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build: bump to TensorFlow 2.4.0 (#1156)
- Remove the 2.3 compatibility path - Update the install rules to install additional headers for X10 - Update the documentation to point to a 2.4 build of TensorFlow - Update the include paths for the internal use of TensorFlow - Update macOS/Windows CI rules to use the 2.4 release build
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-87
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‎.github/workflows/macOS.yml

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- name: Install X10
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run: |
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curl -sL https://artprodeus21.artifacts.visualstudio.com/A8fd008a0-56bc-482c-ba46-67f9425510be/3133d6ab-80a8-4996-ac4f-03df25cd3224/_apis/artifact/cGlwZWxpbmVhcnRpZmFjdDovL2NvbXBuZXJkL3Byb2plY3RJZC8zMTMzZDZhYi04MGE4LTQ5OTYtYWM0Zi0wM2RmMjVjZDMyMjQvYnVpbGRJZC80Mzc2OC9hcnRpZmFjdE5hbWUvdGVuc29yZmxvdy1kYXJ3aW4teDY00/content?format=zip -o tensorflow-darwin-x64.zip
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curl -sL https://artprodeus21.artifacts.visualstudio.com/A8fd008a0-56bc-482c-ba46-67f9425510be/3133d6ab-80a8-4996-ac4f-03df25cd3224/_apis/artifact/cGlwZWxpbmVhcnRpZmFjdDovL2NvbXBuZXJkL3Byb2plY3RJZC8zMTMzZDZhYi04MGE4LTQ5OTYtYWM0Zi0wM2RmMjVjZDMyMjQvYnVpbGRJZC80NTU3NC9hcnRpZmFjdE5hbWUvdGVuc29yZmxvdy1kYXJ3aW4teDY00/content?format=zip -o tensorflow-darwin-x64.zip
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unzip tensorflow-darwin-x64.zip
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mv tensorflow-darwin-x64/Library/tensorflow-2.3.0 ~/Library/
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mv tensorflow-darwin-x64/Library/tensorflow-2.4.0 ~/Library/
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- name: Build
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run: |
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TOOLCHAINS=org.swift.50202012141a swift build -v -Xswiftc -DTENSORFLOW_USE_STANDARD_TOOLCHAIN -Xcc -I${HOME}/Library/tensorflow-2.3.0/usr/include -Xlinker -L${HOME}/Library/tensorflow-2.3.0/usr/lib
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TOOLCHAINS=org.swift.50202012141a swift build -v -Xswiftc -DTENSORFLOW_USE_STANDARD_TOOLCHAIN -Xcc -I${HOME}/Library/tensorflow-2.4.0/usr/include -Xlinker -L${HOME}/Library/tensorflow-2.4.0/usr/lib
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# - name: Run tests
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# run: |
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# DYLD_LIBRARY_PATH=${HOME}/Library/tensorflow-2.3.0/usr/lib TOOLCHAINS=org.swift.50202012141a swift test -v -Xswiftc -DTENSORFLOW_USE_STANDARD_TOOLCHAIN -Xcc -I${HOME}/Library/tensorflow-2.3.0/usr/include -Xlinker -L${HOME}/Library/tensorflow-2.3.0/usr/lib
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# DYLD_LIBRARY_PATH=${HOME}/Library/tensorflow-2.4.0/usr/lib TOOLCHAINS=org.swift.50202012141a swift test -v -Xswiftc -DTENSORFLOW_USE_STANDARD_TOOLCHAIN -Xcc -I${HOME}/Library/tensorflow-2.4.0/usr/include -Xlinker -L${HOME}/Library/tensorflow-2.4.0/usr/lib
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‎.github/workflows/windows.yml

