Oops, I should have remembered to check - I was quite impressed when avx support first appeared and should have realized that the slowdown I experienced was exactly that. Thanks for the memory nudge!
- joey > On 2020May 14, at 16:06, Eric Iverson <[email protected]> wrote: > > Is it possible you are comparing 901avx2 with 902 (nonavx)? > > I have not run your test yet on a mac, but on linux, I find that 902avx2 is > nearly 3 times faster than 902(nonavx). > > If you didn't do the final install steps, then you would not have upgraded > JE from the base version to the avx2 version. > > What is 9!:14'' on your slow 902 system? > > If it says j902, then you should upgrade. I think the steps are: > load'pacman' > 'upgrade'jpkg'jengine' > > On Thu, May 14, 2020 at 5:32 PM Joey K Tuttle <[email protected]> wrote: > >> Installed under OS X 10.14.6 easily - but I'm puzzled why "my" benchmark >> >> timex '%. 1000 1000 ?@$ 0' >> >> takes more than twice as much cpu compared to j901... (space used is >> identical) >> >>> On 2020May 14, at 14:27, Henry Rich <[email protected]> wrote: >>> >>> This beta has a few language changes: >>> >>> * Fold (u F:. v) has been redefined to execute v first, then, u >>> >>> * u0`u1`...@v now has infinite rank. v is executed first to decide the >> cell-rank, and which verb is to be executed for each cell; then the u verbs >> are executed, either one cell at a time or in one call to each verb, to >> execute on a list of cells at once. Therefore, each u verb needs to be able >> to handle single cell or a list of input cells. >>> >>> * semiduals are supported at last: x u&.:(v`a:) y applies v only to x, >> and x u&.:(a:`v) y applies v only to y. >>> >>> Henry Rich >>> >>> On 5/14/2020 3:49 PM, Eric Iverson wrote: >>>> The first 902 beta release is available for windows/macos/linux. >>>> >>>> https://code.jsoftware.com/wiki/System/Installation/J902 >>>> >>>> Availability of new releases will be announced here. >>>> >>>> Questions, problems, etc should be addressed to the beta forum. >>>> ---------------------------------------------------------------------- >>>> For information about J forums see http://www.jsoftware.com/forums.htm >>> >>> >>> -- >>> This email has been checked for viruses by AVG. >>> https://www.avg.com >>> >>> ---------------------------------------------------------------------- >>> For information about J forums see http://www.jsoftware.com/forums.htm >> >> ---------------------------------------------------------------------- >> For information about J forums see http://www.jsoftware.com/forums.htm >> > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
