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#if !defined(TORCH_STABLE_ONLY) && !defined(TORCH_TARGET_VERSION)
#pragma once
#include <c10/core/Device.h>
#include <c10/util/Exception.h>
#include <c10/util/Registry.h>
#include <ATen/detail/AcceleratorHooksInterface.h>
C10_DIAGNOSTIC_PUSH_AND_IGNORED_IF_DEFINED("-Wunused-parameter")
namespace at {
constexpr const char* XLA_HELP =
"This error has occurred because you are trying "
"to use some XLA functionality, but the XLA library has not been "
"loaded by the dynamic linker. You must load xla libraries by `import torch_xla`";
struct TORCH_API XLAHooksInterface : AcceleratorHooksInterface {
~XLAHooksInterface() override = default;
void init() const override {
TORCH_CHECK(false, "Cannot initialize XLA without torch_xla library. ", XLA_HELP);
}
virtual bool hasXLA() const {
return false;
}
virtual std::string showConfig() const {
TORCH_CHECK(
false,
"Cannot query detailed XLA version without torch_xla library. ",
XLA_HELP);
}
const Generator& getDefaultGenerator(
[[maybe_unused]] DeviceIndex device_index = -1) const override {
TORCH_CHECK(
false, "Cannot get default XLA generator without torch_xla library. ", XLA_HELP);
}
Generator getNewGenerator(
[[maybe_unused]] DeviceIndex device_index = -1) const override {
TORCH_CHECK(false, "Cannot get XLA generator without torch_xla library. ", XLA_HELP);
}
virtual DeviceIndex getCurrentDevice() const override {
TORCH_CHECK(false, "Cannot get current XLA device without torch_xla library. ", XLA_HELP);
}
Device getDeviceFromPtr(void* /*data*/) const override {
TORCH_CHECK(false, "Cannot get device of pointer on XLA without torch_xla library. ", XLA_HELP);
}
Allocator* getPinnedMemoryAllocator() const override {
TORCH_CHECK(false, "Cannot get XLA pinned memory allocator without torch_xla library. ", XLA_HELP);
}
bool isPinnedPtr(const void* data) const override {
return false;
}
bool hasPrimaryContext(DeviceIndex device_index) const override {
TORCH_CHECK(false, "Cannot query primary context without torch_xla library. ", XLA_HELP);
}
};
struct TORCH_API XLAHooksArgs {};
TORCH_DECLARE_REGISTRY(XLAHooksRegistry, XLAHooksInterface, XLAHooksArgs);
#define REGISTER_XLA_HOOKS(clsname) \
C10_REGISTER_CLASS(XLAHooksRegistry, clsname, clsname)
namespace detail {
TORCH_API const XLAHooksInterface& getXLAHooks();
} // namespace detail
} // namespace at
C10_DIAGNOSTIC_POP()
#else
#error "This file should not be included when either TORCH_STABLE_ONLY or TORCH_TARGET_VERSION is defined."
#endif // !defined(TORCH_STABLE_ONLY) && !defined(TORCH_TARGET_VERSION)