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@@ -32,16 +32,16 @@ jobs:
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- name: Install X10
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run: |
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Invoke-WebRequest -UseBasicParsing -Uri https://artprodeus21.artifacts.visualstudio.com/A8fd008a0-56bc-482c-ba46-67f9425510be/3133d6ab-80a8-4996-ac4f-03df25cd3224/_apis/artifact/cGlwZWxpbmVhcnRpZmFjdDovL2NvbXBuZXJkL3Byb2plY3RJZC8zMTMzZDZhYi04MGE4LTQ5OTYtYWM0Zi0wM2RmMjVjZDMyMjQvYnVpbGRJZC80Mzc2OC9hcnRpZmFjdE5hbWUvdGVuc29yZmxvdy13aW5kb3dzLXg2NA2/content?format=zip -OutFile tensorflow-windows-x64.zip
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Invoke-WebRequest -UseBasicParsing -Uri https://artprodeus21.artifacts.visualstudio.com/A8fd008a0-56bc-482c-ba46-67f9425510be/3133d6ab-80a8-4996-ac4f-03df25cd3224/_apis/artifact/cGlwZWxpbmVhcnRpZmFjdDovL2NvbXBuZXJkL3Byb2plY3RJZC8zMTMzZDZhYi04MGE4LTQ5OTYtYWM0Zi0wM2RmMjVjZDMyMjQvYnVpbGRJZC80NTU3NC9hcnRpZmFjdE5hbWUvdGVuc29yZmxvdy13aW5kb3dzLXg2NA2/content?format=zip -OutFile tensorflow-windows-x64.zip
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Expand-Archive -Force -Path tensorflow-windows-x64.zip -DestinationPath C:\Library\
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Move-Item C:\Library\tensorflow-windows-x64\Library\tensorflow-2.3.0 C:\Library
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echo "C:\Library\tensorflow-2.3.0\usr\bin" | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append
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Move-Item C:\Library\tensorflow-windows-x64\Library\tensorflow-2.4.0 C:\Library
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echo "C:\Library\tensorflow-2.4.0\usr\bin" | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append
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- name: Build
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run: |
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# We build twice as the first one currently fails for some unexplained
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# reason. This should only build once.
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swift build -v -Xswiftc -DTENSORFLOW_USE_STANDARD_TOOLCHAIN -Xcc -IC:\Library\tensorflow-2.3.0\usr\include -Xlinker -LC:\Library\tensorflow-2.3.0\usr\lib
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swift build -v -Xswiftc -DTENSORFLOW_USE_STANDARD_TOOLCHAIN -Xcc -IC:\Library\tensorflow-2.3.0\usr\include -Xlinker -LC:\Library\tensorflow-2.3.0\usr\lib
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swift build -v -Xswiftc -DTENSORFLOW_USE_STANDARD_TOOLCHAIN -Xcc -IC:\Library\tensorflow-2.4.0\usr\include -Xlinker -LC:\Library\tensorflow-2.4.0\usr\lib
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swift build -v -Xswiftc -DTENSORFLOW_USE_STANDARD_TOOLCHAIN -Xcc -IC:\Library\tensorflow-2.4.0\usr\include -Xlinker -LC:\Library\tensorflow-2.4.0\usr\lib
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# - name: Run tests
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# run: swift test -v

‎CMakeLists.txt

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Original file line numberDiff line numberDiff line change
@@ -167,7 +167,7 @@ if(NOT X10_FOUND AND NOT USE_BUNDLED_X10)
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GIT_REPOSITORY
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git://github.com/tensorflow/tensorflow
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GIT_TAG
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r2.3
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r2.4
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UPDATE_DISCONNECTED
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TRUE
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CONFIGURE_COMMAND
@@ -207,6 +207,7 @@ if(NOT X10_FOUND AND NOT USE_BUNDLED_X10)
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set(X10_LIBRARY ${SOURCE_DIR}/bazel-bin/tensorflow/compiler/tf2xla/xla_tensor/${CMAKE_SHARED_LIBRARY_PREFIX}x10${CMAKE_SHARED_LIBRARY_SUFFIX})
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set(X10_INCLUDE_DIRS
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${SOURCE_DIR}
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${SOURCE_DIR}/tensorflow
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${SOURCE_DIR}/bazel-bin
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${SOURCE_DIR}/bazel-libtensorflow/external/com_google_absl
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${SOURCE_DIR}/bazel-libtensorflow/external/com_google_protobuf/src

