From: Adrien Mazarguil <adrien.mazarguil@6wind.com>
To: Yaacov Hazan <yaacovh@mellanox.com>
Cc: dev@dpdk.org
Subject: Re: [PATCH] mlx5: fix RETA table size
Date: Thu, 31 Mar 2016 10:58:52 +0200 [thread overview]
Message-ID: <20160331085852.GK27079@6wind.com> (raw)
In-Reply-To: <1459351639-18375-1-git-send-email-yaacovh@mellanox.com>
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 <yaacovh@mellanox.com>
> ---
> 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
next prev parent reply other threads:[~2016-03-31 8:59 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-30 15:27 [PATCH] mlx5: fix RETA table size Yaacov Hazan
2016-03-31 8:58 ` Adrien Mazarguil [this message]
2016-03-31 9:21 ` [PATCH v2] " Yaacov Hazan
2016-03-31 9:36 ` Adrien Mazarguil
2016-03-31 13:00 ` Thomas Monjalon
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