feature: Add mpi support for mxnet estimator api & remove local_mode test for horovod [tf+mx] #1581

ChaiBapchya · 2020-06-12T00:22:37Z

Issue #, if available: None

Description of changes:
Mxnet supports horovod for distributed training.
However, sagemaker-mxnet python sdk doesn't expose the horovod support.
This PR includes changes to allow end-users to invoke horovod [via mpi] as a key:value parameter in "distributions" dictionary

Testing done:

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…rparam

…pu, remove script_mode since mx/pt doesnt hv it

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src/sagemaker/fw_utils.py

src/sagemaker/mxnet/estimator.py

tests/integ/test_horovod_mx.py

laurenyu · 2020-07-22T18:21:25Z

tests/integ/test_horovod_mx.py

+
+@pytest.mark.local_mode
+@pytest.mark.parametrize("instances, processes", [[1, 2], (2, 1), (2, 2)])
+def test_horovod_local_mode(sagemaker_local_session, instances, processes, tmpdir):


other than reading the output file, it doesn't seem like this test is providing much value for testing Python SDK functionality. would it be possible to instead put the assert at the end of the CPU test above?

I'm following the same approach as horovod test for tensorflow in tests/integ/test_horovod.py
So for consistency purposes I'm sticking to a similar approach.

I could see both the TF and this one being removed. testing for the processes being set up correctly, etc. should live in the framework toolkit repositories, and here we just need to make sure that the hyperparameters get passed along correctly.

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…ral and remove unnecessary condition

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add mpi support for mxnet estimator api

5650ab5

update function definition

1247c01

add hvd mnist mxnet test scripts

84102c9

ChaiBapchya added 2 commits June 12, 2020 18:12

replace self.dist with dist and additional_hyperparam with self._hype…

751327e

…rparam

no ps warning if mpi, rename job name, train_instance_type to local_g…

3c05a2b

…pu, remove script_mode since mx/pt doesnt hv it

add non-local test for sm-hvd-mx

aa9d5cd

This was referenced Jun 13, 2020

[mxnet] [build, test] [sagemaker] update dockerfile with MPI/OpenSSH & add horovod test aws/deep-learning-containers#273

Merged

Add mpi support for distributed training in MXNet aws/sagemaker-mxnet-training-toolkit#178

Merged

remove imagename var

9fc4128

laurenyu changed the title ~~[feature] Add mpi support for mxnet estimator api~~ feature: Add mpi support for mxnet estimator api Jul 22, 2020

chuyang-deng previously approved these changes Jul 22, 2020

View reviewed changes

Merge branch 'master' into mx_estimator_horovod_mpi

6470c09

laurenyu reviewed Jul 22, 2020

View reviewed changes

update import grouping acc to Pep8, fix restructured text inline lite…

d008108

…ral and remove unnecessary condition

ChaiBapchya dismissed chuyang-deng’s stale review via d008108 July 22, 2020 19:15

remove local mode test from tf & mx horovod

8845d48

laurenyu approved these changes Jul 23, 2020

View reviewed changes

Merge branch 'master' into mx_estimator_horovod_mpi

484a12f

laurenyu merged commit 78f0b8b into aws:master Jul 23, 2020

ChaiBapchya deleted the mx_estimator_horovod_mpi branch July 23, 2020 17:10

ChaiBapchya changed the title ~~feature: Add mpi support for mxnet estimator api~~ feature: Add mpi support for mxnet estimator api & remove local_mode test for horovod [tf+mx] Jul 23, 2020

feature: Add mpi support for mxnet estimator api & remove local_mode test for horovod [tf+mx] #1581

feature: Add mpi support for mxnet estimator api & remove local_mode test for horovod [tf+mx] #1581

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