‎Documentation/Development.md

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@@ -409,8 +409,8 @@ $ swift test -Xcc -I/Library/tensorflow-2.4.0/usr/include -Xlinker -L/Library/te
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[swift]: https://swift.org/download/#snapshots
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[cmake]: https://www.cmake.org/download
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[windows10]: https://artprodeus21.artifacts.visualstudio.com/A8fd008a0-56bc-482c-ba46-67f9425510be/3133d6ab-80a8-4996-ac4f-03df25cd3224/_apis/artifact/cGlwZWxpbmVhcnRpZmFjdDovL2NvbXBuZXJkL3Byb2plY3RJZC8zMTMzZDZhYi04MGE4LTQ5OTYtYWM0Zi0wM2RmMjVjZDMyMjQvYnVpbGRJZC80Mzc2OC9hcnRpZmFjdE5hbWUvdGVuc29yZmxvdy13aW5kb3dzLXg2NA2/content?format=zip
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[macOS]: https://artprodeus21.artifacts.visualstudio.com/A8fd008a0-56bc-482c-ba46-67f9425510be/3133d6ab-80a8-4996-ac4f-03df25cd3224/_apis/artifact/cGlwZWxpbmVhcnRpZmFjdDovL2NvbXBuZXJkL3Byb2plY3RJZC8zMTMzZDZhYi04MGE4LTQ5OTYtYWM0Zi0wM2RmMjVjZDMyMjQvYnVpbGRJZC80Mzc2OC9hcnRpZmFjdE5hbWUvdGVuc29yZmxvdy1kYXJ3aW4teDY00/content?format=zip
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[windows10]: https://artprodeus21.artifacts.visualstudio.com/A8fd008a0-56bc-482c-ba46-67f9425510be/3133d6ab-80a8-4996-ac4f-03df25cd3224/_apis/artifact/cGlwZWxpbmVhcnRpZmFjdDovL2NvbXBuZXJkL3Byb2plY3RJZC8zMTMzZDZhYi04MGE4LTQ5OTYtYWM0Zi0wM2RmMjVjZDMyMjQvYnVpbGRJZC80NTU3NC9hcnRpZmFjdE5hbWUvdGVuc29yZmxvdy13aW5kb3dzLXg2NA2/content?format=zip
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[macOS]: https://artprodeus21.artifacts.visualstudio.com/A8fd008a0-56bc-482c-ba46-67f9425510be/3133d6ab-80a8-4996-ac4f-03df25cd3224/_apis/artifact/cGlwZWxpbmVhcnRpZmFjdDovL2NvbXBuZXJkL3Byb2plY3RJZC8zMTMzZDZhYi04MGE4LTQ5OTYtYWM0Zi0wM2RmMjVjZDMyMjQvYnVpbGRJZC80NTU3NC9hcnRpZmFjdE5hbWUvdGVuc29yZmxvdy1kYXJ3aW4teDY00/content?format=zip
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[bazel]: https://docs.bazel.build/versions/master/install.html
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[bazelisk]: https://github.com/bazelbuild/bazelisk
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[configure.py]: https://github.com/tensorflow/tensorflow/blob/master/configure.py

‎Sources/CTensorFlow/CMakeLists.txt

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@@ -12,13 +12,21 @@ list(GET X10_INCLUDE_DIRS 0 X10_SOURCE_DIR)
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install(FILES include/module.modulemap include/CTensorFlow.h
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DESTINATION lib/swift/tensorflow)
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install(DIRECTORY ${X10_SOURCE_DIR}/tensorflow/c
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DESTINATION lib/swift/tensorflow
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FILES_MATCHING
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PATTERN c_api.h
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PATTERN c_api_experimental.h
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PATTERN tf_attrtype.h
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PATTERN tf_datatype.h
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PATTERN tf_status.h
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PATTERN tf_tensor.h
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PATTERN eager/c_api.h)
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install(FILES
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${X10_SOURCE_DIR}/tensorflow/c/c_api.h
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${X10_SOURCE_DIR}/tensorflow/c/c_api_experimental.h
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${X10_SOURCE_DIR}/tensorflow/c/c_api_macros.h
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${X10_SOURCE_DIR}/tensorflow/c/tf_attrtype.h
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${X10_SOURCE_DIR}/tensorflow/c/tf_datatype.h
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${X10_SOURCE_DIR}/tensorflow/c/tf_file_statistics.h
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${X10_SOURCE_DIR}/tensorflow/c/tf_status.h
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${X10_SOURCE_DIR}/tensorflow/c/tf_tensor.h
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${X10_SOURCE_DIR}/tensorflow/c/tf_tstring.h
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DESTINATION lib/swift/tensorflow/c)
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install(FILES
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${X10_SOURCE_DIR}/tensorflow/c/eager/c_api.h
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DESTINATION lib/swift/tensorflow/c/eager)
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install(FILES
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${X10_SOURCE_DIR}/tensorflow/core/platform/ctstring.h
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${X10_SOURCE_DIR}/tensorflow/core/platform/ctstring_internal.h
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DESTINATION lib/swift/tensorflow/core/platform)

