GNU bug report logs - #16261
24.3.50; puresize overflowed

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From: Katsumi Yamaoka <yamaoka <at> jpl.org>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 16261 <at> debbugs.gnu.org
Subject: bug#16261: 24.3.50; puresize overflowed
Date: Fri, 27 Dec 2013 18:28:00 +0900

Eli Zaretskii wrote:
>> Date: Fri, 27 Dec 2013 09:24:07 +0900
>> From: Katsumi Yamaoka <yamaoka <at> jpl.org>
>>
>> I got this in today's Emacs build on Cygwin:
>>
>> Dumping under the name emacs
>> emacs:0:Pure Lisp storage overflow (approx. 1702125 bytes needed)
>> Maximum static heap usage: 5469504 of 13631488 bytes
>> 2131 pure bytes used
>> Adding name emacs-24.3.50.1

> Is this a 32-bit build or a 64-bit build?

That's a 32-bit build.  I have no means to know how it is in
a 64-bit machine.

>> --- puresize.h~	2013-06-03 22:06:30.000000000 +0000
>> +++ puresize.h	2013-12-27 00:00:47.413148800 +0000
>> @@ -43 +43 @@
>> -#define BASE_PURESIZE (1700000 + SYSTEM_PURESIZE_EXTRA + SITELOAD_PURESIZE_EXTRA)
>> +#define BASE_PURESIZE (1710000 + SYSTEM_PURESIZE_EXTRA + SITELOAD_PURESIZE_EXTRA)

> I don't see this problem, neither with a 32-bit MS-Windows build nor a
> 64-bit GNU/Linux build.  So I think Cygwin should define a slightly
> larger SYSTEM_PURESIZE_EXTRA (or start defining it, if it doesn't
> now).

I know neither why it is platform-dependent nor how much it should
be increased, but it should help.

(I'll be unable to verify it for a week since I'll be away from
 this office machine for the winter vacation, sorry.)

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