/**
* If VEXCL_CACHE_KERNELS macro is defined, then program binaries are cached
* in filesystem and reused in the following runs.
*/
inline cl::Program build_sources(
const cl::CommandQueue &queue, const std::string &source,
const std::string &options = ""
)
{
#ifdef VEXCL_SHOW_KERNELS
std::cout << source << std::endl;
#else
if (getenv("VEXCL_SHOW_KERNELS"))
std::cout << source << std::endl;
#endif
auto context = queue.getInfo<CL_QUEUE_CONTEXT>();
auto device = context.getInfo<CL_CONTEXT_DEVICES>();
std::string compile_options = options + " " + get_compile_options(queue);
#ifdef VEXCL_CACHE_KERNELS
// Get unique (hopefully) hash string for the kernel.
std::ostringstream compiler_tag;
compiler_tag
#if defined(_MSC_VER)
<< "MSC " << _MSC_VER
#elif defined(__clang__)
<< "Clang " << __clang_major__ << "." << __clang_minor__
#elif defined(__GNUC__)
<< "g++ " << __GNUC__ << "." << __GNUC_MINOR__
#else
<< "unknown"
#endif
;
sha1_hasher sha1;
sha1.process(source)
.process(cl::Platform(device[0].getInfo<CL_DEVICE_PLATFORM>()).getInfo<CL_PLATFORM_NAME>())
.process(device[0].getInfo<CL_DEVICE_NAME>())
.process(compile_options)
.process(compiler_tag.str())
;
std::string hash = static_cast<std::string>(sha1);
// Try to get cached program binaries:
try {
if (boost::optional<cl::Program> program = load_program_binaries(hash, context, device, compile_options))
return *program;
} catch (...) {
// Shit happens.
std::cerr << "Failed to load precompiled binaries" << std::endl;
}
#endif
// If cache is not available, just compile the sources.
cl::Program program(context, source);
try {
program.build(device, (options + " " + get_compile_options(queue)).c_str());
} catch(const cl::Error&) {
std::cerr << source
<< std::endl
<< program.getBuildInfo<CL_PROGRAM_BUILD_LOG>(device[0])
<< std::endl;
vex::detail::print_backtrace();
throw;
}
#ifdef VEXCL_CACHE_KERNELS
// Save program binaries for future reuse:
save_program_binaries(hash, program);
#endif
return program;
}
/**
* If VEXCL_CACHE_KERNELS macro is defined, then program binaries are cached
* in filesystem and reused in the following runs.
*/
inline cl::Program build_sources(
const cl::CommandQueue &queue, const std::string &source,
const std::string &options = ""
)
{
#ifdef VEXCL_SHOW_KERNELS
std::cout << source << std::endl;
#else
# ifdef _MSC_VER
# pragma warning(push)
# pragma warning(disable: 4996)
# endif
if (getenv("VEXCL_SHOW_KERNELS"))
std::cout << source << std::endl;
# ifdef _MSC_VER
# pragma warning(pop)
# endif
#endif
auto context = queue.getInfo<CL_QUEUE_CONTEXT>();
auto device = context.getInfo<CL_CONTEXT_DEVICES>();
std::string compile_options = options + " " + get_compile_options(queue);
#ifdef VEXCL_CACHE_KERNELS
// Get unique (hopefully) hash string for the kernel.
std::ostringstream fullsrc;
fullsrc
<< "// Platform: " << cl::Platform(device[0].getInfo<CL_DEVICE_PLATFORM>()).getInfo<CL_PLATFORM_NAME>()
<< "\n// Device: " << device[0].getInfo<CL_DEVICE_NAME>()
<< "\n// Compiler: "
#if defined(_MSC_VER)
<< "MSC " << _MSC_VER
#elif defined(__clang__)
<< "Clang " << __clang_major__ << "." << __clang_minor__
#elif defined(__GNUC__)
<< "g++ " << __GNUC__ << "." << __GNUC_MINOR__
#else
<< "unknown"
#endif
<< "\n// options: " << compile_options
<< "\n" << source;
std::string hash = sha1( fullsrc.str() );
// Try to get cached program binaries:
try {
if (boost::optional<cl::Program> program = load_program_binaries(hash, context, device))
return *program;
} catch (...) {
// Shit happens.
}
#endif
// If cache is not available, just compile the sources.
cl::Program program(context, cl::Program::Sources(
1, std::make_pair(source.c_str(), source.size())
));
try {
program.build(device, (options + " " + get_compile_options(queue)).c_str());
} catch(const cl::Error&) {
std::cerr << source
<< std::endl
<< program.getBuildInfo<CL_PROGRAM_BUILD_LOG>(device[0])
<< std::endl;
throw;
}
#ifdef VEXCL_CACHE_KERNELS
// Save program binaries for future reuse:
save_program_binaries(hash, program, fullsrc.str());
#endif
return program;
}