3 1/7] app/crypto-perf: set AAD after the crypto operation Pablo de Lara
2017-09-22  7:55     ` [dpdk-dev] [PATCH v3 2/7] app/crypto-perf: parse AEAD data from vectors Pablo de Lara
2017-09-22  7:55     ` [dpdk-dev] [PATCH v3 3/7] app/crypto-perf: parse segment size Pablo de Lara
2017-09-22  7:55     ` [dpdk-dev] [PATCH v3 4/7] app/crypto-perf: overwrite mbuf when verifying Pablo de Lara
2017-09-22  7:55     ` [dpdk-dev] [PATCH v3 5/7] app/crypto-perf: do not populate the mbufs at init Pablo de Lara
2017-09-22  7:55     ` [dpdk-dev] [PATCH v3 6/7] app/crypto-perf: support multiple queue pairs Pablo de Lara
2017-09-26  8:42       ` Akhil Goyal
2017-10-04 10:25         ` De Lara Guarch, Pablo
2017-09-22  7:55     ` [dpdk-dev] [PATCH v3 7/7] app/crypto-perf: use single mempool Pablo de Lara
2017-09-26  9:21       ` Akhil Goyal
2017-10-04  7:47         ` De Lara Guarch, Pablo
2017-10-04  3:46     ` [dpdk-dev] [PATCH v4 0/8] Crypto-perf app improvements Pablo de Lara
2017-10-04  3:46       ` [dpdk-dev] [PATCH v4 1/8] app/crypto-perf: refactor common test code Pablo de Lara
2017-10-04  3:46       ` [dpdk-dev] [PATCH v4 2/8] app/crypto-perf: set AAD after the crypto operation Pablo de Lara
2017-10-04  3:46       ` [dpdk-dev] [PATCH v4 3/8] app/crypto-perf: parse AEAD data from vectors Pablo de Lara
2017-10-04  3:46       ` [dpdk-dev] [PATCH v4 4/8] app/crypto-perf: parse segment size Pablo de Lara
2017-10-04  3:46       ` [dpdk-dev] [PATCH v4 5/8] app/crypto-perf: overwrite mbuf when verifying Pablo de Lara
2017-10-04  3:46       ` [dpdk-dev] [PATCH v4 6/8] app/crypto-perf: do not populate the mbufs at init Pablo de Lara
2017-10-04  3:46       ` [dpdk-dev] [PATCH v4 7/8] app/crypto-perf: support multiple queue pairs Pablo de Lara
2017-10-04  3:46       ` [dpdk-dev] [PATCH v4 8/8] app/crypto-perf: use single mempool Pablo de Lara
2017-10-06 11:57       ` [dpdk-dev] [PATCH v4 0/8] Crypto-perf app improvements Akhil Goyal
2017-10-06 12:50       ` De Lara Guarch, Pablo
2017-09-13  7:22 ` [dpdk-dev] [PATCH v2 0/7] " Pablo de Lara
2017-09-13  7:22   ` [dpdk-dev] [PATCH v2 1/7] app/crypto-perf: set AAD after the crypto operation Pablo de Lara
2017-09-13  7:22   ` [dpdk-dev] [PATCH v2 2/7] app/crypto-perf: parse AEAD data from vectors Pablo de Lara
2017-09-13  7:22   ` [dpdk-dev] [PATCH v2 3/7] app/crypto-perf: parse segment size Pablo de Lara
2017-09-13  7:22   ` [dpdk-dev] [PATCH v2 4/7] app/crypto-perf: overwrite mbuf when verifying Pablo de Lara
2017-09-13  7:22   ` [dpdk-dev] [PATCH v2 5/7] app/crypto-perf: do not populate the mbufs at init Pablo de Lara
2017-09-13  7:22   ` [dpdk-dev] [PATCH v2 6/7] app/crypto-perf: support multiple queue pairs Pablo de Lara
2017-09-13  7:22   ` [dpdk-dev] [PATCH v2 7/7] app/crypto-perf: use single mempool Pablo de Lara

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