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operator.cc
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#include "caffe2/core/operator.h"
#include <algorithm>
#include "caffe2/core/init.h"
#include "caffe2/core/logging.h"
#include "caffe2/core/net.h"
#include "caffe2/core/operator_gradient.h"
#include "caffe2/core/tensor.h"
#include "caffe2/core/tensor_int8.h"
#include "caffe2/core/types.h"
#include "caffe2/core/workspace.h"
#include "caffe2/proto/caffe2_pb.h"
#include "caffe2/utils/proto_utils.h"
#include "caffe2/utils/string_utils.h"
#if !defined(CAFFE2_IS_XPLAT_BUILD) && !defined(C10_MOBILE)
#include <ATen/core/List.h>
#endif
#include "caffe2/core/export_c10_op_to_caffe2.h"
C10_DEFINE_int(
caffe2_operator_max_engine_name_length,
10,
"Maximum engine name length to be stored");
C10_DEFINE_bool(
caffe2_disable_implicit_engine_preference,
false,
"If set, disable implicit engine preferences. This is useful for unit "
"testing and debugging cases.");
C10_DEFINE_bool(
caffe2_operator_throw_if_fp_exceptions,
false,
"If set, throws if floating point exceptions (FE_DIVBYZERO, FE_INVALID) "
"are detected when running any operator. FE_OVERFLOW is handled separately "
"by caffe2_operator_throw_if_fp_overflow_exceptions option.");
C10_DEFINE_bool(
caffe2_operator_throw_if_fp_overflow_exceptions,
false,
"If set, throws if floating point exception FE_OVERFLOW is detected when "
"running any operator.");
#ifdef __GNU_LIBRARY__
C10_DEFINE_bool(
caffe2_operator_throw_on_first_occurrence_if_fp_exceptions,
false,
"If set with caffe2_operator_throw_if_fp_exceptions or "
"caffe2_operator_throw_if_fp_overflow_exceptions, throw on the first "
"occurrence of corresponding floating point exceptions that is detected when "
"running any operator.");
#endif
namespace caffe2 {
OperatorBase::OperatorBase(const OperatorDef& operator_def, Workspace* ws)
: operator_ws_(ws),
operator_def_(std::make_shared<OperatorDef>(operator_def)),
device_option_(
operator_def.has_device_option() ? operator_def.device_option()
: DeviceOption()),
#if defined(EXPOSE_C2_OPS) || \
!defined(CAFFE2_IS_XPLAT_BUILD) && !defined(C10_MOBILE)
newstyle_outputs_(),
#endif
input_size_(operator_def.input_size()),
event_(std::make_unique<Event>(device_option_)) {
static GlobalInitIsCalledGuard guard;
inputs_.reserve(operator_def.input_size());
for (const string& input_str : operator_def.input()) {
auto* blob = ws->GetBlob(input_str);
CAFFE_ENFORCE(
blob != nullptr,
"op ",
operator_def.type(),
": Encountered a non-existing input blob: ",
input_str);
inputs_.push_back(blob);
}
GetOperatorLogger()(operator_def);
outputs_.reserve(operator_def.output_size());
for (const string& output_str : operator_def.output()) {
outputs_.push_back(CHECK_NOTNULL(ws->CreateBlob(output_str)));
}
type_ = operator_def.type();
}
#if defined(EXPOSE_C2_OPS) || \
!defined(CAFFE2_IS_XPLAT_BUILD) && !defined(C10_MOBILE)
namespace {
int C10_UNUSED // Suppress unused function warning on mobile.
compute_input_size_(const std::vector<c10::IValue>& inputs) {
if (inputs.empty()) {
return 0;
}
if (inputs[0].isTensorList()) {
// if the first input is a tensor list, we get input tensors by indexing
// into that list. currently, this means that only tensors from that list
// are accessible as inputs. any hypothetical input tensors that come after
// the list are not accessible.
return inputs[0].toTensorVector().size();
}
// it's not a tensor list. Count the number of tensor inputs and return them.
