tag:blogger.com,1999:blog-3971202189709462152.post639063580401330508..comments2024-03-11T12:50:02.036+01:00Comments on PyPy Status Blog: Automatic SIMD vectorization support in PyPyCarl Friedrich Bolz-Tereickhttp://www.blogger.com/profile/00518922641059511014noreply@blogger.comBlogger5125tag:blogger.com,1999:blog-3971202189709462152.post-31653323297215792422015-10-21T12:14:21.067+02:002015-10-21T12:14:21.067+02:00Nice work!Nice work!René Dudfieldhttps://www.blogger.com/profile/17762358075557755436noreply@blogger.comtag:blogger.com,1999:blog-3971202189709462152.post-17608972752129052502015-10-21T09:44:07.485+02:002015-10-21T09:44:07.485+02:00NumPyPy is currently not complete. Trying to evalu...NumPyPy is currently not complete. Trying to evaluate any numexpr gives a strange error. I guess the problem is a missing field not exported by NumPyPy.<br />However we will see how far we can get with this approach. I have made some thoughts on how we could make good use of graphics cards, but this is future work.Anonymoushttps://www.blogger.com/profile/02130724892395397202noreply@blogger.comtag:blogger.com,1999:blog-3971202189709462152.post-53960056310736039972015-10-21T06:03:36.130+02:002015-10-21T06:03:36.130+02:00I don't know anyone who uses NumPy for arrays ...I don't know anyone who uses NumPy for arrays with less than 128 elements.<br /><br />Your own benchmark shows NumPypy is much slower than NumPy for large arrays...Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-3971202189709462152.post-17622815122668563082015-10-20T23:20:58.298+02:002015-10-20T23:20:58.298+02:00How does it compare to numexpr on those benchmarks...How does it compare to numexpr on those benchmarks?<br /><br />Also, any plan of addressing one of the killer features of numexpr, that is the fact that an operation like y += a1*x1 + a2*x2 + a3*x3 will create 5 temporary vectors and make a horrible usage of the CPU cache?crusaderkyhttps://www.blogger.com/profile/15410378116926431494noreply@blogger.comtag:blogger.com,1999:blog-3971202189709462152.post-64156228047040636122015-10-20T21:27:16.507+02:002015-10-20T21:27:16.507+02:00Which BLAS are u using for CPython Numpy? OpenBlas...Which BLAS are u using for CPython Numpy? OpenBlas?Naxhttps://www.blogger.com/profile/09305011713397418642noreply@blogger.com