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[SYCL] Unload libraries in jit_compiler and kernel_compiler_opencl destructors #16517

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Merged
merged 5 commits into from
Jan 9, 2025
Merged

[SYCL] Unload libraries in jit_compiler and kernel_compiler_opencl destructors #16517

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34b8c73
unload library in jit_compiler
KseniyaTikhomirova Jan 3, 2025
ce8cf49
fix library unloading in kernel_compiler_opencl
KseniyaTikhomirova Jan 3, 2025
16e9af9
fix bug
KseniyaTikhomirova Jan 3, 2025
c86ef55
fix code-review comments
KseniyaTikhomirova Jan 7, 2025
b326642
fix code review comments 2
KseniyaTikhomirova Jan 8, 2025
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29 changes: 20 additions & 9 deletions sycl/source/detail/jit_compiler.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -23,29 +23,38 @@ namespace sycl {
inline namespace _V1 {
namespace detail {

std::function<void(void *)> jit_compiler::CustomDeleterForLibHandle =
[](void *StoredPtr) {
if (!StoredPtr)
return;
std::ignore = sycl::detail::ur::unloadOsLibrary(StoredPtr);
};

static inline void printPerformanceWarning(const std::string &Message) {
if (detail::SYCLConfig<detail::SYCL_RT_WARNING_LEVEL>::get() > 0) {
std::cerr << "WARNING: " << Message << "\n";
}
}

jit_compiler::jit_compiler() {
jit_compiler::jit_compiler()
: LibraryHandle(nullptr, CustomDeleterForLibHandle) {
auto checkJITLibrary = [this]() -> bool {
#ifdef _WIN32
static const std::string dir = sycl::detail::OSUtil::getCurrentDSODir();
static const std::string JITLibraryName = dir + "\\" + "sycl-jit.dll";
#else
static const std::string JITLibraryName = "libsycl-jit.so";
#endif

void *LibraryPtr = sycl::detail::ur::loadOsLibrary(JITLibraryName);
std::unique_ptr<void, decltype(CustomDeleterForLibHandle)> LibraryPtr(
sycl::detail::ur::loadOsLibrary(JITLibraryName),
CustomDeleterForLibHandle);
if (LibraryPtr == nullptr) {
printPerformanceWarning("Could not find JIT library " + JITLibraryName);
return false;
}

this->AddToConfigHandle = reinterpret_cast<AddToConfigFuncT>(
sycl::detail::ur::getOsLibraryFuncAddress(LibraryPtr,
sycl::detail::ur::getOsLibraryFuncAddress(LibraryPtr.get(),
"addToJITConfiguration"));
if (!this->AddToConfigHandle) {
printPerformanceWarning(
Expand All @@ -54,7 +63,7 @@ jit_compiler::jit_compiler() {
}

this->ResetConfigHandle = reinterpret_cast<ResetConfigFuncT>(
sycl::detail::ur::getOsLibraryFuncAddress(LibraryPtr,
sycl::detail::ur::getOsLibraryFuncAddress(LibraryPtr.get(),
"resetJITConfiguration"));
if (!this->ResetConfigHandle) {
printPerformanceWarning(
Expand All @@ -63,7 +72,8 @@ jit_compiler::jit_compiler() {
}

this->FuseKernelsHandle = reinterpret_cast<FuseKernelsFuncT>(
sycl::detail::ur::getOsLibraryFuncAddress(LibraryPtr, "fuseKernels"));
sycl::detail::ur::getOsLibraryFuncAddress(LibraryPtr.get(),
"fuseKernels"));
if (!this->FuseKernelsHandle) {
printPerformanceWarning(
"Cannot resolve JIT library function entry point");
Expand All @@ -73,21 +83,22 @@ jit_compiler::jit_compiler() {
this->MaterializeSpecConstHandle =
reinterpret_cast<MaterializeSpecConstFuncT>(
sycl::detail::ur::getOsLibraryFuncAddress(
LibraryPtr, "materializeSpecConstants"));
LibraryPtr.get(), "materializeSpecConstants"));
if (!this->MaterializeSpecConstHandle) {
printPerformanceWarning(
"Cannot resolve JIT library function entry point");
return false;
}

this->CompileSYCLHandle = reinterpret_cast<CompileSYCLFuncT>(
sycl::detail::ur::getOsLibraryFuncAddress(LibraryPtr, "compileSYCL"));
sycl::detail::ur::getOsLibraryFuncAddress(LibraryPtr.get(),
"compileSYCL"));
if (!this->CompileSYCLHandle) {
printPerformanceWarning(
"Cannot resolve JIT library function entry point");
return false;
}

