On Mon, Oct 12, 2020 at 6:17 PM Isuru Fernando <[email protected]> wrote: > > I looked at the openblas formula in homebrew and they are not passing the > TARGET option. When using DYNAMIC_ARCH=1, a target should be specified.
care to open an issue with them on https://github.com/Homebrew/homebrew-core ? > > Isuru > > On Mon, Oct 12, 2020 at 11:34 AM Zachary Scherr <[email protected]> wrote: >> >> In case anyone is curious, I've tracked the problem down to homebrew's >> openBLAS and so it has nothing to do with sage. If I build numpy from >> source through homebrew then I get exactly the same error using my system >> python3. I'm wondering if maybe this has something to do with the fact that >> openBLAS is bottled with a different processor type than the one that is on >> my system. In any case I'll ask over there and see if I can get some help. >> >> On Sunday, October 11, 2020 at 10:17:43 PM UTC-4 Zachary Scherr wrote: >>> >>> Hi Dima, >>> >>> My system-wide numpy is installed via pip. I was just remarking that I >>> didn't build my system-wide numpy from source so it's not a fair >>> comparison. It's possible that the issues aren't sage related but are >>> related to building sage's numpy against some homebrew libraries. >>> >>> On Sunday, October 11, 2020 at 8:11:13 PM UTC-4 [email protected] wrote: >>>> >>>> On Mon, Oct 12, 2020 at 1:00 AM Zachary Scherr <[email protected]> wrote: >>>> > >>>> > That also crashes with: 86622 segmentation fault ./sage --python >>>> > >>>> > I tested this both with building sage against homebrew python 3.8.6 and >>>> > against sage's default python 3.8.5 and the same error occurred in both >>>> > cases. I don't have this problem using my system-wide numpy so it's >>>> > possible that because sage numpy is built from source that maybe one of >>>> > my homebrew libraries is causing issues. I found >>>> > https://github.com/numpy/numpy/issues/11551 which could be relevant and >>>> > might indicate that it's not a sage problem. >>>> >>>> If you are talking about Homebrew's numpy, it should be more or less >>>> identical with Sage's numpy (assuming you use Homebrew's openblas in >>>> Sage) >>>> cf. https://github.com/Homebrew/homebrew-core/blob/master/Formula/numpy.rb >>>> >>>> > >>>> > I should also add that if I lower the dimension of x to 100000 then it >>>> > works without problem. >>>> > >>>> > On Sunday, October 11, 2020 at 3:26:11 PM UTC-4 [email protected] wrote: >>>> >> >>>> >> On Sun, Oct 11, 2020 at 8:14 PM Zachary Scherr <[email protected]> wrote: >>>> >> > >>>> >> > Hi All, >>>> >> > >>>> >> > I was doing some bug hunting and noticed that scipy's pytests crashed >>>> >> > pretty early. I tracked down exactly what was causing the problem and >>>> >> > noticed it can be reproduced by the following sequence of commands: >>>> >> > >>>> >> > sage: import numpy as np >>>> >> > sage: x = np.random.randn(1000000,2) >>>> >> > sage: y = np.random.randn(2,2) >>>> >> > sage: x.dot(y) >>>> >> >>>> >> please test this in "plain" Sage python, i.e. does >>>> >> >>>> >> ./sage --python >>>> >> >>>> >> >>> import numpy as np >>>> >> >>> x = np.random.randn(1000000,2) >>>> >> >>> y = np.random.randn(2,2) >>>> >> >>> x.dot(y) >>>> >> >>>> >> reproduce the crash? >>>> >> >>>> >> >>>> >> >>>> >> > >>>> >> > produces: >>>> >> > >>>> >> > ------------------------------------------------------------------------ >>>> >> > 0 signals.cpython-38-darwin.so 0x00000001088bc62a print_backtrace + 58 >>>> >> > 1 signals.cpython-38-darwin.so 0x00000001088c0277 sigdie + 39 >>>> >> > 2 signals.cpython-38-darwin.so 0x00000001088c0212 sigdie_for_sig + 290 >>>> >> > 3 libsystem_platform.dylib 0x00007fff6c88e5fd _sigtramp + 29 >>>> >> > ------------------------------------------------------------------------ >>>> >> > Unhandled SIGBUS: A bus error occurred. >>>> >> > This probably occurred because a *compiled* module has a bug >>>> >> > in it and is not properly wrapped with sig_on(), sig_off(). >>>> >> > Python will now terminate. >>>> >> > ------------------------------------------------------------------------ >>>> >> > /Users/zscherr/sage/src/bin/sage-python: line 2: 78812 Bus error: 10 >>>> >> > sage -python "$@" >>>> >> > >>>> >> > I haven't tested on any other platforms, but for what it's worth I >>>> >> > have Catalina 10.15.7 with Xcode 12. >>>> >> > >>>> >> > Thanks, >>>> >> > Zach >>>> >> > >>>> >> > -- >>>> >> > 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 [email protected]. >>>> >> > To view this discussion on the web visit >>>> >> > https://groups.google.com/d/msgid/sage-devel/28f58136-d3c7-40b7-9a46-36fc347acc2en%40googlegroups.com. >>>> > >>>> > -- >>>> > 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 [email protected]. >>>> > To view this discussion on the web visit >>>> > https://groups.google.com/d/msgid/sage-devel/a67ca4b5-526b-40d7-a476-520d49890207n%40googlegroups.com. >> >> -- >> 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 [email protected]. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/sage-devel/7ba7ef07-8460-4180-8670-397e1fb6df93n%40googlegroups.com. > > -- > 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 [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/sage-devel/CA%2B01voNTGybhpxULUXSuBxFFc2fAXkwyer%3DQ0pSAPpP3Am8uDQ%40mail.gmail.com. -- You received this message because you are subscribed to the Google Groups "sage-devel" group. 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