On 8 September 2011 05:35, Michael Hope <michael.h...@linaro.org> wrote: > On Mon, Sep 5, 2011 at 9:32 PM, David Gilbert <david.gilb...@linaro.org> > wrote: >> On 5 September 2011 04:21, Michael Hope <michael.h...@linaro.org> wrote: >>> On Fri, Sep 2, 2011 at 4:08 PM, Michael Hope <michael.h...@linaro.org> >>> wrote: >>> http://people.linaro.org/~michaelh/incoming/strings-performance/sizes-strlen-08.png >> >> That's very nice - although quite bizarre; even the lower end of the >> steps are suitably >> fast so not really anything to worry about; but it would be great to >> understand where >> the 1500 cycle difference is going at the large end. > > I've re-run the strlen tests on four different A9 chips which cover > four different revisions of the A9 core. See: > http://people.linaro.org/~michaelh/incoming/variants-strlen-08.png > > I'm afraid I don't know how to turn the /proc/cpuinfo variant and > revision into an ARM rxpy. vela is v1:r0. ursa is a v1:r2. leo is a > v2:r1. silverbell is a v0:r1.
The way I've interpreted this is to do s/r/p and s/v/r in the v[0-9]:r[0-9] strings above. Someone from the kernel team can correct me if I am wrong. Ramana _______________________________________________ linaro-toolchain mailing list linaro-toolchain@lists.linaro.org http://lists.linaro.org/mailman/listinfo/linaro-toolchain
