https://forums.adobe.com/community/lightroom/lightroom_sdk?view=discussions Most recent forum messages en Tue, 09 Nov 2010 21:34:17 GMT Jive Engage 7.0.0.1 (http://jivesoftware.com/products/) 2010-11-09T21:34:17Z en https://forums.adobe.com/message/3264184?tstart=0#3264184 <!-- [DocumentBodyStart:1459a086-586e-463b-9f0e-18ece7c8e6aa] --><div class="jive-rendered-content"><p>Hi John,</p><p style="min-height: 8pt; padding: 0px;">&nbsp;</p><p>I've certainly noticed plenty of waiting for Lightroom that I could not account for by looking sloppily at cpu utilization and disk activity. I've always suspected there is some task-switching/synchronization type issues that are slowing it down even as the cpu cycles are not being logged.</p><p style="min-height: 8pt; padding: 0px;">&nbsp;</p><p>Sounds like you may be on to something...</p><p style="min-height: 8pt; padding: 0px;">&nbsp;</p><p>Thanks for sharing,</p><p>Rob</p></div><!-- [DocumentBodyEnd:1459a086-586e-463b-9f0e-18ece7c8e6aa] --><img src='/beacon?t=1415888275431' /> Tue, 09 Nov 2010 21:34:17 GMT forums_noreply@adobe.com https://forums.adobe.com/message/3264184?tstart=0#3264184 2010-11-09T21:34:17Z 4 years 4 days ago 0 https://forums.adobe.com/message/3263793?tstart=0#3263793 <!-- [DocumentBodyStart:0c553292-54c0-4c76-80b9-14da513bf7b7] --><div class="jive-rendered-content"><p>There have been some previous postings on the slowth of LrKeyword methods and the crimp that puts in a number of different plugins.&nbsp; Just now, I <span>gathered some reasonably detailed measurements that are pretty interesting.</span></p><p style="min-height: 8pt; padding: 0px;">&nbsp;</p><p><span>On Windows, LrKeyword.getName, getParent, getChildren, and getSynonyms take about 6.3 msecs/call, while on Mac OS (on similar hardware) they cost 1.0 msecs/call, 6 times faster!&nbsp; The CPU utilization of the lightroom.exe process on Windows is very low, suggesting the performance slowth may be in file locking or other OS calls.</span></p><p style="min-height: 8pt; padding: 0px;">&nbsp;</p><p><span>The upshot is that a plugin on Windows can only load the keyword hierarchy at about 50 - 60 keywords/sec, while on Mac it can load at about 250 - 300 keywords/sec.</span></p></div><!-- [DocumentBodyEnd:0c553292-54c0-4c76-80b9-14da513bf7b7] --> Tue, 09 Nov 2010 19:24:11 GMT forums_noreply@adobe.com https://forums.adobe.com/message/3263793?tstart=0#3263793 2010-11-09T19:24:11Z 4 years 4 days ago 1 0