Place all py_func op on the local host's address space.

PiperOrigin-RevId: 289903686
Change-Id: I38f3b8020cea5b3eab1e5d9141c32350473dadfa

tensorflow/c/eager/c_api_experimental.cc

@@ -18,7 +18,6 @@ limitations under the License.
 #include "tensorflow/c/c_api.h"
 #include "tensorflow/c/eager/c_api_internal.h"
 #include "tensorflow/c/tf_status_helper.h"
-#include "tensorflow/core/common_runtime/device.h"
 #include "tensorflow/core/lib/monitoring/counter.h"
 #include "tensorflow/core/lib/monitoring/gauge.h"
 #include "tensorflow/core/lib/monitoring/sampler.h"
@@ -620,16 +619,3 @@ void TFE_ContextSetExecutorForThread(TFE_Context* ctx, TFE_Executor* executor) {
 TFE_Executor* TFE_ContextGetExecutorForThread(TFE_Context* ctx) {
   return new TFE_Executor(&ctx->context->Executor());
 }
-
-void TFE_HostAddressSpace(TFE_Context* ctx, TF_Buffer* buf) {
-  auto address_space = tensorflow::DeviceNameUtils::AddressSpace(
-      ctx->context->HostCPU()->parsed_name());
-  auto str = tensorflow::DeviceNameUtils::ParsedNameToString(address_space);
-  void* data = tensorflow::port::Malloc(str.length());
-  str.copy(static_cast<char*>(data), str.length(), 0);
-  buf->data = data;
-  buf->length = str.length();
-  buf->data_deallocator = [](void* data, size_t length) {
-    tensorflow::port::Free(data);
-  };
-}

tensorflow/c/eager/c_api_experimental.h

@@ -458,11 +458,6 @@ TF_CAPI_EXPORT extern TFE_TensorHandle* TFE_NewTensorHandleFromDeviceMemory(
     void (*deallocator)(void* data, size_t len, void* arg),
     void* deallocator_arg, TF_Status* status);
 
-// Retrieves the address space (i.e. job, replia, task) of the local host and
-// saves it in the buffer.
-TF_CAPI_EXPORT extern void TFE_HostAddressSpace(TFE_Context* ctx,
-                                                TF_Buffer* buf);
-
 #ifdef __cplusplus
 } /* end extern "C" */
 #endif

tensorflow/python/eager/context.py

@@ -785,13 +785,6 @@ class Context(object):
     """List of the names of devices available to execute operations."""
     return self._devices
 
-  def host_address_space(self):
-    self.ensure_initialized()
-    with c_api_util.tf_buffer() as buffer_:
-      pywrap_tfe.TFE_HostAddressSpace(self._context_handle, buffer_)
-      address_space = pywrap_tfe.TF_GetBuffer(buffer_).decode("utf-8")
-    return address_space
-
   # TODO(fishx): remove this property.
   @property
   def execution_mode(self):

tensorflow/python/kernel_tests/py_func_test.py

@@ -31,7 +31,6 @@ from tensorflow.python.eager import backprop
 from tensorflow.python.eager import context
 from tensorflow.python.eager import def_function
 from tensorflow.python.eager import function
-from tensorflow.python.framework import config
 from tensorflow.python.framework import constant_op
 from tensorflow.python.framework import dtypes
 from tensorflow.python.framework import errors
@@ -561,7 +560,7 @@ class EagerPyFuncTest(PyFuncTestBase):
     with ops.device("/job:worker/task:0/cpu:0"):
       a = array_ops.ones((3, 3), dtype=dtypes.float32)
       x = array_ops.ones((3, 1), dtype=dtypes.float32)
-      output = math_ops.matmul(a, x)
+      output = script_ops.eager_py_func(matmul, inp=[a, x], Tout=dtypes.float32)
     ret = session.run(output)
     self.assertAllClose(ret, [[3.0], [3.0], [3.0]])
 
@@ -740,39 +739,6 @@ class EagerPyFuncTest(PyFuncTestBase):
       self.assertEqual(y, 1.0)
       self.assertEqual(dy_dx, 2.0)
 
-  def testEagerPyFuncPlacement(self):
-
-    def f(x):
-      return math_ops.square(x)
-
-    def get_device(tensor):
-      if isinstance(tensor, ops.EagerTensor):
-        return tensor.device
-      else:
-        return tensor.op.device
-
-    const_op = constant_op.constant(3.0, dtype=dtypes.float32)
-    # PyFuncOp should be placed on the localhost's address space.
-    py_func_op = script_ops.eager_py_func(
-        func=f, inp=[const_op], Tout=dtypes.float32)
-    self.assertRegexpMatches(
-        get_device(py_func_op), "/job:localhost/replica:0/task:0")
-    self.assertEqual(self.evaluate(py_func_op), 9.0)
-
-    # Only run the remaining test if there exists GPU device.
-    if not config.list_physical_devices("GPU"):
-      return
-
-    with test_util.device(use_gpu=True):
-      py_func_op = script_ops.eager_py_func(
-          func=f, inp=[const_op], Tout=dtypes.float32)
-      # PyFuncOp should be placed on the GPU device within localhost's address
-      # space.
-      self.assertEqual(
-          get_device(py_func_op),
-          "/job:localhost/replica:0/task:0/device:GPU:0")
-      self.assertEqual(self.evaluate(py_func_op), 9.0)
-
   @test_util.run_v1_only("b/120545219")
   def testEagerRespectsDevicePlacmentOfOp(self):
 

tensorflow/python/ops/script_ops.py

@@ -449,9 +449,7 @@ def eager_py_func(func, inp, Tout, name=None):
     A list of `Tensor` or a single `Tensor` which `func` computes; an empty list
     if `func` returns None.
   """
-  with ops.device(context.context().host_address_space()):
-    return _internal_py_func(
-        func=func, inp=inp, Tout=Tout, eager=True, name=name)
+  return _internal_py_func(func=func, inp=inp, Tout=Tout, eager=True, name=name)
 
 
 def py_func_common(func, inp, Tout, stateful=True, name=None):
@@ -520,14 +518,8 @@ def py_func_common(func, inp, Tout, stateful=True, name=None):
       result, = result
     return result
 
-  with ops.device(context.context().host_address_space()):
-    return _internal_py_func(
-        func=func,
-        inp=inp,
-        Tout=Tout,
-        stateful=stateful,
-        eager=False,
-        name=name)
+  return _internal_py_func(
+      func=func, inp=inp, Tout=Tout, stateful=stateful, eager=False, name=name)
 
 
 @deprecation.deprecated(

tensorflow/python/tfe_wrapper.cc

@@ -364,9 +364,6 @@ PYBIND11_MODULE(_pywrap_tfe, m) {
         return output;
       },
       py::return_value_policy::reference);
-  m.def("TFE_HostAddressSpace", [](py::handle& o, TF_Buffer& buf) {
-    TFE_HostAddressSpace(tensorflow::InputTFE_Context(o), &buf);
-  });
   m.def("TFE_ContextAddFunction", [](py::handle& ctx, py::handle& func) {
     tensorflow::Safe_TF_StatusPtr status =
         tensorflow::make_safe(TF_NewStatus());