def testContainsIndexedSlices_PerDeviceMapOutput(self):
t0 = math_ops._as_indexed_slices(
constant_op.constant([[1., 2.], [0, 0], [3., 4.]]))
t1 = math_ops._as_indexed_slices(
constant_op.constant([[0., 0.], [5, 6], [7., 8.]]))
per_device = value_lib.PerDevice({
"/gpu:0": value_lib.MapOutput([t0]),
"/cpu:0": value_lib.MapOutput([t1])})
self.assertTrue(cross_tower_utils.contains_indexed_slices(per_device))
def map(self, map_over, fn, *args, **kwargs):
# TODO(josh11b): In eager mode, use one thread per device.
index = {}
for i, m in enumerate(map_over):
d = self._devices[i % len(self._devices)]
with ops.device(d):
l = index.get(d, [])
l.append(fn(m,
*values.select_device_mirrored(d, args),
**values.select_device_mirrored(d, kwargs)))
index[d] = l
# TODO(josh11b): Need a values.regroup equivalent that handles MapOutput
# in addition to PerDevice data.
return values.PerDevice({k: values.MapOutput(v) for k, v in index.items()})
def map(self, map_over, fn, *args, **kwargs):
# TODO (josh11b): In eager mode, use one thread per device. id:1098
# https://github.com/imdone/tensorflow/issues/1099
index = {}
i = 0
for m in map_over:
d = self._devices[i % len(self._devices)]
with ops.device(d):
l = index.get(d, [])
l.append(
fn(m, *values.select_device_mirrored(d, args),
**values.select_device_mirrored(d, kwargs)))
index[d] = l
# TODO (josh11b): Need a values.regroup equivalent that handles MapOutput id:1079
# https://github.com/imdone/tensorflow/issues/1080
# in addition to PerDevice data.
return values.PerDevice(
{k: values.MapOutput(v)
for k, v in index.items()})
def map(self, map_over, fn, *args, **kwargs):
with ops.device(self._device):
return values.MapOutput([fn(m, *args, **kwargs) for m in map_over])
