On Fri, 19 Nov 2010, Irfan Shaikh wrote: > Hello, > > Please tell me > a) Difference between working of snd_pcm_mmap_writei and snd_pcm_writei ? > b) Performance wise which is better ? The mmap functions does not require user space / kernel context switches. > When i use gettimeofday almost profile time comes almost same for both of them. With current hw power, there are no major differences. Jaroslav ----- Jaroslav Kysela <perex@xxxxxxxx> Linux Kernel Sound Maintainer ALSA Project, Red Hat, Inc. _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
