Firefly and PC GAMESS-related discussion club

Learn how to ask questions correctly

Re: Performance goes upwards!

Alex Granovsky


> May be, you have still any advice as a reserve :-)?

yes I have... you can try

 $system decomm=.f. wsctl=.f. $end


 $system decomm=.t. wsctl=.t. $end

on some large job to check if this affects performance.


On Fri Apr 2 '10 1:58pm, Vyacheslav wrote

>with mxgsum=8000 performance strongly decreases (approximately in 2 times for 24 nodes). It was the last job in first series. Probably I should not exceed this value (in decimal) during tuning?
>Further I'll do runs as you have suggested, Alex, and then I'll try to vary other tuning options, mentioned above in this discussion.
>Thanks for brilliant recommendations, dear Alex! May be, you have still any advice as a reserve :-)?
>Thanks to all for various help!
>On Fri Apr 2 '10 1:24pm, Alex Granovsky wrote

>>glad to know that!

>>00400 means simply 400 i.e. leading zeros do not affect the value.

>>I'd suggest you to check the sequence I have suggested - i.e.,
>>the consequent powers of two: 512, 1024, 2048, etc...

>>On Fri Apr 2 '10 12:49pm, Vyacheslav wrote

[ Previous ] [ Next ] [ Index ]           Fri Apr 2 '10 4:18pm
[ Reply ] [ Edit ] [ Delete ]           This message read 646 times