MathKeisan 2.0.0 for SX Release Notes

July 2006
NEC Corporation

New in MathKeisan 2.0.0

BLAS library tuned for the latest SX-8 family of processors
- Significant improvements in the serial and parallel subroutines CGEMV, ZGEMV, CSYMV, ZSYMV, CHEMV, ZHEMV, SGEMM, DGEMM, CGEMM, ZGEMM
BLAS library fixed to handle NaN arguments correctly
Performance improvement for LAPACK subroutines SGETRF, DGETRF, CGETRF, ZGETRF
Added LAPACK subroutines STTQRE, DTTQRE, CTTQRE, ZTTQRE
ScaLAPACK library updated to version 1.7.4
Performance improvements in ScaLAPACK subroutines PSGETRS, PDGETRS, PCGETRS, PZGETRS
Corrected instability in ScaLAPACK subroutine PDSYEVX
Performance improvements in subroutines SFFTS, DFFTS, CFFTS, ZFFTS for the inverse transform when data is contiguous
Correction to interface subroutines SFFTS, DFFTS, CFFTS, and ZFFTS when iopt=0
Memory reduction and improved parallel scaling for FFT and PARFFT subroutines SCFFT3D, CSFFT3D, DZFFT3D, ZDFFTED
Correction of accuracy error for FFT and PARFFT subroutines DZFFTM and ZDFFTM
Performance improvement for subroutines RFFTMLT and DFFTMLT

The MathKeisan 2.0.0 distribution for SX contains these files:

For information about using MathKeisan, please see the MathKeisan User's Guide (also available at www.mathkeisan.com).

If you have any questions or feedback about MathKeisan, please contact us at www.mathkeisan.com.