LibraryHandle = std::move(LibraryPtr);
return true;
};
Available = checkJITLibrary();
Expand Down
5 changes: 4 additions & 1 deletion sycl/source/detail/jit_compiler.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,7 @@
#include <KernelFusion.h>
#endif // SYCL_EXT_JIT_ENABLE

#include <functional>
#include <unordered_map>

namespace jit_compiler {
Expand Down Expand Up @@ -80,7 +81,7 @@ class jit_compiler {
const ::jit_compiler::SYCLKernelAttribute &Attr) const;

// Indicate availability of the JIT compiler
bool Available;
bool Available = false;

// Manages the lifetime of the UR structs for device binaries.
std::vector<DeviceBinariesCollection> JITDeviceBinaries;
Expand All @@ -98,6 +99,8 @@ class jit_compiler {
CompileSYCLFuncT CompileSYCLHandle = nullptr;
ResetConfigFuncT ResetConfigHandle = nullptr;
AddToConfigFuncT AddToConfigHandle = nullptr;
static std::function<void(void *)> CustomDeleterForLibHandle;
std::unique_ptr<void, decltype(CustomDeleterForLibHandle)> LibraryHandle;
#endif // SYCL_EXT_JIT_ENABLE
};

Expand Down
26 changes: 15 additions & 11 deletions sycl/source/detail/kernel_compiler/kernel_compiler_opencl.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -14,8 +14,9 @@
#include "../online_compiler/ocloc_api.h"
#include "../split_string.hpp"

#include <cstring> // strlen
#include <numeric> // for std::accumulate
#include <cstring> // strlen
#include <functional> // for std::function
#include <numeric> // for std::accumulate
#include <regex>
#include <sstream>

Expand Down Expand Up @@ -56,16 +57,21 @@ void checkOclocLibrary(void *OclocLibrary) {
}
}

static void *OclocLibrary = nullptr;
static std::unique_ptr<void, std::function<void(void *)>>
OclocLibrary(nullptr, [](void *StoredPtr) {
if (!StoredPtr)
return;
std::ignore = sycl::detail::ur::unloadOsLibrary(StoredPtr);
});

// load the ocloc shared library, check it.
void *loadOclocLibrary() {
void loadOclocLibrary() {
#ifdef __SYCL_RT_OS_WINDOWS
static const std::string OclocLibraryName = "ocloc64.dll";
#else
static const std::string OclocLibraryName = "libocloc.so";
#endif
void *tempPtr = OclocLibrary;
void *tempPtr = OclocLibrary.get();
if (tempPtr == nullptr) {
tempPtr = sycl::detail::ur::loadOsLibrary(OclocLibraryName);

Expand All @@ -75,10 +81,8 @@ void *loadOclocLibrary() {

checkOclocLibrary(tempPtr);

OclocLibrary = tempPtr;
OclocLibrary.reset(tempPtr);
}

return OclocLibrary;
}

bool OpenCLC_Compilation_Available() {
Expand All @@ -103,13 +107,13 @@ void SetupLibrary(voidPtr &oclocInvokeHandle, voidPtr &oclocFreeOutputHandle,
if (OclocLibrary == nullptr)
loadOclocLibrary();

oclocInvokeHandle =
sycl::detail::ur::getOsLibraryFuncAddress(OclocLibrary, "oclocInvoke");
oclocInvokeHandle = sycl::detail::ur::getOsLibraryFuncAddress(
OclocLibrary.get(), "oclocInvoke");
if (!oclocInvokeHandle)
throw sycl::exception(the_errc, "Cannot load oclocInvoke() function");

oclocFreeOutputHandle = sycl::detail::ur::getOsLibraryFuncAddress(
OclocLibrary, "oclocFreeOutput");
OclocLibrary.get(), "oclocFreeOutput");
if (!oclocFreeOutputHandle)
throw sycl::exception(the_errc, "Cannot load oclocFreeOutput() function");
}
Expand Down
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