146 lines
5.1 KiB
C++
146 lines
5.1 KiB
C++
/* Copyright 2020 The TensorFlow Authors. All Rights Reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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==============================================================================*/
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#include "tensorflow/stream_executor/tpu/tpu_topology.h"
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#include "tensorflow/core/tpu/tpu_api.h"
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namespace tensorflow {
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namespace tpu {
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TpuDimensionsExternal TpuCoreLocationExternal::chip_coordinates() const {
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int x, y, z;
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tpu::ExecutorApiFn()->TpuCoreLocation_ChipCoordinatesFn(core_location_, &x,
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&y, &z);
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return {x, y, z};
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}
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TpuDimensionsExternal TpuCoreLocationExternal::host_coordinates() const {
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int x, y, z;
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tpu::ExecutorApiFn()->TpuCoreLocation_HostCoordinatesFn(core_location_, &x,
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&y, &z);
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return {x, y, z};
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}
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int32 TpuCoreLocationExternal::index() const {
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return tpu::ExecutorApiFn()->TpuCoreLocation_IndexFn(core_location_);
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}
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int32 TpuCoreLocationExternal::Id() const {
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return tpu::ExecutorApiFn()->TpuCoreLocation_IdFn(core_location_);
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}
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int32 TpuHostLocationExternal::Id() const {
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return tpu::ExecutorApiFn()->TpuHostLocation_IdFn(host_location_);
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}
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std::vector<TpuCoreLocationExternal> TpuHostLocationExternal::Cores(
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TpuCoreTypeEnum core_type) const {
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int num_cores = tpu::ExecutorApiFn()->TpuHostLocation_NumCoresFn(
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host_location_, core_type);
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std::vector<SE_TpuTopology_Core*> core_ptrs(num_cores);
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tpu::ExecutorApiFn()->TpuHostLocation_CoresFn(host_location_, core_type,
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core_ptrs.data());
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std::vector<TpuCoreLocationExternal> result;
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result.reserve(num_cores);
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for (SE_TpuTopology_Core* ptr : core_ptrs) {
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result.emplace_back(ptr);
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}
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return result;
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}
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int32 TpuTopologyExternal::LogicalDevicesPerHost(
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TpuCoreTypeEnum core_type) const {
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return tpu::ExecutorApiFn()->TpuTopology_LogicalDevicesPerHostFn(topology_,
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core_type);
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}
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int32 TpuTopologyExternal::LogicalDevicesPerChip(
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TpuCoreTypeEnum core_type) const {
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return tpu::ExecutorApiFn()->TpuTopology_LogicalDevicesPerChipFn(topology_,
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core_type);
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}
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int32 TpuTopologyExternal::HostCount() const {
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return tpu::ExecutorApiFn()->TpuTopology_HostCountFn(topology_);
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}
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int32 TpuTopologyExternal::ChipsPerHost() const {
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return tpu::ExecutorApiFn()->TpuTopology_ChipsPerHostFn(topology_);
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}
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TpuTopologyChipBoundsExternal TpuTopologyExternal::chip_bounds() const {
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return {tpu::ExecutorApiFn()->TpuTopology_ChipBounds_XFn(topology_),
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tpu::ExecutorApiFn()->TpuTopology_ChipBounds_YFn(topology_),
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tpu::ExecutorApiFn()->TpuTopology_ChipBounds_ZFn(topology_)};
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}
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bool TpuTopologyExternal::HasChip(int x, int y, int z) const {
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return tpu::ExecutorApiFn()->TpuTopology_HasChipFn(topology_, x, y, z);
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}
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TpuCoreLocationExternal TpuTopologyExternal::CoreForId(
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TpuCoreTypeEnum core_type, int id) const {
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return TpuCoreLocationExternal(
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tpu::ExecutorApiFn()->TpuTopology_CoreForIdFn(topology_, core_type, id));
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}
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TpuCoreLocationExternal TpuTopologyExternal::Core(TpuCoreTypeEnum core_type,
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int x, int y, int z,
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int index) const {
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return TpuCoreLocationExternal(tpu::ExecutorApiFn()->TpuTopology_CoreFn(
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topology_, core_type, x, y, z, index));
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}
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std::vector<TpuCoreLocationExternal> TpuTopologyExternal::cores(
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TpuCoreTypeEnum core_type) const {
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int num_cores =
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tpu::ExecutorApiFn()->TpuTopology_NumCoresFn(topology_, core_type);
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std::vector<SE_TpuTopology_Core*> core_ptrs(num_cores);
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tpu::ExecutorApiFn()->TpuTopology_CoresFn(topology_, core_type,
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core_ptrs.data());
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std::vector<TpuCoreLocationExternal> result;
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result.reserve(num_cores);
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for (SE_TpuTopology_Core* ptr : core_ptrs) {
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result.emplace_back(ptr);
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}
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return result;
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}
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int TpuTopologyExternal::IdForHost(TpuDimensionsExternal host) const {
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return tpu::ExecutorApiFn()->TpuTopology_IdForHostFn(topology_, host.x,
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host.y, host.z);
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}
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TpuVersionEnum TpuTopologyExternal::version() const {
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return tpu::ExecutorApiFn()->TpuTopology_VersionFn(topology_);
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}
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std::string TpuVersionEnumToString(TpuVersionEnum version) {
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switch (version) {
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case kUnknownTpuVersion:
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return "Unknown TPU version";
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case kTpuV2:
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return "TPU v2";
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case kTpuV3:
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return "TPU v3";
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case kTpuV4:
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return "TPU v4";
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}
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}
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} // namespace tpu
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} // namespace tensorflow
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