From: Angelo Graziosi <angelo.graziosi@alice.it>
To: Ken Brown <kbrown@cornell.edu>
Cc: emacs <emacs-devel@gnu.org>
Subject: Re: 64-bit emacs crashes a lot
Date: Sun, 18 Aug 2013 21:10:38 +0200 [thread overview]
Message-ID: <52111C2E.7020301@alice.it> (raw)
In-Reply-To: <521107DE.40803@cornell.edu>
Il 18/08/2013 19.43, Ken Brown ha scritto:
> On 8/17/2013 6:23 PM, Angelo Graziosi wrote:
>> Il 17/08/2013 22.16, Ken Brown ha scritto:
>>>
>>> This probably means that the static heap isn't big enough for
>>> --enable-checking=all on 32-bit Cygwin. I'll test it and increase it if
>>> necessary. I may not get to this today, but I'll do it soon. (And you
>>> can do it yourself locally if you're anxious to bootstrap right now.)
>>
>> OK, with 18MB it is still bootstrapping and has printed:
>>
>> ...
>> Finding pointers to doc strings...done
>> Dumping under the name emacs
>> Static heap usage: 16099796 of 18874368 bytes
>> ...
>>
>> but... really should we increase the static heap from 13 to 18 MB also
>> for a not-checking bootstrap?
>
> No. I made the increase to 18 conditional on ENABLE_CHECKING.
>
>> Usually, in that case, the build log shows
>>
>> ...
>> Static heap usage: 10273280 of 13631488 bytes
>> ...
>> Static heap usage: 5419520 of 13631488 bytes
>>
>>
>> Doesn't it mean that the "end" product uses only about 5.2 MB?
>
> Yes, but you still need a bigger static heap for bootstrapping. While
> bootstrap-emacs is being built, many *.el files get loaded, and this
> requires a large static heap. Then bootstrap-emacs byte-compiles those
> files. Now when emacs is built, the smaller *.elc files can be used, so
> a smaller static heap suffices for that second step.
>
> By the way, it just occurred to me that the "static heap usage" report
> isn't very informative. It shows how much of the static heap is in use
> at the time emacs (or bootstrap-emacs) is dumped, but there might have
> been more in use and then freed at some earlier stage. I changed
> sheap.c:report_sheap_usage so that it reports the maximum usage, since
> this is what determines how big the static heap needs to be.
All this sounds good.. and interesting.. Thanks!
Ciao,
Angelo.
next prev parent reply other threads:[~2013-08-18 19:10 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-17 19:43 64-bit emacs crashes a lot Angelo Graziosi
2013-08-17 20:16 ` Ken Brown
2013-08-17 22:23 ` Angelo Graziosi
2013-08-18 17:43 ` Ken Brown
2013-08-18 19:10 ` Angelo Graziosi [this message]
2013-08-18 19:14 ` Eli Zaretskii
[not found] <51F3151D.7040000@cs.utoronto.ca>
[not found] ` <51F33565.1090406@cornell.edu>
[not found] ` <51F33F52.4060405@cs.utoronto.ca>
[not found] ` <51FB1D9E.5090102@cs.utoronto.ca>
[not found] ` <20130802080211.GA18054@calimero.vinschen.de>
[not found] ` <51FB9228.2020309@cornell.edu>
[not found] ` <51FBA100.90005@cs.utoronto.ca>
[not found] ` <51FD5462.5020400@cs.utoronto.ca>
[not found] ` <51FFBDFF.7040501@cornell.edu>
[not found] ` <51FFC4F2.8080909@cs.utoronto.ca>
[not found] ` <5203D89E.6030801@cornell.edu>
[not found] ` <5203DCCA.1010105@cs.utoronto.ca>
[not found] ` <5205B364.8090007@cs.utoronto.ca>
[not found] ` <52064730.50404@cornell.edu>
[not found] ` <"52065B3C.6060104@cs.utoronto <520CCA41.3000107"@cs.utoronto.ca>
[not found] ` <520D089A.1020806@cornell.edu>
[not found] ` <83ioz6op5v.fsf@gnu.org>
[not found] ` <520D4036.8010303@cs.utoronto.ca>
[not found] ` <8361v6nhdb.fsf@gnu.org>
2013-08-16 11:37 ` Ryan Johnson
2013-08-16 13:10 ` Eli Zaretskii
[not found] ` <520D900A.8000907@cornell.edu>
[not found] ` <520DABDC.8020304@cs.utoronto.ca>
[not found] ` <520DBFCD.4080808@cs.utoronto.ca>
[not found] ` <8338qangma.fsf@gnu.org>
2013-08-16 11:39 ` Ryan Johnson
[not found] ` <834naqnh9t.fsf@gnu.org>
2013-08-16 11:41 ` Ryan Johnson
2013-08-16 13:31 ` Eli Zaretskii
2013-08-16 14:16 ` Ryan Johnson
2013-08-16 14:49 ` Eli Zaretskii
2013-08-16 14:20 ` Ken Brown
2013-08-16 14:24 ` Ryan Johnson
2013-08-16 15:03 ` Eli Zaretskii
2013-08-16 15:45 ` Eli Zaretskii
2013-08-16 16:51 ` Ryan Johnson
[not found] ` <520E5D71.3020307@cornell.edu>
2013-08-16 17:24 ` Ryan Johnson
2013-08-16 18:55 ` Ken Brown
2013-08-16 19:37 ` Eli Zaretskii
2013-08-16 20:17 ` Eli Zaretskii
2013-08-16 20:33 ` Ken Brown
2013-08-16 21:20 ` Ryan Johnson
2013-08-17 7:01 ` Eli Zaretskii
2013-08-17 12:17 ` Ken Brown
2013-08-16 17:46 ` Ken Brown
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