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# Description:
# Wrap NVIDIA (https://github.com/NVIDIA/nccl) NCCL with tensorflow ops.
# APIs are meant to change over time.
package(
default_visibility = ["//visibility:private"],
features = ["-parse_headers"],
)
licenses(["notice"]) # Apache 2.0
exports_files(["LICENSE"])
load(
"//tensorflow:tensorflow.bzl",
"tf_cuda_cc_test",
"tf_custom_op_library",
"tf_gen_op_libs",
"tf_gen_op_wrapper_py",
)
load("//tensorflow:tensorflow.bzl", "cuda_py_test")
load("@local_config_cuda//cuda:build_defs.bzl", "if_cuda")
tf_custom_op_library(
name = "python/ops/_nccl_ops.so",
srcs = [
"kernels/nccl_manager.cc",
"kernels/nccl_manager.h",
"kernels/nccl_ops.cc",
"ops/nccl_ops.cc",
],
deps = [
"//tensorflow/core:gpu_headers_lib",
"@nccl_archive//:nccl",
],
)
tf_gen_op_libs(
op_lib_names = ["nccl_ops"],
deps = [
"//tensorflow/core:lib",
],
)
tf_gen_op_wrapper_py(
name = "nccl_ops",
deps = [":nccl_ops_op_lib"],
)
py_library(
name = "nccl_py",
srcs = [
"__init__.py",
"python/ops/nccl_ops.py",
],
data = [
":python/ops/_nccl_ops.so",
],
srcs_version = "PY2AND3",
visibility = ["//visibility:public"],
deps = [
":nccl_ops",
"//tensorflow/contrib/util:util_py",
"//tensorflow/python:platform",
],
)
cuda_py_test(
name = "nccl_ops_test",
size = "small",
srcs = ["python/ops/nccl_ops_test.py"],
additional_deps = [
":nccl_py",
"//tensorflow/python:array_ops",
"//tensorflow/python:client_testlib",
"//tensorflow/python:framework_for_generated_wrappers",
"//tensorflow/python:framework_test_lib",
"//tensorflow/python:platform_test",
],
tags = [
"manual",
"requires_cudnn5",
],
)
tf_cuda_cc_test(
name = "nccl_manager_test",
size = "medium",
srcs = if_cuda(
[
"kernels/nccl_manager.cc",
"kernels/nccl_manager.h",
"kernels/nccl_manager_test.cc",
],
[],
),
tags = ["manual"], # Disabled until errors finding nvmlShutdown are found.
deps = if_cuda(
[
"@nccl_archive//:nccl",
"//tensorflow/core",
"//tensorflow/core:cuda",
],
[],
) + [
"//tensorflow/core:test",
"//tensorflow/core:test_main",
"//tensorflow/core:testlib",
],
)
filegroup(
name = "all_files",
srcs = glob(
["**/*"],
exclude = [
"**/METADATA",
"**/OWNERS",
],
),
visibility = ["//tensorflow:__subpackages__"],
)
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