size_t num_tensor_inputs = 0;
bool found_nontensor = false;
for (const auto& input : inputs) {
if (input.isTensor()) {
AT_ASSERTM(
!found_nontensor,
"All tensor arguments must come before non-tensor arguments");
++num_tensor_inputs;
} else {
found_nontensor = true;
}
}
return num_tensor_inputs;
}
} // namespace
OperatorBase::OperatorBase(
const c10::FunctionSchema& fn_schema,
std::vector<c10::IValue> inputs,
c10::List<at::Tensor> outputs)
: fn_schema_(make_unique<c10::FunctionSchema>(std::move(fn_schema))),
newstyle_inputs_(std::move(inputs)),
newstyle_outputs_(std::move(outputs)),
input_size_(compute_input_size_(newstyle_inputs_)) {
input_tensors_.resize(input_size_);
output_tensors_.resize(newstyle_outputs_.size());
}
#endif
vector<TensorShape> OperatorBase::InputTensorShapes() const {
CAFFE_ENFORCE(
isLegacyOperator(),
"InputTensorShapes() not supported for operators exported to c10.");
vector<TensorShape> tps;
for (const auto& blob : inputs_) {
tps.push_back(GetTensorShapeOfBlob(blob));
}
return tps;
}
namespace {
PerOpEnginePrefType& g_per_op_engine_pref() {
static auto* g_per_op_engine_pref_ = new PerOpEnginePrefType();
return *g_per_op_engine_pref_;
}
GlobalEnginePrefType& g_global_engine_pref() {
static auto* g_global_engine_pref_ =
new GlobalEnginePrefType{{CUDA, {"CUDNN"}}, {HIP, {"MIOPEN"}}};
return *g_global_engine_pref_;
}
unique_ptr<OperatorBase> TryCreateOperator(
const string& key,
const OperatorDef& operator_def,
Workspace* ws) {
const auto& type_proto = operator_def.device_option().device_type();
const auto& type = ProtoToType(static_cast<DeviceTypeProto>(type_proto));
CAFFE_ENFORCE(
gDeviceTypeRegistry()->count(type),
"Device type ",
type,
" not registered.");
OperatorRegistry* registry = gDeviceTypeRegistry()->at(type);
VLOG(1) << "Creating operator with device type " << type;
try {
return registry->Create(key, operator_def, ws);
} catch (const UnsupportedOperatorFeature& err) {
LOG(WARNING) << "Operator " << operator_def.type()
<< " does not support the requested feature. Msg: "
<< err.what()
<< ". Proto is: " << ProtoDebugString(operator_def);
return nullptr;
}
}
unique_ptr<OperatorBase> _CreateOperator(
const OperatorDef& operator_def,
Workspace* ws) {
static StaticLinkingProtector g_protector;
const auto& op_type = operator_def.type();
const auto& device_type_proto = operator_def.device_option().device_type();
const auto& device_type =
ProtoToType(static_cast<DeviceTypeProto>(device_type_proto));
#ifndef CAFFE2_NO_OPERATOR_SCHEMA
// first, check with OpSchema if the operator is legal.
auto* schema = OpSchemaRegistry::Schema(op_type);
if (schema) {
CAFFE_ENFORCE(
schema->Verify(operator_def),
"Operator def did not pass schema checking: ",
ProtoDebugString(operator_def));
} else {
// We would like to recommend every op to register its schema, so if there
// is not one, we print a LOG_ERROR. But we will still allow the operator
// to be constructed.
LOG(ERROR) << "Cannot find operator schema for " << op_type
<< ". Will skip schema checking.";
}
#endif
// second try engines specified in the operator_def and preferred engines
std::vector<std::string> engines{};
if (operator_def.engine().size()) {
const auto op_def_engines = split(',', operator_def.engine());
engines.insert(engines.end(), op_def_engines.begin(), op_def_engines.end());
}
if (!FLAGS_caffe2_disable_implicit_engine_preference &&
g_per_op_engine_pref().count(device_type) &&
g_per_op_engine_pref()[device_type].count(op_type)) {
const auto& preferred_engines =
g_per_op_engine_pref()[device_type][op_type];
VLOG(2) << "Inserting per-op engine preference: " << preferred_engines;
engines.insert(
engines.end(), preferred_engines.begin(), preferred_engines.end());
}
if (!FLAGS_caffe2_disable_implicit_engine_preference &&
g_global_engine_pref().count(device_type)) {
const auto& preferred_engines = g_global_engine_pref()[device_type];
VLOG(2) << "Inserting global engine preference: " << preferred_engines;
engines.insert(
engines.end(), preferred_engines.begin(), preferred_engines.end());
}
for (const auto& engine : engines) {
const std::string key = OpRegistryKey(op_type, engine);
VLOG(1) << "Trying to create operator " << op_type << " with engine "
<< engine;
auto op = TryCreateOperator(key, operator_def, ws);
if (op) {
if (engine.size() <=
(unsigned)FLAGS_caffe2_operator_max_engine_name_length) {
op->annotate_engine(engine);
} else {
op->annotate_engine(
engine.substr(0, FLAGS_caffe2_operator_max_engine_name_length));
}
return op;
} else {
// If the above fails, we will just return the normal case with the
// default implementation.
