On Tue, Jul 26, 2016 at 6:33 PM, William Stein <wst...@gmail.com> wrote: > On Tue, Jul 26, 2016 at 9:21 AM, leif <not.rea...@online.de> wrote: >>> OS bashing will not be tolerated. >> >> But company bashing will... ;-) >> >> Microsoft used to have a POSIX layer also; no idea what happened to that >> (and how usable it actually was/is). >> >> But it never made it into mainstream Windows AFAIK. > > In the interest of balance, last week Microsoft donated USD $5K to > support the Women in Sage Days conferences.
My point exactly :) > This new Ubuntu in Windows initiative is really fantastic. I'm glad > they (evidently) now support fork and pseudotty's -- they didn't when > somebody tried a few months ago, and I heard that this was their top > priority. Yes. The fork support especially is going to be a big win--fork on Cygwin is a big ol' mess especially due to DLL rebasing. > Regarding the above discussion about speed, what combination of > OS/Virtualization/Emulations/Native/etc. is actually fastest is not > something that can be determined by "pure thought", since there are > two additional factors (which I saw a lot in work of Bill Hart, Jason > Moxham and Brian Gladman on MPIR and FLINT): > > 1. Performance is multidimensional. It can easily be that f(X) is > faster in one setting, whereas g(X) is slower. Or even that the > relative speed of f depends on X. > > 2. Performance depends enormously on how much work has gone into > optimizing libraries for certain platforms. E.g., once when I tested > using MPIR in Linux via VirtualBox on Windows, it was much faster than > just using MPIR natively built using MSVC (no claims about today). > Why? Much more effort had gone into optimizing MPIR on Linux than on > native Windows. Yes--this is why I hesitate to assume one way or the other. -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To post to this group, send email to sage-devel@googlegroups.com. Visit this group at https://groups.google.com/group/sage-devel. For more options, visit https://groups.google.com/d/optout.
