From mboxrd@z Thu Jan 1 00:00:00 1970 From: Adrien Mazarguil Subject: Re: [PATCH] mlx5: fix RETA table size Date: Thu, 31 Mar 2016 10:58:52 +0200 Message-ID: <20160331085852.GK27079@6wind.com> References: <1459351639-18375-1-git-send-email-yaacovh@mellanox.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: dev@dpdk.org To: Yaacov Hazan Return-path: Received: from mail-wm0-f45.google.com (mail-wm0-f45.google.com [74.125.82.45]) by dpdk.org (Postfix) with ESMTP id 75D34569A for ; Thu, 31 Mar 2016 10:59:06 +0200 (CEST) Received: by mail-wm0-f45.google.com with SMTP id p65so105172219wmp.0 for ; Thu, 31 Mar 2016 01:59:06 -0700 (PDT) Content-Disposition: inline In-Reply-To: <1459351639-18375-1-git-send-email-yaacovh@mellanox.com> List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Yaacov, On Wed, Mar 30, 2016 at 06:27:19PM +0300, Yaacov Hazan wrote: > Change RETA table size to use 256 entries for better performance. > > Fixes: ebb30ec64a68 ("mlx5: increase RETA table size") > > Signed-off-by: Yaacov Hazan > --- > drivers/net/mlx5/mlx5_defs.h | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/net/mlx5/mlx5_defs.h b/drivers/net/mlx5/mlx5_defs.h > index 195440c..09207d9 100644 > --- a/drivers/net/mlx5/mlx5_defs.h > +++ b/drivers/net/mlx5/mlx5_defs.h > @@ -52,7 +52,7 @@ > #define MLX5_PMD_TX_PER_COMP_REQ 64 > > /* RSS Indirection table size. */ > -#define RSS_INDIRECTION_TABLE_SIZE 512 > +#define RSS_INDIRECTION_TABLE_SIZE 256 Can you describe how using a smaller indirection table size improves performance? Thanks. -- Adrien Mazarguil 6WIND