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Upgrading to NCCL2 (#3404)

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* Upgrading to NCCL2

* Part - II of NCCL2 upgradation

 - Doc updates to build with nccl2
 - Dockerfile.gpu update for a correct CI build with nccl2
 - Updated FindNccl package to have env-var NCCL_ROOT to take precedence

* Upgrading to v9.2 for CI workflow, since it has the nccl2 binaries available

* Added NCCL2 license + copy the nccl binaries into /usr location for the FindNccl module to find

* Set LD_LIBRARY_PATH variable to pick nccl2 binary at runtime

* Need the nccl2 library download instructions inside Dockerfile.release as well

* Use NCCL2 as a static library
This commit is contained in:
Thejaswi
2018-07-10 13:12:15 +05:30
committed by Philip Hyunsu Cho
parent a6331925d2
commit 2200939416
9 changed files with 102 additions and 12 deletions
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3
.gitmodules vendored
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@@ -4,9 +4,6 @@
[submodule "rabit"]
path = rabit
url = https://github.com/dmlc/rabit
[submodule "nccl"]
path = nccl
url = https://github.com/dmlc/nccl
[submodule "cub"]
path = cub
url = https://github.com/NVlabs/cub