[dpdk-dev] [PATCH 0/7] net/mlx5: improve single core performance

Nélio Laranjeiro nelio.laranjeiro at 6wind.com
Wed Jan 18 10:23:21 CET 2017


On Wed, Jan 18, 2017 at 08:20:41AM +0100, Thomas Monjalon wrote:
> 2017-01-05 14:13, Ferruh Yigit:
> > On 11/24/2016 4:03 PM, Nelio Laranjeiro wrote:
> > > This series applies on top of
> > > "[PATCH] eal: define generic vector types" [1][2]
> > > 
> > > Using built-in vector types forces compilers to consider SIMD instructions in
> > > specific places in order to improve performance on both IBM POWER8 and Intel
> > > architectures.
> > > 
> > > For example, testpmd single-thread I/O forwarding packets per second
> > > performance is improved by 6% on Intel platforms.
> > > 
> > >  [1] http://dpdk.org/ml/archives/dev/2016-November/050261.html
> > >  [2] http://dpdk.org/dev/patchwork/patch/17024/
> > > 
> > > Nelio Laranjeiro (7):
> > >   net/mlx5: prepare Tx vectorization
> > >   net/mlx5: use work queue buffer as a raw buffer
> > >   net/mlx5: use vector types to speed up processing
> > >   net/mlx5: fix missing inline attributes
> > >   net/mlx5: move static prototype
> > >   net/mlx5: optimize copy of Ethernet header
> > >   net/mlx5: remove inefficient prefetching
> > 
> > Series applied to dpdk-next-net/master, thanks.
> 
> It will not be pulled in mainline because compilation fails on 32-bit:
> 
> drivers/net/mlx5/mlx5_rxtx.c: In function ‘mlx5_tx_burst’:
> drivers/net/mlx5/mlx5_rxtx.c:523:10: error:
> right shift count >= width of type [-Werror=shift-count-overflow]
>      addr >> 32,
>           ^~
> 
> Please Ferruh, remove the series from next-net.

Hi Thomas,

Wait, I'll submit a fix in few minutes.

Regards,

-- 
Nélio Laranjeiro
6WIND


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