VE and BLM cell edges

[Dave Zug]

Canister enable has to be a very low priority item, I belaive the updates
for the most important sensors is still not taking up near the time that the
processor clocking is capable of, thats a conclusion based on seeing 12.5
msec being used for some important updates, the processor is going waay
faster than one pass per 12.5 msec. I think the most taxed resource of the
P4 is the onboard ram, the processor has plenty of speed to spare I think.
the I/O stuff is even averaged or 'softened' so it seems truly accurate
readings are not even a priority. noise may influince the reasoning for
softening the readings too, I think I read posts about that.

----- Original Message -----
From: Bob Wooten <r71chevy at earthlink.net>
To: <gmecm at diy-efi.org>
Sent: Friday, January 19, 2001 9:38 PM
Subject: Re: VE and BLM cell edges


> Dave,
>
> does this not also relate to processor time & the whether or not the data
> point in question NEEDs to be an instantaneous value or if historical data
> of X age is acceptable for the calculation?
>
> BW
>
>
> > [Original Message]
> > From: Dave Zug <dzug at delanet.com>
> > To: <gmecm at diy-efi.org>
> > Date: 1/19/01 3:19:58 PM
> > Subject: Re: VE and BLM cell edges
> >
> >
> > That is called efficient coding! If some condition is already checked
for
> as
> > part of another process (like the canister purge as discuvered here)
then
> > other processes only have to reffer to the result, not execute the check
> > again.
> >
> > This of coarse makes code hard to follow when not looking at its
> > complimentary documentation. Keeps most of us from going the extra steps
> to
> > find out more,  you are a rare breed Bob ;-)
> >
> >
> >
> > ----- Original Message -----
> > From: <rrauscher at nni.com>
> > To: <gmecm at diy-efi.org>
> > Sent: Friday, January 19, 2001 10:07 AM
> > Subject: Re: VE and BLM cell edges
> >
> > > However, some of the canister purge qualifications are very
> > > similar to what would be idle: if tps% < 3% or mph < 1.8, then
> > > no canister purge. Then cell 4 is selected. There are some
> > > other quals such as coolant temp and map (set to 0).
> > >
> > > BobR.
> > >
> > >
> >
> >
> >
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>
>
>
> --- Bob Wooten
> --- r71chevy at earthlink.net
> --- www.r71camaro.homestead.com
>
>
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