We invite your feedback. In V4.1, the sparse solvers' default matrix reordering scheme was improved. The sparse solvers sometimes overestimated the amount of memory required to solve matrix problems of given size. This has been corrected. It will be removed from the CXML in a future release.
Some applications can see a negative speed up if they are calling dgemm from a parallel environment.
It is due to the interaction between malloc and pthreads. Copyright Compaq Computer Corporation. All Rights Reserved.