RE: Vector optimized IP checksum

2022-06-16 Thread Morten Brørup
> From: Mattias Rönnblom [mailto:hof...@lysator.liu.se] > Sent: Thursday, 16 June 2022 15.46 > > On 2022-06-16 09:07, Morten Brørup wrote: > > Hi Jasvinder, > > > > As the Packet CRC maintainer, have you considered adding vector > > optimized variants of the rte_raw_cksum() function? > > > > The

Re: Vector optimized IP checksum

2022-06-16 Thread Mattias Rönnblom
On 2022-06-16 09:07, Morten Brørup wrote: Hi Jasvinder, As the Packet CRC maintainer, have you considered adding vector optimized variants of the rte_raw_cksum() function? The current implementation is vectorized by the compiler. In my experience, hand-crafting it using SIMD intrinsics doe

Vector optimized IP checksum

2022-06-16 Thread Morten Brørup
Hi Jasvinder, As the Packet CRC maintainer, have you considered adding vector optimized variants of the rte_raw_cksum() function? It might benefit some of the software PMDs, such as tap and virtio. Med venlig hilsen / Kind regards, -Morten Brørup