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Fixing logging and errors blocking multi GPU trianing of Torch models #1509
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f2de6c0
added fix for multi GPU as per https://pytorch-lightning.readthedocs.…
solalatus 54fcf1b
trying to add complete logging in case of distributed to avoid deadlock
solalatus 74477d9
fixing the logging on epoch end for multigpu training
solalatus c5bd70e
Merge branch 'unit8co:master' into master
solalatus 7038548
Merge branch 'unit8co:master' into master
solalatus e5d2910
Black fixes for formatting errors
solalatus 5be81d7
Merge branch 'master' into master
hrzn bc64a1f
Merge branch 'master' into master
hrzn 5e5a006
Merge branch 'master' into master
madtoinou 762d2a9
Merge branch 'unit8co:master' into master
solalatus f2fbf8b
Added description of multi GPU setup do User Guide.
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The PTL doc says
Use with care as this may lead to a significant communication overhead.
.Do we have any idea if/when this could cause issues?
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So far in practical testing on 8 GPU-s I noticed no adverse effects. Thus said, it depends also on the distribution strategy also. I used the default
ddp_spawn
, as mentioned.