‎Sources/TensorFlow/Core/StringTensor.swift

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Original file line numberDiff line numberDiff line change
@@ -47,72 +47,23 @@ extension StringTensor {
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// utf8CString is null-terminated. TF APIs want the strings without null-terminators.
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let cStrings = scalars.map { $0.utf8CString.dropLast() }
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50-
// Note: `TENSORFLOW_MASTER` changes below are necessary for the new TensorFlow ABI-stable
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// unified string tensor design.
52-
#if TENSORFLOW_MASTER
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let byteCount = scalars.count * MemoryLayout<TF_TString>.stride
54-
55-
let handle = TensorHandle<String>(
56-
shape: shape.dimensions,
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byteCount: byteCount,
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bufferInitializer: { tensorBuffer in
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var dataAddr =
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tensorBuffer.bindMemory(to: TF_TString.self, capacity: scalars.count)
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for cString in cStrings {
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TF_TString_Init(dataAddr)
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cString.withUnsafeBufferPointer { buffer in
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TF_TString_Copy(dataAddr, buffer.baseAddress, buffer.count)
65-
}
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dataAddr = dataAddr.advanced(by: 1)
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}
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})
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self.init(handle: handle)
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#else
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let tfEncodedSizes = cStrings.map { TF_StringEncodedSize($0.count) }
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// Format information copied from tensorflow/c/c_api.h:
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// The format for TF_STRING tensors is:
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// start_offset: array[uint64]
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// data: byte[...]
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//
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// The string length (as a varint), followed by the contents of the string is encoded at
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// data[start_offset[i]]].
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// The size of the "start_offset" region.
81-
let startOffsetsByteCount = scalars.count * MemoryLayout<UInt64>.stride
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83-
// The size of the "data" region.
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let dataByteCount = tfEncodedSizes.reduce(0, +) * MemoryLayout<UInt8>.stride
85-
86-
let handle = TensorHandle<String>(
87-
shape: shape.dimensions,
88-
byteCount: startOffsetsByteCount + dataByteCount,
89-
bufferInitializer: { tensorBuffer in
90-
// Initialize the "start_offset" region.
91-
var startOffset: UInt64 = 0
92-
var startOffsetAddr =
93-
tensorBuffer.bindMemory(to: UInt64.self, capacity: scalars.count)
94-
for tfEncodedSize in tfEncodedSizes {
95-
startOffsetAddr.initialize(to: startOffset)
96-
startOffsetAddr = startOffsetAddr.advanced(by: 1)
97-
startOffset = startOffset + UInt64(tfEncodedSize)
98-
}
99-
100-
// Initialize the "data" region.
101-
var dataAddr = tensorBuffer.advanced(by: startOffsetsByteCount)
102-
.bindMemory(to: Int8.self, capacity: dataByteCount)
103-
let status = TF_NewStatus()
104-
for (cString, tfEncodedSize) in zip(cStrings, tfEncodedSizes) {
105-
_ = cString.withUnsafeBufferPointer { buffer in
106-
TF_StringEncode(
107-
buffer.baseAddress, buffer.count, dataAddr, tfEncodedSize, status)
108-
}
109-
checkOk(status)
110-
dataAddr = dataAddr.advanced(by: tfEncodedSize)
50+
let byteCount = scalars.count * MemoryLayout<TF_TString>.stride
51+
52+
let handle = TensorHandle<String>(
53+
shape: shape.dimensions,
54+
byteCount: byteCount,
55+
bufferInitializer: { tensorBuffer in
56+
var dataAddr =
57+
tensorBuffer.bindMemory(to: TF_TString.self, capacity: scalars.count)
58+
for cString in cStrings {
59+
TF_TString_Init(dataAddr)
60+
cString.withUnsafeBufferPointer { buffer in
61+
TF_TString_Copy(dataAddr, buffer.baseAddress, buffer.count)
11162
}
112-
TF_DeleteStatus(status)
113-
})
114-
self.init(handle: handle)
115-
#endif
63+
dataAddr = dataAddr.advanced(by: 1)
64+
}
65+
})
66+
self.init(handle: handle)
11667
}
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/// Creates a 0-D `StringTensor` from a scalar value.

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