Re: Windows performance

[Cynthia Karl]

> Message: 4
> Date: Thu, 16 Apr 2015 15:28:35 +0100
> From: "Trevor Daniels" <address@hidden>
> To: "Phil Holmes" <address@hidden>,   "LilyPond User Group"
>       <address@hidden>
> Subject: Re: Windows performance
> Message-ID:
>       <address@hidden>
> Content-Type: text/plain;     charset="iso-8859-1"
> 
> 
> Phil Holmes wrote Thursday, April 16, 2015 2:00 PM
> 
> 
>> The performance of LilyPond 2.19.18 on Windows is _much_ better than
>> previous versions.  Some examples:
>> 
>> A 26 page multi-score piece I've been working on:
>> 2.19.16: 114s to compile
>> 2.19.18: 52s
> ... [etc]
> 
> That's remarkable.  I can see no change between 2.19.16
> and 2.19.18 that might account for this enormous change.
> The only effect of this magnitude which I've seen in the
> past is to do with setting up the font library when LP
> is run for the first time.  But that would be an increase.
> 
> Any chance your 2.19.18 is using a different hard disk, 
> an SSD maybe, which the others weren't?

I just repeated Phil’s 3-line stress test on a Mac Pro (2.66 GHz Quad-Core 
Intel Xeon, 16 GB RAM) with the following versions of LP and compile times:

> 
> LP v2.19.18:  13.0s
> LP v2.19.15:  24.4s
> LP v2.18.2:    24.2s

I’d say a significant difference from 2.19.15 to 2.19.18.

Regards,
Pat Karl