Re: [dpdk-dev] [PATCH v6 0/7] rte_hash_crc reworked to be platform-independent

[Neil Horman <nhorman@tuxdriver.com>]

On Mon, Feb 02, 2015 at 09:07:45AM +0600, Yerden Zhumabekov wrote:
> 
> 01.02.2015 20:13, Neil Horman пишет:
> > On Thu, Jan 29, 2015 at 02:48:11PM +0600, Yerden Zhumabekov wrote:
> >> This is a rework of my previous patches improving performance of rte_hash_crc.
> >>
> >> Summary of changes:
> >> * software implementation of CRC32 introduced;
> >> * in the runtime, algorithm can fall back to software version if CPU doesn't support SSE4.2;
> >> * best available algorithm is automatically detected upon application startup;
> >> * redundant compile checks removed from test utilities;
> >> * assembly code for emitting SSE4.2 instructions is used instead of built-in intrinsics;
> >> * rte_hash_crc() function performance significantly improved.
> >>
> >> v6 changes:
> >> * added 'const' qualifier to crc32c lookup tables declaration.
> > Just to be clear, this does build if you compile it against the "default"
> > machine type, correct?
> > Neil
> 
> I think so, I've just successfully built it against latest snapshot with
> RTE_TARGET
> equal to 'x86_64-native-linuxapp-gcc'.
> 
Please confirm that setting the machine type to default builds and runs properly.
Neil

> -- 
> Sincerely,
> 
> Yerden Zhumabekov
> State Technical Service
> Astana, KZ
> 
> 
>