On Tuesday, 23 August 2016 at 13:26, Dan Horák wrote:
On Tue, 23 Aug 2016 13:17:54 +0200
gil <puntogil(a)libero.it> wrote:
> hi
>
> tried to build
https://bugzilla.redhat.com/show_bug.cgi?id=1366839
>
> on arm builder
> but there is this problem
>
> net_openhft_ticker_impl_JNIClock.cpp:59:25: error: 'rdtsc' was not
> declared in this scope
rdtsc is x86 specific instruction for getting the number of ticks
(clock), so likely the code in question is x86-specific
I'd suggest looking at how GROMACS does it, for example:
https://github.com/gromacs/gromacs/blob/master/src/gromacs/timing/cycleco...
Do note that the mrrc instruction on ARMv7 will fail with SIGILL,
because it's a kernel-mode instruction:
https://redmine.gromacs.org/issues/1933
Regards,
Dominik
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