Fix regression in runner (#843)

2e6692c8 · Jeff Rasley · GitHub · 49496364 · 2e6692c8
Unverified Commit 2e6692c8 authored Mar 09, 2021 by Jeff Rasley Committed by GitHub Mar 09, 2021
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deepspeed/launcher/runner.py deepspeed/launcher/runner.py +1 -1

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--- a/deepspeed/launcher/runner.py
+++ b/deepspeed/launcher/runner.py
@@ -304,7 +304,7 @@ def main(args=None):
    # encode world info as base64 to make it easier to pass via command line
    world_info_base64 = encode_world_info(active_resources)

-    multi_node_exec = True  # len(active_resources) > 1
+    multi_node_exec = len(active_resources) > 1

    if multi_node_exec and not shutil.which('pdsh'):
        raise RuntimeError("pdsh is not installed, unable to proceed")