VLOG(1) << "Engine " << engine << " is not available for operator "
<< op_type << ".";
}
}
if (operator_def.engine().size() && !VLOG_IS_ON(1)) {
static int log_occurrences = 0;
if (log_occurrences <= 64) {
++log_occurrences;
LOG(INFO) << "Engine " << operator_def.engine()
<< " is not available for operator " << op_type << ".";
}
}
VLOG(1) << "Using default implementation.";
// Lastly, if the engine does not work here, try using the default engine.
auto op = TryCreateOperator(op_type, operator_def, ws);
CAFFE_ENFORCE(
op,
"Cannot create operator of type '",
op_type,
"' on the device '",
DeviceTypeName(device_type),
"'. Verify that implementation for the corresponding device exist. It "
"might also happen if the binary is not linked with the operator "
"implementation code. If Python frontend is used it might happen if "
"dyndep.InitOpsLibrary call is missing. Operator def: ",
ProtoDebugString(operator_def));
return op;
}
} // namespace
const std::string OpRegistryKey(
const std::string& op_type,
const std::string& engine) {
if (engine == "" || engine == "DEFAULT") {
return op_type;
} else {
return op_type + "_ENGINE_" + engine;
}
}
void SetPerOpEnginePref(const PerOpEnginePrefType& per_op_engine_pref) {
for (const auto& device_pref_pair : per_op_engine_pref) {
const auto& device_type = device_pref_pair.first;
CAFFE_ENFORCE(
gDeviceTypeRegistry()->count(device_type),
"Device type ",
device_type,
" not registered.");
auto* registry = gDeviceTypeRegistry()->at(device_type);
for (const auto& op_pref_pair : device_pref_pair.second) {
const auto& op_type = op_pref_pair.first;
CAFFE_ENFORCE(
registry->Has(op_type),
"Operator type ",
op_type,
" not registered in ",
device_type,
" registry.");
}
}
g_per_op_engine_pref() = per_op_engine_pref;
}
void SetGlobalEnginePref(const GlobalEnginePrefType& global_engine_pref) {
for (const auto& device_pref_pair : global_engine_pref) {
const auto& device_type = device_pref_pair.first;
CAFFE_ENFORCE(
gDeviceTypeRegistry()->count(device_type),
"Device type ",
device_type,
" not registered.");
}
g_global_engine_pref() = global_engine_pref;
}
void SetEnginePref(
const PerOpEnginePrefType& per_op_engine_pref,
const GlobalEnginePrefType& global_engine_pref) {
SetPerOpEnginePref(per_op_engine_pref);
SetGlobalEnginePref(global_engine_pref);
}
void SetOpEnginePref(
const std::string& op_type,
const CaffeMap<DeviceType, EnginePrefType>& op_pref) {
for (const auto& device_pref_pair : op_pref) {
const auto& device_type_proto = device_pref_pair.first;
const auto& device_type =
ProtoToType(static_cast<DeviceTypeProto>(device_type_proto));
CAFFE_ENFORCE(
gDeviceTypeRegistry()->count(device_type),
"Device type ",
device_type,
" not registered.");
CAFFE_ENFORCE(
gDeviceTypeRegistry()->at(device_type)->Has(op_type),
"Operator type ",
op_type,
" not registered in ",
device_type,
" registry.");
g_per_op_engine_pref()[device_type][op_type] = device_pref_pair.second;
}
}
unique_ptr<OperatorBase> CreateOperator(
const OperatorDef& operator_def,
Workspace* ws,
int net_position) {
try {
auto op = _CreateOperator(operator_def, ws);
op->set_net_position(net_position);
return op;
} catch (...) {
if (net_position != 0) {
VLOG(1) << "Operator constructor with net position " << net_position
<< " failed";
ws->last_failed_op_net_position = net_position;
} else {
VLOG(1) << "Failed operator constructor doesn't have an id set";
}
throw;
}
}
std::map<DeviceType, OperatorRegistry*>* gDeviceTypeRegistry() {
static std::map<DeviceType, OperatorRegistry*> g_device_type_registry;
return &g_device_type_registry;
}
C10_DEFINE_REGISTRY(
CPUOperatorRegistry,
