I believe the performance hit is because Rev loads everything into
ram. HyperCard didn't.
In HyperCard you had to periodically compact the stack because of the
fragmentation caused by the swapping to and from disk.
Rev never needs to compact because a Save saves the entire stack again.
Bill Vlahos
Sent from my iPhone
On Jan 2, 2008, at 12:40 PM, Joe Lewis Wilkins <[EMAIL PROTECTED]> wrote:
Thanks, Paul. I didn't realize that there was a performance hit
using Rev. How about searching in Rev? HC's searching was amazingly
fast, even in the days of SE30s, although I do recall implementing
an indexing protocol to make sure account cards were found as fast
as I wanted them to be found.
Joe Wilkins
On Jan 2, 2008, at 12:23 PM, [EMAIL PROTECTED] wrote:
Joe,
We have had Rev stacks with well over 10,000 cards.
They open, close, and save much more slowly than the same data in a
HyperCard
stack with the same cards. They also require much more memory than
the
equivalent HC stacks.
The speed and memory usage problems seem to be exponential (the
more cards,
the greater the problem). Based on my experience, you should be
able to manage
stacks with less than 2500 cards in Rev - but don't expect HC
performance.
Paul Looney
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