LICENSE

From fairscale:

Copyright (c) Facebook, Inc. and its affiliates

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From torchgpipe (fairscale/nn/pipe):

Copyright 2019 Kakao Brain

All contributions by Facebook:
Copyright (c) Facebook, Inc. and its affiliates

===

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright
   notice, this list of conditions and the following disclaimer.

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