http://llvm.org/bugs/show_bug.cgi?id=11629
Bug #: 11629
Summary: SingleSource/Benchmarks/BenchmarkGame/puzzle use of
rand() + golden file is not libc agnostic
Product: Test Suite
Version: trunk
Platform: PC
OS/Version: All
Status: NEW
Severity: enhancement
Priority: P
Component: Programs Tests
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
Classification: Unclassified
The "puzzle" test uses rand() and rand() is not standardized (only an "example
of an implementation" is given in the manpage). Thus, if a system uses a
different libc (e.g., newlib), then the output will not match the golden file.
If the benchmark is changed to use a fixed "myrand()" and "mysrand()", then the
benchmark will be consistent on different systems. If myrand() is the exact
example given in the manpage, then the golden file would not need to be
changed. Hopefully the performance numbers don't change much either.
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