[LLVMdev] LNT BenchmarkGame
baldrick at free.fr
Tue Mar 12 09:21:26 PDT 2013
On 12/03/13 15:33, Renato Golin wrote:
> On 12 March 2013 14:24, Tim Northover <t.p.northover at gmail.com
> <mailto:t.p.northover at gmail.com>> wrote:
> Could be worth a try. But if that thing really is generating random
> numbers I'm not sure replacing one genuine cast-iron random number
> with another is the best solution long-term.
> The test is initializing srand(1), so in theory, it shouldn't be different
> between compilers, since Clang is using the same libraries.
> Also, if the "native" result is generated by GCC, than all problems go away,
> since the result will be target dependent (or rather, library dependent). Is
> there a way to turn on the dynamic generation of the native file instead of
> copying it from the reference_output?
IIRC the reference output is not used by default. You have to put
USE_REFERENCE_OUTPUT := 1
in the Makefile in order to make use of the reference output. As
BenchmarkGame doesn't have this, are you sure the reference output
is causing the problem?
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