OperatorBase,
const OperatorDef&,
Workspace*);
CAFFE_REGISTER_DEVICE_TYPE(CPU, CPUOperatorRegistry);
C10_DEFINE_REGISTRY(
CUDAOperatorRegistry,
OperatorBase,
const OperatorDef&,
Workspace*);
CAFFE_REGISTER_DEVICE_TYPE(CUDA, CUDAOperatorRegistry);
C10_DEFINE_REGISTRY(
HIPOperatorRegistry,
OperatorBase,
const OperatorDef&,
Workspace*);
CAFFE_REGISTER_DEVICE_TYPE(HIP, HIPOperatorRegistry);
C10_DEFINE_REGISTRY(
GradientRegistry,
GradientMakerBase,
const OperatorDef&,
const vector<GradientWrapper>&);
GradientOpsMeta GetGradientForOp(
const OperatorDef& def,
const vector<GradientWrapper>& g_output) {
C10_LOG_API_USAGE_ONCE("caffe2.gradient_maker");
std::unique_ptr<GradientMakerBase> maker(
GradientRegistry()->Create(def.type(), def, g_output));
CAFFE_ENFORCE(
maker, "Gradient maker for operator ", def.type(), " not implemented.");
GradientOpsMeta meta = maker->Get();
// Copy device option, engine, and arguments if needed.
if (maker->CopyDeviceOption() && def.has_device_option()) {
for (OperatorDef& grad_def : meta.ops_) {
grad_def.mutable_device_option()->CopyFrom(def.device_option());
}
}
// Copy engine if needed.
if (maker->CopyEngine() && def.has_engine()) {
for (OperatorDef& grad_def : meta.ops_) {
grad_def.set_engine(def.engine());
}
}
// Copy arguments if needed.
if (maker->CopyArguments() && def.arg_size()) {
for (OperatorDef& grad_def : meta.ops_) {
for (auto& arg : def.arg()) {
grad_def.add_arg()->CopyFrom(arg);
}
}
}
// VLOG for debugging purposes.
for (const OperatorDef& grad_def : meta.ops_) {
VLOG(1) << "Gradient ops: " << ProtoDebugString(grad_def);
}
// Check if the gradient computation has returned the right size for the
// gradient vector.
CAFFE_ENFORCE_EQ(meta.g_input_.size(), def.input_size());
VLOG(1) << "Gradients:";
for (const GradientWrapper& grad : meta.g_input_) {
// The gradient should either be (1) not set, or (2) dense, or (3) sparse,
// but cannot be both dense and sparse.
if (!grad.IsDense() && !grad.IsSparse()) {
VLOG(1) << "\t [no gradient]";
} else if (grad.IsDense()) {
VLOG(1) << "\t [dense]" << grad.dense_;
} else {
CAFFE_ENFORCE(
grad.indices_.size() && grad.values_.size(),
"For sparse gradient, one should set both indices and values. "
"Currently we have: (" +
grad.indices_ + ", " + grad.values_ + ").");
VLOG(1) << "\t [sparse] " << grad.indices_ << ", " << grad.values_;
}
}
return meta;
}
TensorShapes InferBlobShapesAndTypes(
CaffeMap<string, TensorShape>& blob_desc,
const vector<NetDef*>& nets) {
for (auto& defptr : nets) {
// Hack to work with auto split gradients
CaffeMap<string, string> unmatched_sum_blobs;
CaffeMap<string, TensorShape> reshape_cache;
CaffeMap<string, vector<TensorShape>> split_cache;
for (const OperatorDef& op : defptr->op()) {
// Hack to ignore queues
if (op.type().find("Dequeue") != std::string::npos ||
op.type().find("Enqueue") != std::string::npos) {
continue;
}
vector<TensorShape> input_desc;
bool found_all = true;
for (const string& in : op.input()) {
auto inp_desc = blob_desc.find(in);
if (inp_desc == blob_desc.end()) {
LOG(WARNING) << "Shape and type inference failed for input: " << in
<< " for op " << op.type() << ", skipping.";
found_all = false;
break;
}
input_desc.push_back(inp_desc->second);
}
if (!found_all) {
continue;
}
auto op_schema = OpSchemaRegistry::Schema(op.type());
if (op_schema == nullptr) {
LOG(WARNING) << "Shape inference failed, no schema for: " << op.type();
continue;
}
// Special handling for Sum as it used with the autosplits, which have
// different naming convention. Assuming that all sum inputs must be of
// same size, we can infer their shapes.
