file ddsv/readme for overview of ddsv file ddsv/slpsubhalf.f for software to measure the performance of routines SGEFA and , SGESL from the Linpack package. file ddsv/linpacks for software to run the "Linpack Benchmark" file ddsv/sblas1 for single precision Level 1 BLAS file ddsv/dblas1 for double precision Level 1 BLAS file ddsv/cblas1 for complex precision Level 1 BLAS file ddsv/zblas1 for double complex precision Level 1 BLAS file ddsv/sblas2 for single precision Level 2 BLAS file ddsv/dblas2 for double precision Level 2 BLAS file ddsv/cblas2 for complex precision Level 2 BLAS file ddsv/zblas2 for double complex precision Level 2 BLAS file ddsv/sblas3 for single precision Level 3 BLAS file ddsv/dblas3 for double precision Level 3 BLAS file ddsv/cblas3 for complex precision Level 3 BLAS file ddsv/zblas3 for double complex precision Level 3 BLAS file ddsv/slus.f for single precision versions of different blocked , LU decomposition algorithms file ddsv/schol.f for single precision versions of different blocked , Cholesky decomposition algorithms file ddsv/sqrs.f for single precision versions of different blocked , QR decomposition algorithms file ddsv/benchm.f for a benchmark program for performance test for Fortran loops. , The program executes a number of Fortran DO-loops and lists , the execution times for different loop lengths, the Mflops-rates , and the performance parameters R-inf and n-half. file ddsv/pcg3d.f for a preconditioned conjugate gradient code for 3D problems. .