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#include <hip/hip_runtime.h> | ||
#include <iostream> | ||
#include <algorithm> | ||
#include <type_traits> | ||
#include <cstdlib> // For std::abort | ||
#include <typeinfo> // For typeid | ||
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std::string demangle(const char* name) { | ||
if (std::string(name) == "i") return "int"; | ||
else if (std::string(name) == "f") return "float"; | ||
else if (std::string(name) == "d") return "double"; | ||
else if (std::string(name) == "j") return "unsigned int"; | ||
else if (std::string(name) == "l") return "long"; | ||
else if (std::string(name) == "m") return "unsigned long"; | ||
else if (std::string(name) == "x") return "long long"; | ||
else if (std::string(name) == "y") return "unsigned long long"; | ||
else return std::string(name); | ||
} | ||
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void checkHipCall(hipError_t status, const char* msg) { | ||
if (status != hipSuccess) { | ||
std::cerr << "HIP Error: " << msg << " - " << hipGetErrorString(status) << std::endl; | ||
std::abort(); | ||
} | ||
} | ||
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template<typename T1, typename T2> | ||
void compareResults(T1 hipResult, T2 stdResult, const std::string& testName) { | ||
using CommonType = typename std::common_type<T1, T2>::type; | ||
if (static_cast<CommonType>(hipResult) != static_cast<CommonType>(stdResult)) { | ||
std::cerr << testName << " mismatch: HIP result " << hipResult << " (" << demangle(typeid(hipResult).name()) << "), std result " << stdResult << " (" << demangle(typeid(stdResult).name()) << ")" << std::endl; | ||
std::abort(); | ||
} | ||
} | ||
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template<typename T1, typename T2> | ||
void runTest(T1 a, T2 b) { | ||
std::cout << "\nTesting with values: " << a << " (" << demangle(typeid(a).name()) << ") and " << b << " (" << demangle(typeid(b).name()) << ")" << std::endl; | ||
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// Using std::min and std::max explicitly for host code to ensure clarity and correctness | ||
using CommonType = typename std::common_type<T1, T2>::type; | ||
CommonType stdMinResult = std::min<CommonType>(a, b); | ||
CommonType stdMaxResult = std::max<CommonType>(a, b); | ||
std::cout << "Host std::min result: " << stdMinResult << " (Type: " << demangle(typeid(stdMinResult).name()) << ")" << std::endl; | ||
std::cout << "Host std::max result: " << stdMaxResult << " (Type: " << demangle(typeid(stdMaxResult).name()) << ")" << std::endl; | ||
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// Using HIP's global min/max functions | ||
CommonType hipMinResult = min(a, b); // Note: This directly uses HIP's min, assuming it's correctly overloaded for host code | ||
CommonType hipMaxResult = max(a, b); // Note: This directly uses HIP's max, assuming it's correctly overloaded for host code | ||
std::cout << "Host HIP min result: " << hipMinResult << " (Type: " << demangle(typeid(hipMinResult).name()) << ")" << std::endl; | ||
std::cout << "Host HIP max result: " << hipMaxResult << " (Type: " << demangle(typeid(hipMaxResult).name()) << ")" << std::endl; | ||
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// Ensure the host HIP and std results match | ||
compareResults(hipMinResult, stdMinResult, "HIP vs std min"); | ||
compareResults(hipMaxResult, stdMaxResult, "HIP vs std max"); | ||
} | ||
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int main() { | ||
checkHipCall(hipSetDevice(0), "hipSetDevice failed"); | ||
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runTest(10uLL, -5LL); // Testing with unsigned int and long long | ||
runTest(-15, 20u); // Testing with int and unsigned int | ||
runTest(2147483647, 2147483648u); // Testing with int and unsigned int | ||
runTest(-922337203685477580LL, 922337203685477580uLL); // Testing with long long and unsigned long long | ||
runTest(2.5f, 3.14159); // Testing with float and double | ||
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std::cout << "\nPass\n"; // Output "Pass" at the end if all tests pass without aborting | ||
return 0; | ||
} |
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Testing with values: 10 (unsigned long long) and -5 (long long) | ||
Host std::min result: 10 (Type: unsigned long long) | ||
Host std::max result: 18446744073709551611 (Type: unsigned long long) | ||
Host HIP min result: 10 (Type: unsigned long long) | ||
Host HIP max result: 18446744073709551611 (Type: unsigned long long) | ||
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Testing with values: -15 (int) and 20 (unsigned int) | ||
Host std::min result: 20 (Type: unsigned int) | ||
Host std::max result: 4294967281 (Type: unsigned int) | ||
Host HIP min result: 20 (Type: unsigned int) | ||
Host HIP max result: 4294967281 (Type: unsigned int) | ||
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Testing with values: 2147483647 (int) and 2147483648 (unsigned int) | ||
Host std::min result: 2147483647 (Type: unsigned int) | ||
Host std::max result: 2147483648 (Type: unsigned int) | ||
Host HIP min result: 2147483647 (Type: unsigned int) | ||
Host HIP max result: 2147483648 (Type: unsigned int) | ||
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Testing with values: -922337203685477580 (long long) and 922337203685477580 (unsigned long long) | ||
Host std::min result: 922337203685477580 (Type: unsigned long long) | ||
Host std::max result: 17524406870024074036 (Type: unsigned long long) | ||
Host HIP min result: 922337203685477580 (Type: unsigned long long) | ||
Host HIP max result: 17524406870024074036 (Type: unsigned long long) | ||
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Testing with values: 2.5 (float) and 3.14159 (double) | ||
Host std::min result: 2.5 (Type: double) | ||
Host std::max result: 3.14159 (Type: double) | ||
Host HIP min result: 2.5 (Type: double) | ||
Host HIP max result: 3.14159 (Type: double) | ||
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Pass |