Update DirectML to version 1.8.2 and prepare TF for 1.15.6 release (#371)

Author: PatriceVignola

RELEASE.md

@@ -1,6 +1,12 @@
-# Release 1.15.5
+# Release 1.15.6
+
+## Bug Fixes and Other Changes
+* Enables forwarding of inputs to avoid copies in some scenarios
+* Removes the the use of CopyTileMappings for PIX captures
+* Increases the default cache size for the kernel cache to 1536
+* Updates the DirectML version to 1.8.2
 
-Note that this is the last patch release for the TensorFlow 1.x series.
+# Release 1.15.5
 
 ## Bug Fixes and Other Changes
 * Fixes an access to unitialized memory in Eigen code

tensorflow/tensorflow.bzl

@@ -62,7 +62,7 @@ def register_extension_info(**kwargs):
 # not contain rc or alpha, only numbers.
 # Also update tensorflow/core/public/version.h
 # and tensorflow/tools/pip_package/setup.py
-VERSION = "1.15.5"
+VERSION = "1.15.6"
 VERSION_MAJOR = VERSION.split(".")[0]
 
 def if_v2(a):

tensorflow/tools/pip_package/setup.py

@@ -52,7 +52,7 @@
 # result for pip.
 # Also update tensorflow/tensorflow.bzl and
 # tensorflow/core/public/version.h
-_VERSION = '1.15.5.dev0'
+_VERSION = '1.15.6.dev0'
 
 REQUIRED_PACKAGES = [
     'absl-py >= 0.7.0',

tensorflow/workspace.bzl

@@ -90,8 +90,8 @@ def tf_repositories(path_prefix = "", tf_repo_name = ""):
     # URL must point at the DirectML redistributable NuGet package.
     dml_repository(
         name = "dml_redist",
-        url = "https://www.nuget.org/api/v2/package/Microsoft.AI.DirectML/1.8.1",
-        sha256 = "4a815dc0b1781b76eec1956014ccb26d36b749dc73b293fbe513b4a8e14f209f",
+        url = "https://www.nuget.org/api/v2/package/Microsoft.AI.DirectML/1.8.2",
+        sha256 = "a58141244b075cc3abfdc247310224b68b64ddd2aaac25ea04ed703deb5d4f9b",
         build_file = "//third_party/dml/redist:BUILD.bazel",
     )