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Re: Any sign of a fix for the 10 second compile time?
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From:
Richard Hainsworth
Date:
August 1, 2020 17:30
Subject:
Re: Any sign of a fix for the 10 second compile time?
Message ID:
c49bbcee-68c6-6963-aa36-04aee607adfa@gmail.com
Todd
What you are asking for is not a bug, but a part of the current stage of
design. It will probably get quicker.
However, the biggest part of the timing is the compilation - as you have
noticed.
When you precompile a module, it stores the byte code. Then it runs
quite well.
Now it IS possible to set up a precomp store of your own, but isn't
worth the hassle.
zef does all of that for you. So the best thing is to find a way to get
zef to install your modules.
Naturally if you change anything in them, you will need to bump the
version number in the META6.json file and then reinstall.
Failure problems with zef, so long as your module compiles, involves
good housekeeping. zef will look for tests and run them. I cannot
program anything now without tests, they are SOOOOOOO useful.
Then the structure of the module directory has to be right. But once you
have got things working once, it becomes much easier.
I have a directory called .perl and inside it is just a META.json which
lists in the depends field all my favourite modules. Then I use zef to
install deps.
On 01/08/2020 01:08, ToddAndMargo via perl6-users wrote:
> On 2020-07-31 16:40, Tom Browder wrote:
>> On Fri, Jul 31, 2020 at 5:38 PM ToddAndMargo via perl6-users
>> <perl6-users@perl.org> wrote:
>>>>> Todd, a couple of questions:
>>>>> 1. In your modules that change all the time, do have "use lib ...;"
>>>>> statements in any of them?
>>>>
>>>> No. If I do, they crash
>>>
>>> # use lib '/home/linuxutil/p6lib'; # may not be precompiled; calling
>>> program must take care of this
>>
>>
>> Just for "-O fun", set up your modules as if they were to be public,
>> i.e., add a META6.jso for the module collection.
>> The collection being "/path/to/MyModules" and in MyModules create:
>>
>> META6.json # create it and add all your modules in it just like
>> you were going to publish the whole mess.
>> ./lib/
>> # my modules as moved or duped from "/home/linuxutil/p6lib"
>> t/
>> 00-meta-test.t # some basic test to check your META6.json file
>>
>> Then, in dir "/path/to/MyModules" try:
>>
>> $ zef install . # <== that's a DOT/PERIOD, i.e., the current
>> directory
>>
>> If that works, then you should be able to "use" them from your program.
>>
>> -Tom
>>
>
>
>
> Hi Tom,
>
> I am really after is what I originally asked. Is this
> issue any closer to being solved? And is there
> a bug I can get myself Cc'ed on to.
>
> When I get a chance at it again, I will
> will look into the workaround. Thank you.
>
> What compiles in 1/2 seconds on Perl 5 should not
> take 18 seconds on Perl 6.
>
> It is the "parse" stage this is the issue.
>
> $ time raku --stagestats -c GetUpdates.pl6
> Stage start : 0.000
> Stage parse : 18.405
> Stage syntaxcheck: Syntax OK
>
> real 0m18.449s
> user 0m20.673s
> sys 0m0.223s
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