This is a pre-production deployment of Warehouse, however changes made here WILL affect the production instance of PyPI.
Latest Version Dependencies status unknown Test status unknown Test coverage unknown
Project Description

This package provides the calculation engine for the Brightway2 life cycle assessment framework. Online documentation is available, and the source code is hosted on Bitucket.

The emphasis here has been on speed of solving the linear systems, for normal LCA calculations, graph traversal, or Monte Carlo uncertainty analysis.

The Monte Carlo LCA class can do about 30 iterations a second (on a 2011 MacBook Pro). Instead of doing LU factorization, it uses an initial guess and the conjugant gradient squared algorithm.

The multiprocessing Monte Carlo class (ParallelMonteCarlo) can do about 100 iterations a second, using 7 virtual cores. The MultiMonteCarlo class, which does Monte Carlo for many processes (and hence can re-use the factorized technosphere matrix), can do about 500 iterations a second, using 7 virtual cores. Both these algorithms perform best when the initial setup for each worker job is minimized, e.g. by dispatching big chunks.

Release History

Release History

1.5.3

This version

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1.5.2

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1.5.1

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1.5

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1.4

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1.3.6

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1.3.5

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1.3.4

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1.3.3

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1.3.1

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1.3

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1.2.1

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1.2

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1.1.dev5

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1.1.dev4

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1.0

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0.17.1

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0.17

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0.16.1

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0.16

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0.15.1

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0.15

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0.14.1

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0.14

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0.13

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0.12

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0.11.1

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0.11

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0.10.2

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0.10.1

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0.9.3

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0.9.2.2

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0.9.2

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0.9.1

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0.9.0-alpha3

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0.9.0-alpha

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0.8.2

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0.8.1.1

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0.8.1

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0.8

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0.1

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Download Files

Download Files

TODO: Brief introduction on what you do with files - including link to relevant help section.

File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
bw2calc-1.5.3-py3-none-any.whl (30.7 kB) Copy SHA256 Checksum SHA256 3.5 Wheel Oct 28, 2016
bw2calc-1.5.3.tar.gz (32.2 kB) Copy SHA256 Checksum SHA256 Source Oct 28, 2016

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