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array_interface.cc
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53 lines (47 loc) · 1.29 KB
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/**
* Copyright 2019-2026, XGBoost Contributors
*/
#include "array_interface.h"
#include "../common/error_msg.h" // for Unreachable
#if !defined(XGBOOST_USE_CUDA)
#include "../common/common.h" // for AssertGPUSupport
#endif // !defined(XGBOOST_USE_CUDA)
namespace xgboost {
std::string ArrayInterfaceHandler::TypeStr(Type type) {
auto name_fn = [](std::int32_t bits, char t) {
return std::to_string(bits) + "-bit " + ArrayInterfaceErrors::TypeStr(t);
};
switch (type) {
case kF2:
return name_fn(16, 'f');
case kF4:
return name_fn(32, 'f');
case kF8:
return name_fn(64, 'f');
case kF16:
return name_fn(128, 'f');
case kI1:
return name_fn(8, 'i');
case kI2:
return name_fn(16, 'i');
case kI4:
return name_fn(32, 'i');
case kI8:
return name_fn(64, 'i');
case kU1:
return name_fn(8, 'u');
case kU2:
return name_fn(16, 'u');
case kU4:
return name_fn(32, 'u');
case kU8:
return name_fn(64, 'u');
}
error::Unreachable();
return {};
}
#if !defined(XGBOOST_USE_CUDA)
void ArrayInterfaceHandler::SyncCudaStream(int64_t) { common::AssertGPUSupport(); }
bool ArrayInterfaceHandler::IsCudaPtr(void const *) { return false; }
#endif // !defined(XGBOOST_USE_CUDA)
} // namespace xgboost