Ok, I've submitted it as a performance bug to Apple. It's a quick win fix to be honest with a large effect on their MIDI users.
I should try a test using MIDIEndPoint attached to the MusicTrack to add the note events instead.. Nick On 8 Dec 2009, at 14:59, Simone Tellini wrote: > NickK ha scritto: >> I've sampled the application running and it spends 100% of it's time within >> std::vector operations - iterator and copy. So I'm assuming it adds the >> event by iterating through the entire current set until it finds the correct >> timestamp location and then makes a gap my copying the data before inserting >> it. >> >> It seems a little barking mad for Apple to use a linear search routine and I >> would suspect a hashed based dense key storage system would have been >> better? This would slow down with more additions! >> >> Is this a known issue that others have experienced? >> > yes, I've noticed the same thing. > > Luckily, I've never had to add that many events/notes, so I could bear to > wait for some seconds. > > -- > Simone Tellini > http://www.tellini.org > > _______________________________________________ > > Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) > > Please do not post admin requests or moderator comments to the list. > Contact the moderators at cocoa-dev-admins(at)lists.apple.com > > Help/Unsubscribe/Update your Subscription: > http://lists.apple.com/mailman/options/cocoa-dev/cocoadev%40adrenalin-junkie.net > > This email sent to cocoa...@adrenalin-junkie.net _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
