Fix PR65093, timeouts with 26_numerics/random/binomial_distribution/operators/values.cc

[Jonathan Wakely]

On 19/02/15 16:31 +0100, Hans-Peter Nilsson wrote:
>Lately,
>26_numerics/random/binomial_distribution/operators/values.cc has
>started to FAIL on trunk with a timeout for my autotester for
>cris-elf, a soft-float simulator target running a cgen-generated
>simulator on a six-year-old x86_64-linux-gnu host.  The reason
>it's started to fail in the last few days are not clear, except
>that they're probably local: I've eliminated code quality issues
>and the test-case itself hasn't changed in about 1.5 years (a
>few more details in the PR).
>
>Anyway, the test-case is by appearance a few test-cases bundled
>together, which seem to be just as well tested individually
>considering the apparent intent of the test and considering that
>the last non-comment change was to add the last two sub-tests.
>(A split-up is also what's done in the past, in preference to
>cutting down the test with ifdefs for simulator targets.)  So, I
>split out all-but-the-first subtest from values.cc.
>
>For those interested, the individual runtimes (total M:S) for
>the plain simulator runs on that machine, together with the
>cycle counts (when using --cris-cycles=all) after the split-up are:
>
>values: 0:51.131 4011197245
>values2: 3:16.39 15456247210
>values3: 1:11.76 5633161989
>values4: 0:20.944 1626754775
>values5: 3:24.28 16163068067
>
>(I just wanted to make sure the longest run wasn't over half the
>default time out, i.e. not over five minutes.)
>
>Ok to commit?

Yes, OK - thanks.