Re: [Numpy-discussion] Numpy: controlling ATLAS multithreading

2011-03-23 Thread Mark Dixon
On Wed, 23 Mar 2011, Ralf Gommers wrote: ... >> Does Numpy have the capability to choose between the single-threaded and >> multi-threaded ATLAS libraries at runtime? Or do I need to make this >> decision at build time? > > You need to decide at build time. ... Thanks Ralf Mark -- --

Re: [Numpy-discussion] Numpy: controlling ATLAS multithreading

2011-03-23 Thread Ralf Gommers
On Wed, Mar 23, 2011 at 10:11 AM, Mark Dixon wrote: > Hi, > > I've built Numpy 1.5.1 against a copy of ATLAS 3.8.3 and LAPACK 3.3.0, > it's passing all tests and is looking good. Great. > > I note that Numpy preferentially links against the multi-threaded ATLAS > libraries; however, we sometimes w

[Numpy-discussion] Numpy: controlling ATLAS multithreading

2011-03-23 Thread Mark Dixon
Hi, I've built Numpy 1.5.1 against a copy of ATLAS 3.8.3 and LAPACK 3.3.0, it's passing all tests and is looking good. Great. I note that Numpy preferentially links against the multi-threaded ATLAS libraries; however, we sometimes want to constrain a process to a single thread, and sometimes n