What does "23 times faster" mean? That per-instantiation, it takes 1/23rd of the time on CF8 that it did on CF7 (i.e. a 95% reduction)? If so, that's a great improvement, but it's nearly devoid of meaning here. What if CF took 1 second per instance on CF7? Then CF8 would be expected to take 40ms per instance. That's hardly exemplary, even though it's a huge improvement. It's also worth mentioning that Adobe's going to publish the biggest numbers they can - real world use is likely to be less.
The specific case that I have tested was using LCDS. If I'm managing a collection and I'm using CFCs as the server-side representation (i.e. what the DAO that backs the assembler returns an array of), it's slow. If the DAO returns structs with the "__type__" property set, it's fast. Granted, using CFCs is WAY faster on CF8 than it is on CF7, but it's still not fast enough, because you have to pay that instantiation cost up front, even if they don't get sent client-side immediately. In short, the server-side cost is greater than the transmit cost, which totally negates the utility of CFC-based LCDS managed collections. So yes, I've tested it, and the results pretty clearly indicated two facts: - CF8 creates CFCs enormously faster than CF7 - CF8 still creates CFCs too slowly to be instantiating more than a handful per request cheers, barneyb On 10/5/07, Brian Kotek <[EMAIL PROTECTED]> wrote: > Just curious Barney, have you tested this? The numbers indicate that CF8 is > 23 TIMES faster than CF7 creating CFC instances. That is a pretty gigantic > increase. It seems to me that unless you're creating huge numbers > (thousands+) of instances, the option to create true arrays of objects > (instead of queries, for example) is actually a valid option now. Thoughts? > > On 10/5/07, Barney Boisvert <[EMAIL PROTECTED]> wrote: > > > > If I have a dragster that runs the quarter mile in 10 seconds (really > > slow), and I improve it to 7 seconds (a 30% decrease), it's still not > > competitive. I'll grant you that CF8's CFC instantiation is much > > faster than CF7's, but it's still far from sufficiently performant for > > a lot of scenarios. > > > > cheers, > > barneyb > > > > > > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Check out the new features and enhancements in the latest product release - download the "What's New PDF" now http://download.macromedia.com/pub/labs/coldfusion/cf8_beta_whatsnew_052907.pdf Archive: http://www.houseoffusion.com/groups/CF-Talk/message.cfm/messageid:290379 Subscription: http://www.houseoffusion.com/groups/CF-Talk/subscribe.cfm Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=89.70.4