if (op.type() == "Sum") {
TensorShape sum_shape;
for (auto inp : op.input()) {
auto it = blob_desc.find(inp);
if (it != blob_desc.end() && !it->second.unknown_shape()) {
if (it->second.dims_size() > 0) {
sum_shape = blob_desc[inp];
break;
}
}
}
for (auto inp : op.input()) {
auto it = blob_desc.find(inp);
if (it == blob_desc.end() || it->second.unknown_shape()) {
blob_desc[inp] = sum_shape;
if (sum_shape.dims_size() == 0) {
// Match later with the output
unmatched_sum_blobs[inp] = op.output(0);
}
}
}
}
if (op.type() == "Reshape" && op.is_gradient_op()) {
CAFFE_ENFORCE(reshape_cache.find(op.input(1)) != reshape_cache.end());
TensorShape cached = reshape_cache[op.input(1)];
blob_desc[op.output(0)] = cached;
TensorShape dims;
dims.add_dims(cached.dims_size());
dims.set_data_type(TensorProto_DataType_INT64);
blob_desc[op.output(1)] = dims;
continue;
} else if (
op.type() == "Split" && op.input_size() == 2 && op.is_gradient_op()) {
CAFFE_ENFORCE(split_cache.find(op.input(1)) != split_cache.end());
vector<TensorShape> cached = split_cache[op.input(1)];
CAFFE_ENFORCE_EQ(op.output_size(), cached.size());
for (size_t i = 0; i < cached.size(); i++) {
blob_desc[op.output(i)] = cached[i];
}
continue;
}
std::vector<TensorShape> out;
try {
out = op_schema->InferTensor(op, input_desc);
if (op.is_gradient_op() && out.size()) {
// Special handling for gradient ops. We can assume gradients
// are of same size as the corresponding variables. This is bit
// ugly to base on string matching, but we don't have the connection
// between variable and its gradient specified
CaffeMap<string, string> grads_to_params =
GradientMakerBase::MatchGradsToParams(op);
for (size_t i = 0; i < out.size(); i++) {
if (out[i].unknown_shape()) {
std::string gradout = op.output(i);
if (grads_to_params.find(gradout) != grads_to_params.end()) {
std::string var = grads_to_params[gradout];
if (blob_desc.find(var) != blob_desc.end()) {
out[i] = blob_desc[var];
}
}
}
}
}
if (op.type() == "Reshape") {
// Reshape stores the original input shape to its second output
// blob. We need this for gradient reshape.
reshape_cache[op.output(1)] = input_desc[0];
} else if (op.type() == "Concat") {
// Split needs the input sizes from Concat.
