[mpich-devel] ./configure --enable-timer-type help output missing
Jeff Hammond
jeff.science at gmail.com
Thu Apr 7 15:24:03 CDT 2016
I recall that the base configure script used to emit the help associated
with --enable-timer-type. It no longer does so, although the option is
still present in src/mpl/configure.
Do I have a reasonable expectation of seeing --help output for all options
in the base configure, or am I expected to run --help against every
configure in the tree?
Thanks,
Jeff
jrhammon-mac01:git jrhammon$ ./configure --help | grep time
runtime - error checking controllable at runtime through
environment
runtime - Runtime control of data collected
runtime - Alias to "multiple"
--enable-mutex-timing calculate the time spent waiting on mutexes
speeds up one-time build
sometimes confusing) to the casual installer
User-defined run-time library search path.
jrhammon-mac01:git jrhammon$ ./src/mpl/configure --help | grep time
speeds up one-time build
--enable-timer-type=name - Select the timer to use for MPI_Wtime and
internal timestamps.
gethrtime - Solaris timer (Solaris systems only)
clock_gettime - Posix timer (where available)
gettimeofday - Most Unix systems
linux86_cycle - Linux x86; returns cycle counts, not time in
seconds*
gcc_ia64_cycle - IPF ar.itc timer*
mach_absolute_time - Mach absolute time (alternative to clock_gettime
device - The timer is provided by the device
*Note that the cycle timers are intended to be used by
User-defined run-time library search path.
--
Jeff Hammond
jeff.science at gmail.com
http://jeffhammond.github.io/
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