Hi, Same performance hit on MBS 12.5 and MBS 13.1pr8, so LCMS 2.4 still has this problem.
Lee On 23 Jan 2013, at 17:08, Lee Badham wrote: > Hi, > > I've been updating an app to use LCMS2, rather than LCMS1 and have a 2000% > performance drop using CreateTransform. > > Basically: > > Function Createlcms2transform(p as LCMS2ProfileMBS) As LCMS2TransformMBS > return > LCMS2TransformMBS.CreateTransform(p,LCMS2MBS.kTYPE_CMYK_16,lcms2labprofileLCMS2MBS.kTYPE_Lab_16,3) > > End Function > > Takes 20 times longer than > > Function Createlcmstransform1(p as CMProfileMBS) As CMTransformMBS > return > LCMSMBS.CreateTransform(p,LCMSMBS.TYPE_CMYK_16,lcmslabprofile,LCMSMBS.TYPE_Lab_16,3) > > End Function > > or > > Function Createlcmstransform(p as CMProfileMBS) As CMTransformMBS > return LCMSMBS.CreateTransform(p,lcmslabprofile,3) > > End Function > > Here's the profile information calling these functions 100 times. > > Window1 > Name Called Average (seconds) Total (seconds) % > Createlcmstransform 101 0.0042 0.42 3% > Createlcmstransform1 101 0.004 0.40 3% > Createlcms2transform 101 0.1064 10.75 90% > Total 23.15 193% > > What can I do about this? As I import colour information I create these > transforms to calculate new colours so each transform is done many times. > > Lee Badham > > www.bodoni.co.uk | www.presssign.com > > > _______________________________________________ > Mbsplugins_monkeybreadsoftware.info mailing list > mbsplugins@monkeybreadsoftware.info > https://ml01.ispgateway.de/mailman/listinfo/mbsplugins_monkeybreadsoftware.info Lee Badham www.bodoni.co.uk | www.presssign.com _______________________________________________ Mbsplugins_monkeybreadsoftware.info mailing list mbsplugins@monkeybreadsoftware.info https://ml01.ispgateway.de/mailman/listinfo/mbsplugins_monkeybreadsoftware.info
