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Re: Error when compiling a large file

From: Phil Holmes
Subject: Re: Error when compiling a large file
Date: Tue, 19 Feb 2013 10:31:15 -0000

"David Kastrup" <address@hidden> wrote in message news:address@hidden
"Phil Holmes" <address@hidden> writes:

"James" <address@hidden> wrote in message

I have a quite powerful desktop and use Linux, but I only saw 1 CPU being
used and never above 2.5GB of RAM (using the 'top' command - a bit like
Windows' Task Manager/Processes if you haven't used top before).

Single core is correct - LilyPond is single threaded.

I know that that probably doesn't help that much. I do have a windows
machine I could try it on, but that wil have to wait for now as I have to
get to work!

I've attached your Zip file here in case anyone else with Windows wants to
give it a go.

Just run is on my normal desktop - 6 Gig RAM, Vista 64 bit.  It dies
after 6 minutes, having consumed 1.3 Gigs of RAM.  I suspect it might
be a problem with Windows memory allocation - it's possible each
process is restricted to how much RAM it can allocate.

It's not a "problem with Windows memory allocation": 1.3 Gig is already
totally ridiculous for that kind of file.

In fact, I'd probably reduce the allowed allocation artificially for
testing this problem in order to save time.

David Kastrup

Lilypond has always used a lot of memory. If I run the test file Eluze created on 2.12 it goes up to just shy of a gig. I'd assume there are minor variations in the amount of memory the various layout systems use, and 2.12 was just too little to cause memory to be allocated, and subsequent 2.13 versions just too much.

Phil Holmes
Bug Squad

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