Hi, So adding cmsFLAGS_NOOPTIMIZE to the transform makes it faster, so we are back into LCMS1 performance. Now I've got to check whether the calculations are good / fast enough
Lee On 24 Jan 2013, at 10:10, Lee Badham wrote: > 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 >> [email protected] >> https://ml01.ispgateway.de/mailman/listinfo/mbsplugins_monkeybreadsoftware.info > > Lee Badham > > www.bodoni.co.uk | www.presssign.com > > > _______________________________________________ > Mbsplugins_monkeybreadsoftware.info mailing list > [email protected] > https://ml01.ispgateway.de/mailman/listinfo/mbsplugins_monkeybreadsoftware.info Lee Badham www.bodoni.co.uk | www.presssign.com _______________________________________________ Mbsplugins_monkeybreadsoftware.info mailing list [email protected] https://ml01.ispgateway.de/mailman/listinfo/mbsplugins_monkeybreadsoftware.info
