Python RedisEvalParallelSamplerServerStarter.sample_until_n_accepted Examples

Example #1

File: test_samplers.py Project: basnijholt/pyABC

def test_redis_pw_protection():
    sampler = RedisEvalParallelSamplerServerStarter(  # noqa: S106
        password="******", port=8888)

    def simulate_one():
        accepted = np.random.randint(2)
        return Particle(0, {}, 0.1, [], [], accepted)

    sample = sampler.sample_until_n_accepted(10, simulate_one)
    assert 10 == len(sample.get_accepted_population())
    sampler.cleanup()

Example #2

File: test_samplers.py Project: basnijholt/pyABC

def test_redis_multiprocess():
    sampler = RedisEvalParallelSamplerServerStarter(
        batch_size=3, workers=1, processes_per_worker=1)

    def simulate_one():
        accepted = np.random.randint(2)
        return Particle(0, {}, 0.1, [], [], accepted)

    sample = sampler.sample_until_n_accepted(10, simulate_one)
    assert 10 == len(sample.get_accepted_population())
    sampler.cleanup()

Example #3

def test_redis_pw_protection():
    def simulate_one():
        accepted = np.random.randint(2)
        return pyabc.Particle(0, {}, 0.1, [], [], accepted)

    sampler = RedisEvalParallelSamplerServerStarter(  # noqa: S106
        password="******")
    try:
        # needs to be always set
        sampler.set_analysis_id("ana_id")
        sample = sampler.sample_until_n_accepted(10, simulate_one, 0)
        assert 10 == len(sample.get_accepted_population())
    finally:
        sampler.shutdown()

Example #4

def test_redis_multiprocess():
    def simulate_one():
        accepted = np.random.randint(2)
        return pyabc.Particle(0, {}, 0.1, [], [], accepted)

    sampler = RedisEvalParallelSamplerServerStarter(batch_size=3,
                                                    workers=1,
                                                    processes_per_worker=2)
    try:
        # id needs to be set
        sampler.set_analysis_id("ana_id")

        sample = sampler.sample_until_n_accepted(10, simulate_one, 0)
        assert 10 == len(sample.get_accepted_population())
    finally:
        sampler.shutdown()