split_cache[op.output(1)] = input_desc;
}
} catch (::caffe2::EnforceNotMet& enf) {
LOG(ERROR) << "Shape inference error: " << enf.what();
LOG(ERROR) << "Operator: " << ProtoDebugString(op) << std::endl;
LOG(ERROR) << "Returning empty results.";
TensorShapes tps;
return tps;
}
if (out.size() != (unsigned)op.output_size()) {
if (op.type() == "Slice") {
CAFFE_ENFORCE(
out.size() == 0,
"For Slice operator, either shape of all output blobs are "
"inferred or shape of none can be inferred.");
} else {
CAFFE_THROW(
"Invalid shape inference for operator ",
op.type(),
" Expected ",
op.output_size(),
" outputs, but got ",
out.size());
}
} else {
for (size_t i = 0; i < out.size(); i++) {
blob_desc[op.output(i)] = out[i];
}
}
} // net.ops
for (auto& unmatched : unmatched_sum_blobs) {
if (blob_desc.find(unmatched.second) != blob_desc.end()) {
blob_desc[unmatched.first] = blob_desc[unmatched.second];
}
}
} // nets
TensorShapes tps;
for (auto kv : blob_desc) {
TensorShape& tp = kv.second;
TensorShape* tpnew = tps.add_shapes();
tpnew->CopyFrom(tp);
tpnew->set_name(kv.first);
}
return tps;
}
void LoadInt8TensorInfoOfBlob(
std::vector<float>* scale,
std::vector<float>* offset,
uint32_t* axis,
const Blob* b) {
const int8::Int8TensorCPU* int8_tensor =
static_cast<const int8::Int8TensorCPU*>(b->GetRaw());
scale->clear();
offset->clear();
scale->push_back(int8_tensor->scale);
offset->push_back(int8_tensor->zero_point);
*axis = 1;
}
TensorShape GetTensorShapeOfBlob(const Blob* b) {
TensorShape tp;
#ifndef C10_MOBILE
auto function_ptr =
ExternalTensorFunctionsBaseRegistry()->Create(b->meta().id());
if (function_ptr != nullptr) {
// This is dnnlowp tensor and we cant deal with it using regular path
auto dtype = function_ptr->GetExternalTensorType(b->GetRaw());
tp.set_data_type(TypeMetaToDataType(dtype));
size_t _capacity;
DeviceOption _device;
auto dshape =
function_ptr->GetExternalTensorInfo(b->GetRaw(), &_capacity, &_device);
for (auto d : dshape) {
tp.add_dims(d);
}
return tp;
}
#endif
TypeCall type_fun = GetTypeCallFunction(b->meta().id());
TensorInfoCall tensor_info_fun = GetTensorInfoFunction(b->meta().id());
if (type_fun) {
tp.set_data_type(TypeMetaToDataType(type_fun(b->GetRaw())));
}
if (tensor_info_fun) {
size_t _capacity;
DeviceOption _device;
auto shape = tensor_info_fun(b->GetRaw(), &_capacity, &_device);
for (auto d : shape) {
tp.add_dims(d);
}
} else {
tp.set_unknown_shape(true);
}
return tp;
}
TensorShapes InferBlobShapesAndTypesFromWorkspace(
Workspace* ws,
const vector<NetDef*>& nets) {
CaffeMap<string, TensorShape> blob_desc;
// Populate shapes from workplace
const std::vector<string>& ws_blobs = ws->Blobs();
for (const auto& s : ws_blobs) {
Blob* b = ws->GetBlob(s);
TensorShape tp = GetTensorShapeOfBlob(b);
blob_desc[s] = tp;
}
return InferBlobShapesAndTypes(blob_desc, nets);
}
TensorShapes InferBlobShapesAndTypesFromMap(
const CaffeMap<std::string, std::vector<int64_t>>& blob_dimensions,
const vector<NetDef*>& nets) {
CaffeMap<string, TensorShape> blob_desc;
// Populate shapes from known blobs
for (const auto& blob : blob_dimensions) {
TensorShape tp;
for (auto d : blob.second) {
CAFFE_ENFORCE_GE(d, 0, blob.first);
tp.add_dims(d);
}
blob_desc[blob.first] = tp;
}
return InferBlobShapesAndTypes(blob_desc, nets);
}
TensorShapes InferBlobShapesAndTypesFromMap(
const CaffeMap<std::string, std::vector<int64_t>>& blob_dimensions,
const CaffeMap<std::string, TensorProto_DataType>& blob_types,
const vector<NetDef*>& nets) {
CaffeMap<string, TensorShape> blob_desc;
// Populate shapes from known blobs
for (const auto& blob : blob_dimensions) {
TensorShape tp;
for (auto d : blob.second) {
CAFFE_ENFORCE_GE(d, 0, blob.first);
tp.add_dims(d);
}
auto blob_type = blob_types.find(blob.first);
if (blob_type == blob_types.end()) {
LOG(WARNING) << "Missing type of " << blob.first
<< "; assuming to be UNDEFINED";
tp.set_data_type(TensorProto_DataType_UNDEFINED);
