setup.py | 2 1 + 1 - 0 !
1 file changed, 1 insertion(+), 1 deletion(-)

 force to use cffi for multi-platform compatibility

Big-endian platform only works with CFFI interface.

tests/conftest.py | 22 14 + 8 - 0 !
1 file changed, 14 insertions(+), 8 deletions(-)

 fill "unknown" if cpuinfo module is not supported the platform

tests/test_benchmark.py | 2 2 + 0 - 0 !
1 file changed, 2 insertions(+)

 make benchmark test as optional one

Benchmark test is not work on minor platforms because "cpuinfo"
module that used by benchmark test is not works on minor
platforms.

tests/conftest.py | 22 7 + 15 - 0 !
1 file changed, 7 insertions(+), 15 deletions(-)

 update benchmark code