TensorFlow: Initial commit of TensorFlow library.

TensorFlow is an open source software library for numerical computation
using data flow graphs.

Base CL: 107276108

1 files changed, 53 insertions, 0 deletions

diff --git a/tensorflow/stream_executor/temporary_device_memory.cc b/tensorflow/stream_executor/temporary_device_memory.cc
new file mode 100644
index 0000000000..d11b58813d
--- /dev/null
+++ b/tensorflow/stream_executor/temporary_device_memory.cc
@@ -0,0 +1,53 @@
+#include "tensorflow/stream_executor/temporary_device_memory.h"
+
+#include "tensorflow/stream_executor/stream.h"
+
+namespace perftools {
+namespace gputools {
+
+TemporaryDeviceMemoryBase::~TemporaryDeviceMemoryBase() {
+  parent_->temporary_memory_manager()->MarkFinalized(device_memory_,
+                                                     allocation_generation_,
+                                                     /*must_exist=*/false);
+}
+
+DeviceMemoryBase* TemporaryDeviceMemoryBase::mutable_device_memory() {
+  DCHECK(!IsFinalized())
+      << "should not access device memory after finalization";
+  return &device_memory_;
+}
+
+const DeviceMemoryBase& TemporaryDeviceMemoryBase::device_memory() const {
+  DCHECK(!IsFinalized())
+      << "should not access device memory after finalization";
+  return device_memory_;
+}
+
+void TemporaryDeviceMemoryBase::Finalize() {
+  DCHECK(!IsFinalized()) << "should not finalize more than once";
+  parent_->temporary_memory_manager()->MarkFinalized(device_memory_,
+                                                     allocation_generation_,
+                                                     /*must_exist=*/true);
+}
+
+bool TemporaryDeviceMemoryBase::IsFinalized() const {
+  return parent_->temporary_memory_manager()->IsFinalized(
+      device_memory_, allocation_generation_);
+}
+
+bool TemporaryDeviceMemoryBase::IsAllocated() const {
+  return parent_->temporary_memory_manager()->HasAllocated(
+      device_memory_, allocation_generation_);
+}
+
+TemporaryDeviceMemoryBase::TemporaryDeviceMemoryBase(
+    Stream* parent, DeviceMemoryBase device_memory,
+    uint64 allocation_generation)
+    : device_memory_(device_memory),
+      allocation_generation_(allocation_generation),
+      parent_(parent) {
+  DCHECK(IsAllocated());
+}
+
+}  // namespace gputools
+}  // namespace perftools