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Merged
merged 1 commit into from
Jan 18, 2019
Merged

Support DistributionStrategy API #388

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2 changes: 1 addition & 1 deletion tensorflowonspark/TFSparkNode.py
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Original file line number Diff line number Diff line change
Expand Up @@ -275,7 +275,7 @@ def _mapfn(iter):
cluster_spec[njob] = hosts

# update TF_CONFIG if cluster spec has a 'master' node (i.e. tf.estimator)
if 'master' in cluster_spec:
if 'master' in cluster_spec or 'chief' in cluster_spec:
tf_config = json.dumps({
'cluster': cluster_spec,
'task': {'type': job_name, 'index': task_index},
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6 changes: 3 additions & 3 deletions tensorflowonspark/gpu_info.py
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Expand Up @@ -96,9 +96,9 @@ def parse_gpu(gpu_str):
proposed_gpus = free_gpus[:num_gpu]
else:
# ordered by worker index
if worker_index + num_gpu > num_available:
worker_index = worker_index % num_available
proposed_gpus = free_gpus[worker_index:(worker_index + num_gpu)]
if worker_index * num_gpu + num_gpu > num_available:
worker_index = worker_index * num_gpu % num_available
proposed_gpus = free_gpus[worker_index * num_gpu:(worker_index * num_gpu + num_gpu)]
logging.info("Proposed GPUs: {}".format(proposed_gpus))

return ','.join(str(x) for x in proposed_gpus)
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