Hallo, Roman Haefeli hat gesagt: // Roman Haefeli wrote: > i made a patch, that uses several instances of an abstraction based on > the partconv~ external in order to do binaural spatialization of sounds > using a set of hrtf tables. the hrtf files are all loaded on loadbang > into tables, so that they can be accessed quickly. it is part of the > patch, that a 'set <tablename>' message to all [partconv~]s is sent > quite often, which leads to dropouts on the box, where the installation > is meant to run (for some reason not on my personal laptop). i also > noticed a difference in performance between an old version of partconv~ > (0.1) and the current svn version, whereas the latter is more likely to > cause dropout at high 'set' message rates.
I had a quick look at the partconv~ source code and found that everytime a "set" message is sent, partconv~ does quite a bit of memory allocation to configure itself for the new convolution core. This may be a reason for the dropouts if you "set" the objects with a high rate, as memory allocation is not very realtime friendly. You could try to avoid some of the "set"s by creating more partconv~ objects that statically refer to their tables. Of course that's a bit tricky with 1400 tables ... Ciao -- Frank Barknecht _ ______footils.org__ _______________________________________________ PD-list@iem.at mailing list UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list