John Keeping <[email protected]> writes:
> On Mon, Apr 29, 2013 at 07:35:01PM +0530, Ramkumar Ramachandra wrote:
>> On a related note, one place that IO parallelism can provide massive
>> benefits is in executing shell scripts. Accordingly, I always use the
>> following commands to compile and test git respectively:
>>
>> make -j 8 CFLAGS="-g -O0 -Wall"
>> make -j 8 DEFAULT_TEST_TARGET=prove GIT_PROVE_OPTS="-j 16" test
>>
>> i.e. always use 8 threads when the task is known to be CPU intensive,
>> and always use 16 threads when the task is known to be IO intensive.
>
> On this tangent, I recently added a TEST_OUTPUT_DIRECTORY line to my
> config.mak which points into a tmpfs mount. Keeping all of the test
> repositories in RAM makes the tests significantly faster for me and
> works nicely when you have the patches in jk/test-output (without those
> patches the individual tests work but the reporting of aggregate results
> doesn't).
But that's been possible for quite some time now, using --root, or am I
missing something?
(Not that the fix as such is a bad idea, but other readers might not
want to wait for it to hit master.)
--
Thomas Rast
trast@{inf,student}.ethz.ch
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