Search found 4 matches

by Des
Thu Sep 21, 2017 5:09 pm
Forum: General
Topic: Effect of multiple processors
Replies: 6
Views: 16496

Re: Effect of multiple processors

Hi Jon, thankfully I've got it all working properly now :) The problem seemed to be down to intermittent loading of the pch file. According to the logs (and borne out by the i/o read statistics) with 2 cores it was being loaded 568 times for 580 files, but with 5 cores it was only being loaded 394 t...
by Des
Tue Sep 19, 2017 11:34 am
Forum: General
Topic: Effect of multiple processors
Replies: 6
Views: 16496

Re: Effect of multiple processors

Ok, a bit more investigating... As it looks to me like a constant lag might be being added to each unit compile, I wondered about disk access. I set process explorer to measure the data being read from ssd during a build (compilation only, no linking), using 5 cores I got. mtbcc32-1.exe 1.853 GB mtb...
by Des
Tue Sep 19, 2017 11:00 am
Forum: General
Topic: Effect of multiple processors
Replies: 6
Views: 16496

Re: Effect of multiple processors

Hi Jon, thanks for the quick reply, the speedups that you refer to are very encouraging. To answer your questions:- 1. Each file has the broadly equivalent starting section /***************** STANDARD FILE HEADER - START ************************/ #pragma hdrfile "winprop.csm" #include &quo...
by Des
Mon Sep 18, 2017 4:43 pm
Forum: General
Topic: Effect of multiple processors
Replies: 6
Views: 16496

Effect of multiple processors

Hi, I've just started evaluating TwinCompile and I have a few questions. I have a large app currently in BCB6 which would normally take 45 mins to compile. Up to now I have been using Andreas Hausladen's Bcc32pch which brings the compile time down to 1m:54s (using a single thread) and have been very...