main.cpp

//
// Copyright (c) 2021-2022 Advanced Micro Devices, Inc. All rights reserved.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//

#include <Orochi/Orochi.h>
#include <Test/Common.h>


int main(int argc, char** argv )
{
	oroApi api = getApiType( argc, argv );

	int a = oroInitialize( api, 0 );
	if( a != 0 )
	{
		printf("initialization failed\n");
		return 0;
	}
	printf( ">> executing on %s\n", ( api == ORO_API_HIP )? "hip":"cuda" );

	printf(">> testing initialization\n");
	oroError e;
	e = oroInit( 0 );
	oroDevice device;
	e = oroDeviceGet( &device, 0 );
	oroCtx ctx;
	e = oroCtxCreate( &ctx, 0, device );

	printf(">> testing device props\n");
	{
		oroDeviceProp props;
		oroGetDeviceProperties( &props, device );
		printf("executing on %s (%s)\n", props.name, props.gcnArchName );
		int v;
		oroDriverGetVersion( &v );
		printf("running on driver: %d\n", v);
	}
	printf(">> testing kernel execution\n");
	{
		oroFunction function;
		{
			const char* code = "extern \"C\" __global__ void testKernel( int* __restrict__ a )"
			"{"
				"int tid = threadIdx.x;"
				"atomicAdd( a, tid );"
			"}";
			const char* funcName = "testKernel";
			orortcProgram prog;
			orortcResult e;
			e = orortcCreateProgram( &prog, code, funcName, 0, 0, 0 );
			std::vector<const char*> opts; 
			opts.push_back( "-I ../" );

			e = orortcCompileProgram( prog, opts.size(), opts.data() );
			if( e != ORORTC_SUCCESS )
			{
				size_t logSize;
				orortcGetProgramLogSize(prog, &logSize);
				if (logSize) 
				{
					std::string log(logSize, '\0');
					orortcGetProgramLog(prog, &log[0]);
					std::cout << log << '\n';
				};
			}
			size_t codeSize;
			e = orortcGetCodeSize(prog, &codeSize);

			std::vector<char> codec(codeSize);
			e = orortcGetCode(prog, codec.data());
			e = orortcDestroyProgram(&prog);
			oroModule module;
			oroError ee = oroModuleLoadData(&module, codec.data());
			ee = oroModuleGetFunction(&function, module, funcName);		
		}

		oroStream stream;
		oroStreamCreate( &stream );
		
		oroEvent start, stop;
		oroEventCreateWithFlags( &start, 0 );
		oroEventCreateWithFlags( &stop, 0 );
		oroEventRecord( start, stream );

		int a_host = -1;
		int* a_device = nullptr;
		oroMalloc( (oroDeviceptr*)&a_device, sizeof( int ) );
		oroMemset( (oroDeviceptr)a_device, 0, sizeof( int ) );
		const void* args[] = { &a_device };
		oroError e = oroModuleLaunchKernel( function, 1,1,1, 64,1,1, 0, stream, (void**)args, 0 );

		oroEventRecord( stop, stream );

		oroDeviceSynchronize();

		oroStreamDestroy( stream );
		oroMemcpyDtoH( &a_host, (oroDeviceptr)a_device, sizeof( int ) );
		printf("a_host (expected 2016): %d\n", a_host);
		oroFree( (oroDeviceptr)a_device );

		float milliseconds = 0.0f;
		oroEventElapsedTime( &milliseconds, start, stop );
		printf( ">> kernel - %.5f ms\n", milliseconds );
		oroEventDestroy( start );
		oroEventDestroy( stop );
	}
	printf(">> done\n");
	return 0;
}