Re: CPF5192

[Rob Dixon <rob.dixon@xxxxxxxxxxx>]

Tom

A good question.

I did measure it years ago when machines were much slower.  It certainly 
made a difference.  Even today, with somewhat faster machines, it is 
visible.  Instead of the whole screen appearing at once, it comes in 
bits - a format at a time.  That doens't necessarily mean that the last 
bit appears any later than when DFRWRT(*YES) is being used but I suspect 
that it does and, in any event, if you have, say, four formats on the 
screen, then, with DFRWRT(*NO), four writes to screen are being done 
instead of one.  This surely must take more CPU time and more coms traffic.

I have used DFRWRT(*YES) since it first appeared many years ago.  I 
believe that this is just one contribution to getting really fast 
response times in my system.

Many thanks

Rob Dixon

qsrvbas@xxxxxxxxxxxx wrote:
> rpg400-l-request@xxxxxxxxxxxx wrote:
>
>   
> >   2. Re: CPF5192 (Rob Dixon)
> >
> >  Also using FRCDTA will affect performance just as 
> > DFRWRT(*NO) does.
> >     
>
>
> Is this level of performance tweaking still measureable? (I really don't know.)
>
> Tom Liotta
>
>