Ant

LAPACK has been designed to supersede LINPACK [38] and EISPACK Dense and band matrices are provided for, but not general sparse matrices 9) What about shared memory machines? Are there multi

Degrees of Latency The latency of data access becomes greater with each cache level. Latency of memory access is best measured in CPU clock cycles. One cycle occupies from 4 to 6 nanoseconds, dep

来自：http://www.netlib.org/utk/people/JackDongarra/la-sw.html Freely Available Software for Linear Algebra (May 2013)                          

N= 500 float  no pivoting:  23:19:13:~/..er/inverse$ ./main 500 ***************************************************** // float no pivoting: no_pivot_inverse:0.088006 seconds no_pivot_mult:0.14800

23:37:01:~/..er/inverse$ ./main 2000 ***************************************************** no pivoting: no_pivot_inverse:10.924682 seconds no_pivot_mult:67.480217 seconds A_original*Ainv:      

poisson5point 1000＊1000  cg: 1021 收敛 gmres(50)   261 gmres(100) 217 cg_m  1269  时间都差不多 bicgstab   无穷大，不收敛