There is also the ipython cluster which seems quite similar to parallelpython.
On 27 April 2014 20:37, Aaron Meurer <[email protected]> wrote: > I've never heard of that before. I guess you can try importing sympy > and running the tests in it, and that will tell you what works and > what doesn't, at least as a start. > > Aaron Meurer > > On Sun, Apr 27, 2014 at 7:01 AM, Alan Bromborsky <[email protected]> wrote: >> No I mean parallel python http://www.parallelpython.com/ which gets around >> the problem of the GIL. >> >> >> On 04/27/2014 06:48 AM, F. B. wrote: >> >> I am not very expert of parallel processing in Python, but as no one else is >> answering, and supposing you mean multithreading, I'll point out the problem >> concerned with multithreading in Python. >> >> Python's main implementation, CPython, has a Global Interpreter Lock (GIL), >> which forbids the interpreter to create new threads. When you use modules >> such as threads, CPython is still using a single thread which emulates >> multithreading. I don't believe you will get some speedup, that threading >> support looks more like a control flow on the code. >> >> http://en.wikipedia.org/wiki/Global_Interpreter_Lock >> >> Multiprocessing should be able to fork an independent process on the CPU, >> but unfortunately a new process requires the memory space of the previous >> process to be cloned as well, which may be not very comfortable. IPython >> supports cluster distribution of computations on many computers. >> >> PyPy should have a better support for multithreading, as far as I know. >> >> On Friday, April 25, 2014 6:13:01 PM UTC+2, brombo wrote: >>> >>> Has anyone had any experience in using parallel python with sympy. It >>> seems to me that there are probably a lot of loops that have independent >>> operations. >> >> -- >> You received this message because you are subscribed to the Google Groups >> "sympy" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To post to this group, send email to [email protected]. >> Visit this group at http://groups.google.com/group/sympy. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/sympy/455f0bb6-5e0e-433c-81af-d68ab1da41ad%40googlegroups.com. >> For more options, visit https://groups.google.com/d/optout. >> >> >> -- >> You received this message because you are subscribed to the Google Groups >> "sympy" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To post to this group, send email to [email protected]. >> Visit this group at http://groups.google.com/group/sympy. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/sympy/535CF1A7.3040603%40verizon.net. >> >> For more options, visit https://groups.google.com/d/optout. > > -- > You received this message because you are subscribed to the Google Groups > "sympy" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/sympy. > To view this discussion on the web visit > https://groups.google.com/d/msgid/sympy/CAKgW%3D6K2o8OXJX7temz1m8m8eB7XsAa9-O2HWn4s1r4bQOVQMQ%40mail.gmail.com. > For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups "sympy" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/sympy. To view this discussion on the web visit https://groups.google.com/d/msgid/sympy/CAD8szLxnKP93_zXej68WBLDKn4ct0drU_Xge27KVwQbW8Ldt%2Bg%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
