From: "De Lara Guarch, Pablo" <pablo.de.lara.guarch@intel.com>
To: Robert Sanford <rsanford2@gmail.com>, "dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH v3 0/2] malloc: fix malloc and free linear complexity
Date: Tue, 24 Jun 2014 14:55:08 +0000 [thread overview]
Message-ID: <E115CCD9D858EF4F90C690B0DCB4D8971A773DD9@IRSMSX103.ger.corp.intel.com> (raw)
In-Reply-To: <1403558230-40042-1-git-send-email-rsanford2@gmail.com>
> -----Original Message-----
> From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Robert Sanford
> Sent: Monday, June 23, 2014 10:17 PM
> To: dev@dpdk.org
> Subject: [dpdk-dev] [PATCH v3 0/2] malloc: fix malloc and free linear
> complexity
>
> Comments on previous versions of this patch:
> http://dpdk.org/ml/archives/dev/2014-May/002297.html
> http://dpdk.org/ml/archives/dev/2014-June/003518.html
>
> Additional changes from original to v3:
> * Reduce the minimum-sized block that we put on a free list when
> splitting a larger block, from 192 to 64. Although memory is
> plentiful, why waste 64 and 128-byte (plus overhead) blocks?
>
> -#define MIN_DATA_SIZE (CACHE_LINE_SIZE * 2)
> +#define MIN_DATA_SIZE (CACHE_LINE_SIZE)
>
> - if (old_elem_size <= MALLOC_ELEM_OVERHEAD + MIN_DATA_SIZE){
> + if (old_elem_size < MALLOC_ELEM_OVERHEAD + MIN_DATA_SIZE){
>
> - if (elem->size - new_size > MIN_DATA_SIZE +
> MALLOC_ELEM_OVERHEAD){
> + if (elem->size - new_size >= MIN_DATA_SIZE +
> MALLOC_ELEM_OVERHEAD){
>
> Changes from v2 to v3:
> * Change the size ranges of the five free lists per heap. The first
> list will effectively contain blocks of size [64,256].
Acked-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
Thanks,
Pablo
next prev parent reply other threads:[~2014-06-24 14:54 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-16 12:59 [dpdk-dev] [PATCH v2] " rsanford2
2014-06-17 16:05 ` De Lara Guarch, Pablo
2014-06-17 16:29 ` Robert Sanford
2014-06-23 21:17 ` [dpdk-dev] [PATCH v3 0/2] " Robert Sanford
2014-06-24 14:55 ` De Lara Guarch, Pablo [this message]
2014-06-26 12:37 ` Thomas Monjalon
2014-06-23 21:17 ` [dpdk-dev] [PATCH v3 1/2] " Robert Sanford
2014-06-23 21:17 ` [dpdk-dev] [PATCH v3 2/2] " Robert Sanford
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