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Atomic Sequence

A lock-free, thread-safe sequence/counter which uses the C++ atomic library under the hood. This gives a ~5-10x speed up compared to threading locks.

Install

pip install atomic-sequence

Usage

from atomicsequence import Sequence

sequence = AtomicSequence(0)

# set current sequence value to 1
sequence.set(1)

# get current value
value = sequence.get()

# increment the sequence value and get the new value
value = sequence.increment_and_get(1)

# increment the sequence value and get the value directly preceding the operation
value = sequence.get_and_increment(1)

Testing

To run unittests and benchmarks use tox:

pipenv install --dev
pipenv run tox

Metadata

Release files for atomic-sequence 0.0.9

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Source distribution for atomic-sequence 0.0.9
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