On 02/23/2016 03:28 PM, Mathieu Desnoyers wrote: > Hi, > > Here is a patchset implementing a cache for the CPU number of the > currently running thread in user-space. > > Benchmarks comparing this approach to a getcpu based on system call on > ARM show a 44x speedup. They show a 14x speedup on x86-64 compared to > executing lsl from a vDSO through glibc. > > I'm added a man page in the changelog of patch 1/3, which shows an > example usage of this new system call. > > This series is based on v4.5-rc5, submitted for Linux 4.6. > > Feedback is welcome, > What is the resulting context switch overhead? -hpa -- To unsubscribe from this list: send the line "unsubscribe linux-api" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
