Dan, looks extremely interesting! It's unfortunate I won't have time (anytime soon) to really dive into it.
I've kept a copy for future reference. Thanks a lot for sharing! Kind regards, Abe Kornelis ========== Op 14/12/2021 om 06:03 schreef Dan Greiner: > Back in late September, I posted a series of PowerPoint slides describing the > IBM z/Architecture vector facilities on my Google Drive: > https://drive.google.com/file/d/13OhBkhgbU7N6a20nVo5uEAnR-s3-Pyz8/view?usp=sharing > > > The most common response I've received is something to the effect of "good > stuff ... now what do I do with it?" > > Last Christmas, I received a really annoying puzzle as a gift ... annoying > because solving it involved a lot of repetitive stress on my already inflamed > carpals. A simple C program did the trick, but I wanted to see if I could use > the vector ops to do better, so I started researching them. This led to a > months-long documentation project resulting in the slides mentioned above. > > I've put together another short presentation — only 11 slides — that describe > the puzzle and one solution using vector instructions. There are numerous > features of the vector architecture, but this pitch illustrates what I think > are a few key points: SIMD, branch avoidance, and a really neat instruction > (VPERM). Unlike my previous stuff, there is no animation in these slides; the > meat of it is in the presenter notes, so make sure you view the notes page. > https://docs.google.com/presentation/d/1gD089nRo8Lch-rkg7T7pbwclBAvsp0bf/edit?usp=sharing&ouid=104012833061983447284&rtpof=true&sd=true > > > Enjoy!
