Regression in scimark2.MonteCarlo in jdk7_b112 on Linux

Mark Christiaens wrote:
> I suspect that there may be a speed regression. See the "Monte Carlo"
> entry of the scimark benchmark:
>
> On build 110:
>
> /usr/java/latest/bin/java -XX:+AggressiveOpts -XX:+UseFPUForSpilling -cp
> scimark2lib.jar jnt/scimark2/commandline
>
> SciMark 2.0a
>
> Composite Score: 1141.003846727709
> FFT (1024): 710.19567440319
> SOR (100x100): 1275.7066629070716
> Monte Carlo : 620.660007029971
> Sparse matmult (N=1000, nz=5000): 1237.695921732067
> LU (100x100): 1860.760967566245
>
> On build 112:
>
> /usr/java/latest/bin/java -XX:+AggressiveOpts -cp scimark2lib.jar
> jnt/scimark2/commandline
>
> SciMark 2.0a
>
> Composite Score: 1042.2369328772832
> FFT (1024): 713.0991697764947
> SOR (100x100): 1276.9747697972227
> Monte Carlo : 212.3698130107359
> Sparse matmult (N=1000, nz=5000): 1061.7415523163634
> LU (100x100): 1946.9993594855982
>
> My CPU: Intel(R) Core(TM) i5 CPU 750 @ 2.67GHz
> My OS: Fedora 13, 64 bit
>
> Kind regards,
>
> Mark