pymor.parallel.ipython

Module Contents

class pymor.parallel.ipython.IPythonPool(num_engines=None, **kwargs)[source]

Bases: pymor.parallel.basic.WorkerPoolBase

WorkerPool based on the IPython parallel computing features.

Parameters:

  • num_engines – Number of IPython engines to use. If None, all available engines are used.

  • kwargs – Keyword arguments used to instantiate the IPython cluster client.

class pymor.parallel.ipython.RemoteId[source]

Bases: int

int([x]) -> integer int(x, base=10) -> integer

Convert a number or string to an integer, or return 0 if no arguments are given. If x is a number, return x.__int__(). For floating-point numbers, this truncates towards zero.

If x is not a number or if base is given, then x must be a string, bytes, or bytearray instance representing an integer literal in the given base. The literal can be preceded by ‘+’ or ‘-’ and be surrounded by whitespace. The base defaults to 10. Valid bases are 0 and 2-36. Base 0 means to interpret the base from the string as an integer literal. >>> int(‘0b100’, base=0) 4

class pymor.parallel.ipython.new_ipcluster_pool(profile=None, cluster_id=None, num_engines=None, ipython_dir=None, min_wait=1, timeout=60)[source]

Bases: pymor.core.base.BasicObject

Create a new IPython parallel cluster and connect to it.

This context manager can be used to create an IPythonPool WorkerPool. When entering the context a new IPython cluster is created using the ipcluster script and an IPythonPool is instantiated for the newly created cluster. When leaving the context the cluster is shut down.

Parameters:

  • profile – Passed as --profile parameter to the ipcluster script.

  • cluster_id – Passed as --cluster-id parameter to the ipcluster script.

  • nun_engines – Passed as --n parameter to the ipcluster script.

  • ipython_dir – Passed as --ipython-dir parameter to the ipcluster script.

  • min_wait – Wait at least this many seconds before trying to connect to the new cluster.

  • timeout – Wait at most this many seconds for all Ipython cluster engines to become available.