} else {
tp.set_data_type(blob_type->second);
}
blob_desc[blob.first] = tp;
}
return InferBlobShapesAndTypes(blob_desc, nets);
}
std::map<string, std::pair<DeviceOption, DeviceOption>> ValidateTensorDevices(
OperatorBase& op,
const OperatorDef& op_def) {
std::map<string, std::pair<DeviceOption, DeviceOption>> mismatches;
DeviceOption op_device = op_def.device_option();
#ifndef CAFFE2_NO_OPERATOR_SCHEMA
// Check from op schema if this op is used for crossing devices
auto op_schema = OpSchemaRegistry::Schema(op_def.type());
if (op_schema != nullptr) {
if (op_schema->inputs_can_cross_devices()) {
return mismatches;
}
}
#endif // CAFFE2_NO_OPERATOR_SCHEMA
auto Check = [&](const Blob& blob, std::string blob_name) {
TensorInfoCall tensor_info_fun = GetTensorInfoFunction(blob.meta().id());
if (tensor_info_fun) {
size_t _capacity;
DeviceOption blob_device;
tensor_info_fun(
const_cast<Blob&>(blob).GetRaw(), &_capacity, &blob_device);
if ((blob_device.device_type() == PROTO_CUDA ||
blob_device.device_type() == PROTO_HIP) &&
blob_device.device_id() != op_device.device_id()) {
mismatches[blob_name] = std::make_pair(op_device, blob_device);
}
}
};
// Check that inputs have same device type as the op
for (int i = 0; i < op.InputSize(); i++) {
Check(op.InputBlob(i), op_def.input(i));
}
for (int i = 0; i < op.OutputSize(); i++) {
Check(*op.OutputBlob(i), op_def.output(i));
}
return mismatches;
}
std::set<std::string> GetRegisteredOperators() {
std::set<std::string> all_keys;
// CPU operators
for (const auto& name : CPUOperatorRegistry()->Keys()) {
all_keys.emplace(name);
}
// CUDA operators
for (const auto& name : CUDAOperatorRegistry()->Keys()) {
all_keys.emplace(name);
}
// HIP operators
for (const auto& name : HIPOperatorRegistry()->Keys()) {
all_keys.emplace(name);
}
return all_keys;
}
static std::function<void(const OperatorDef&)> OperatorLogger =
[](const OperatorDef&) { return; };
void SetOperatorLogger(std::function<void(const OperatorDef&)> tracer) {
OperatorLogger = tracer;
}
std::function<void(const OperatorDef&)> GetOperatorLogger() {
return OperatorLogger;
}
c10::optional<int> OperatorBase::argumentIndexWithName(
const std::string& name) const {
#if defined(EXPOSE_C2_OPS) || \
!defined(CAFFE2_IS_XPLAT_BUILD) && !defined(C10_MOBILE)
return getFunctionSchema().argumentIndexWithName(name);
#else
CAFFE_THROW("Non-legacy operators are not legal in xplat/caffe2");
#endif
}
bool OperatorBase::RunAsync(int stream_id) {
try {
auto result = Run(stream_id);
if (result) {
if (HasAsyncPart()) {
RecordEvent();
} else {
SetEventFinished();
}
} else {
SetEventFinished(getErrorMsg().c_str());
}
return result;
} catch (EnforceNotMet& err) {
SetEventFinishedWithException(err.what());
throw;
} catch (const std::exception& err) {
SetEventFinishedWithException(err.what());
throw;
} catch (...) {
SetEventFinishedWithException(getErrorMsg().c_str());
throw;
}
}
void OperatorBase::AddRelatedBlobInfo(EnforceNotMet* err) {
CAFFE_ENFORCE(
isLegacyOperator(),
"AddRelatedBlobInfo(err) not supported for operators exported to c10.");
if (!has_debug_def()) {
return;
}
bool found_input = false;
bool found_output = false;
if (err->caller() != nullptr) {
std::ostringstream oss;
for (size_t i = 0; i < inputs_.size(); i++) {
if (inputs_[i]->GetRaw() == err->caller()) {
found_input = true;
oss << "while accessing input: " << debug_def().input(i);
break;
}
}
for (size_t i = 0; i < outputs_.size(); i++) {
if (outputs_[i]->GetRaw() == err->caller()) {
found_output = true;
if (found_input) {
oss << " OR ";
}
oss << "while accessing output: " << debug_def().output(i);
break;
}
}
if (found_input || found_output) {
err->add_context(oss.str());
}
}
}
OperatorBase::~OperatorBase() noexcept = default;
#ifndef C10_MOBILE
C10_DEFINE_TYPED_REGISTRY(
ExternalTensorFunctionsBaseRegistry,
TypeIdentifier,
ExternalTensorFunctionsBase,
std::unique_ptr);
#endif
} // namespace caffe2