From: Lee <ler762@gmail.com>
To: David Christensen <dpchrist@holgerdanske.com>
Cc: cygwin@cygwin.com
Subject: Re: Cygwin Perl has slowed in recent months
Date: Mon, 23 May 2022 18:47:40 +0000 [thread overview]
Message-ID: <CAD8GWsvsNsF9w7NzxRDDDCwfcVkJp4_kVvwr6f7obCxi95-ZiQ@mail.gmail.com> (raw)
In-Reply-To: <b4ea7bca-242a-4c9c-6736-ec997f6d6877@holgerdanske.com>
On 5/22/22, David Christensen <dpchrist@holgerdanske.com> wrote:
> On 5/21/22 10:55, Hans-Bernhard Bröker wrote:
>> Am 18.05.2022 um 03:53 schrieb David Christensen:
>>
>> > I am working on a Perl module that runs on various Unix-like platforms.
>> > When I 'make test' on similar computers:
>> >
>> > FreeBSD 12.3-RELEASE 28 wallclock secs
>> > Debian GNU/Linux 11.3 31 wallclock secs
>> > macOS 11.6.2 36 wallclock secs
>> > Windows 7 / Cygwin 3.3.5-1 509 wallclock secs
>>
>> Given the complete lack of information about what that Perl module of
>> yours might be doing, that's hard to have a meaningful discussion about.
>
>
> Thank you for the response. I was hoping there was a known issue.
> Apparently, not.
What I consider a well known issue is that process start up time is
_very_ slow. If your 'make test' starts lots of processes that could
be a problem.
Another huge slowdown is Windows Defender. Try turning that off and
seeing how long your 'make test' takes then.
Regards,
Lee
>
> The above module is proprietary, so I thought I would profile some
> similar CPAN modules to generate discussion information:
>
> 2022-05-22 01:25:39 dpchrist@dht4s3r1 ~
> $ systeminfo | egrep '^OS (Name|Version)' ; uname -a ; cygcheck -c cygwin
> OS Name: Microsoft Windows 7 Professional
> OS Version: 6.1.7601 Service Pack 1 Build 7601
> CYGWIN_NT-6.1-7601 dht4s3r1 3.3.5-341.x86_64 2022-05-13 12:27 UTC x86_64
> Cygwin
> Cygwin Package Information
> Package Version Status
> cygwin 3.3.5-1 OK
>
> 2022-05-22 01:26:45 dpchrist@dht4s3r1 ~
> $ cpan install Devel::NYTProf
> <snip>
> t/50-errno.t ............. 1/8
> # Failed test '$! should not be altered by NYTProf i/o'
> # at t/50-errno.t line 58.
> # got: '0'
> # expected: '3'
> # Looks like you failed 1 test of 8.
> t/50-errno.t ............. Dubious, test returned 1 (wstat 256, 0x100)
> Failed 1/8 subtests
> <snip>
> Test Summary Report
> -------------------
> t/50-errno.t (Wstat: 256 Tests: 8 Failed: 1)
> Failed test: 6
> Non-zero exit status: 1
> Files=55, Tests=4736, 570 wallclock secs ( 0.64 usr 1.06 sys + 104.19
> cusr 403.73 csys = 509.62 CPU)
> Result: FAIL
> Failed 1/55 test programs. 1/4736 subtests failed.
> make: *** [Makefile:1284: test_dynamic] Error 255
> JKEENAN/Devel-NYTProf-6.11.tar.gz
> /usr/bin/make test -- NOT OK
> //hint// to see the cpan-testers results for installing this module, try:
> reports JKEENAN/Devel-NYTProf-6.11.tar.gz
>
>
> STFW:
>
> https://github.com/Perl/perl5/issues/12389
>
>
> Any suggestions?
>
> David
next prev parent reply other threads:[~2022-05-23 18:47 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-18 1:53 David Christensen
2022-05-21 17:55 ` Hans-Bernhard Bröker
2022-05-22 19:11 ` David Christensen
2022-05-23 18:47 ` Lee [this message]
2022-05-23 21:22 ` David Christensen
2022-05-24 8:25 ` Csaba Raduly
2022-05-24 8:47 ` Sam Edge
2022-05-24 15:03 ` David Christensen
2022-05-24 15:59 ` Sam Edge
2022-05-24 17:09 ` David Christensen
2022-05-24 19:31 ` Brian Inglis
2022-05-24 18:57 ` Achim Gratz
2022-05-25 6:36 ` David Christensen
2022-05-25 15:04 ` gs-cygwin.com
2022-05-25 20:06 ` David Christensen
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