On Sunday, 30 August 2015 11:13:03 UTC+2, Andrew P. Lentvorski wrote: > > Apparently mmap is doing something stupid that slows down the access from > user space. >
It maps the memory as "strongly ordered", which means the writes get flagged with a "delivery confirmation required" bit and the cpu will sit and wait for it. -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
