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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 = ["//tensorflow:__subpackages__"])
licenses(["notice"]) # Apache 2.0
exports_files(["LICENSE"])
load(
"//tensorflow:tensorflow.bzl",
"tf_custom_op_library",
"tf_gen_op_libs",
"tf_gen_op_wrapper_py",
)
load("//tensorflow:tensorflow.bzl", "tf_cuda_cc_test")
load("//tensorflow:tensorflow.bzl", "cuda_py_test")
load("@local_config_cuda//cuda:build_defs.bzl", "if_cuda")
load("//tensorflow:tensorflow.bzl", "tf_kernel_library")
load("//tensorflow:tensorflow.bzl", "tf_custom_op_py_library")
load("//tensorflow:tensorflow.bzl", "if_not_windows_cuda")
tf_custom_op_library(
name = "python/ops/_nccl_ops.so",
srcs = [
"ops/nccl_ops.cc",
],
gpu_srcs = if_not_windows_cuda([
"kernels/nccl_manager.cc",
"kernels/nccl_manager.h",
"kernels/nccl_ops.cc",
]),
deps = [] + if_cuda([
"@local_config_nccl//:nccl",
"//tensorflow/core:gpu_headers_lib",
"//tensorflow/core:protos_all_cc",
"//tensorflow/core:protos_all_proto_text",
]),
)
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",
],
[],
),
# Disabled on jenkins until errors finding nvmlShutdown are found.
tags = [
"manual",
"multi_gpu",
"no_oss",
"noguitar",
"notap",
],
deps =
if_cuda([
"@local_config_nccl//:nccl",
"//tensorflow/core:cuda",
"//tensorflow/core:test",
"//tensorflow/core:test_main",
"//tensorflow/core:testlib",
]),
)
tf_kernel_library(
name = "nccl_kernels",
srcs = if_cuda([
"kernels/nccl_manager.cc",
"kernels/nccl_manager.h",
"kernels/nccl_ops.cc",
"kernels/nccl_rewrite.cc",
]),
deps = if_cuda([
"@local_config_nccl//:nccl",
"//tensorflow/core:core_cpu",
"//tensorflow/core:framework",
"//tensorflow/core:gpu_headers_lib",
"//tensorflow/core:lib",
"//tensorflow/core:stream_executor",
]),
alwayslink = 1,
)
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"],
)
# Test only nccl ops lib without dso to test behavior when NCCL lib is not
# installed. See nccl_dependency_test for more details.
#
# Users should use the public nccl_py lib that also adds the dso.
tf_custom_op_py_library(
name = "nccl_ops_lib_without_dso",
srcs = [
"__init__.py",
"python/ops/nccl_ops.py",
],
kernels = if_cuda([":nccl_kernels"]) + [
":nccl_ops_op_lib",
],
deps = [
":nccl_ops",
"//tensorflow/contrib/util:util_py",
"//tensorflow/python:device",
"//tensorflow/python:framework_ops",
"//tensorflow/python:platform",
"//tensorflow/python:util",
"//tensorflow/python/eager:context",
],
)
tf_custom_op_py_library(
name = "nccl_py",
dso = [":python/ops/_nccl_ops.so"],
visibility = ["//visibility:public"],
deps = [
":nccl_ops_lib_without_dso",
],
)
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",
],
# Disabled on jenkins until errors finding nvmlShutdown are found.
tags = [
"manual",
"multi_gpu",
"no_oss",
"noguitar",
"notap",
],
)
cuda_py_test(
name = "nccl_dependency_test",
size = "small",
srcs = ["python/ops/nccl_dependency_test.py"],
additional_deps = [
":nccl_ops_lib_without_dso",
"//tensorflow/python:constant_op",
"//tensorflow/python:errors",
"//tensorflow/python:framework_ops",
"//tensorflow/python:util",
"//tensorflow/python:client_testlib",
"//tensorflow/python:platform_test",
],
# Disable this test internally as static linking is used internally and only
# run for OSS to verify that NCCL is an optional dynamic dependency.
tags = [
"manual",
"noguitar",
"notap",
],
)
|
