What about the Linux 64 machine? I'm getting some weird segfaults in
std.parallelism that I can't reproduce on my Linux 64 VM. I'm currently
running the std.parallelism unittests in a loop and they're passing
every time. Furthermore, I've been using std.parallelism for real work
on Linux 64 since DMD was capable of producing 64-bit binaries and it's
worked fine. It also passed a Jinx test a few weeks back. (Jinx is
software that's designed to make buggy multithreaded programs fail by
fiddling with timings. Bartosz Milewski tested std.parallelism with it
after seeing my blog post. The point is that this is evidence against
the issue being a latent concurrency bug.) Therefore, I'm thinking
something very weird is going on with auto tester.
Also, I noticed it's segfaulting on FreeBSD, too. I'm installing a
FreeBSD VM right now to look into this.
On 4/26/2011 9:38 PM, Brad Roberts wrote:
Good point.. I'll make a note to myself to add system definitions for
those boxes somewhere obvious since that's important for some things. The
freebsd box is an ancient pos, but it works:
CPU: Intel(R) Pentium(R) 4 CPU 3.00GHz (2992.52-MHz 686-class CPU)
Origin = "GenuineIntel" Id = 0xf41 Family = f Model = 4 Stepping = 1
Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
Features2=0x441d<SSE3,DTES64,MON,DS_CPL,CNXT-ID,xTPR>
TSC: P-state invariant
real memory = 2147483648 (2048 MB)
avail memory = 2091065344 (1994 MB)
ACPI APIC Table:<A M I OEMAPIC>
FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
FreeBSD/SMP: 1 package(s) x 1 core(s) x 2 HTT threads
cpu0 (BSP): APIC ID: 0
cpu1 (AP/HT): APIC ID: 1
On Tue, 26 Apr 2011, David Simcha wrote:
Date: Tue, 26 Apr 2011 21:02:07 -0400
From: David Simcha<[email protected]>
Reply-To: Discuss the phobos library for D<[email protected]>
To: Discuss the phobos library for D<[email protected]>
Subject: Re: [phobos] [D-Programming-Language/phobos] 3cf671: Add
std.parallelism.
I actually realized that FreeBSD matters by looking at the auto tester to make
sure the checkin wasn't breaking anything on OSX, which I also don't have
access to. I have a static assert that will probably fail (fixing it right
now since it's trivial). The other issue is that FreeBSD appears broken for
unrelated reasons right now. I just pushed a fix based on reading some
documentation about FreeBSD, but I have no idea whether it's right or not
because I don't have a FreeBSD box to test it on. Also, the functionality is
hard to automatically test because you need to know how many cores the box
you're running on actually has.
On 4/26/2011 8:45 PM, Brad Roberts wrote:
Assuming you have a good unit test for it, just check the auto tester...
Yes, freebsd/32 is supported for d2.
On Tue, 26 Apr 2011, David Simcha wrote:
Just realized, are we supporting D2 on FreeBSD yet? If so, I need to fix
std.parallelism to detect the number of CPUs on it. I think this is the
same
as on OSX, though. (I used sysctlbyname on OSX. Someone please confirm
this
is right on BSD.)
On 4/26/2011 8:06 PM, [email protected] wrote:
Branch: refs/heads/master
Home: https://github.com/D-Programming-Language/phobos
Commit: 3cf67160b82d87d8de0bc7564aa1474149a92349
https://github.com/D-Programming-Language/phobos/commit/3cf67160b82d87d8de0bc7564aa1474149a92349
Author: dsimcha<[email protected]>
Date: 2011-04-26 (Tue, 26 Apr 2011)
Changed paths:
M changelog.dd
M posix.mak
A std/parallelism.d
M unittest.d
M win32.mak
Log Message:
-----------
Add std.parallelism.
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