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C++ OpenCLContext::getProgram方法代码示例

本文整理汇总了C++中OpenCLContext::getProgram方法的典型用法代码示例。如果您正苦于以下问题:C++ OpenCLContext::getProgram方法的具体用法?C++ OpenCLContext::getProgram怎么用?C++ OpenCLContext::getProgram使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在OpenCLContext的用法示例。


在下文中一共展示了OpenCLContext::getProgram方法的3个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: memcpy

void OpenCLMomentumV9::find_collisions(uint8_t* message, collision_struct* collisions, size_t* collision_count) {

    // temp storage
    *collision_count = 0;
    uint32_t ht_size = 1<<HASH_BITS;
    SHA512_Context c512_avxsse;

    SHA512_Init(&c512_avxsse);
    uint8_t midhash[32+4];
    memcpy(midhash+4, message, 32);
    *((uint32_t*)midhash) = 0;
    SHA512_Update_Simple(&c512_avxsse, midhash, 32+4);
    SHA512_PreFinal(&c512_avxsse);

    *(uint32_t *)(&c512_avxsse.buffer.bytes[0]) = 0;
    uint64_t * swap_helper = (uint64_t*)(&c512_avxsse.buffer.bytes[0]);
    for (int i = 1; i < 5; i++) {
        swap_helper[i] = SWAP64(swap_helper[i]);
    }

    OpenCLContext *context = OpenCLMain::getInstance().getDevice(device_num)->getContext();
    OpenCLProgram *program = context->getProgram(0);

    OpenCLKernel *kernel = program->getKernel("kernel_sha512");
    OpenCLKernel *kernel_cleanup = program->getKernel("kernel_clean_hash_table");

    assert(kernel != NULL);

    //size_t BLOCKSIZE = main.getPlatform(0)->getDevice(0)->getMaxWorkGroupSize();
    size_t BLOCKSIZE = kernel->getWorkGroupSize(OpenCLMain::getInstance().getDevice(device_num));
    //has to be a power of 2
    BLOCKSIZE = 1<<log2(BLOCKSIZE);
    size_t BLOCKSIZE_CLEAN = kernel_cleanup->getWorkGroupSize(OpenCLMain::getInstance().getDevice(device_num));
    BLOCKSIZE_CLEAN = 1<<log2(BLOCKSIZE_CLEAN);

//	printf("BLOCKSIZE = %ld\n", BLOCKSIZE);
//	printf("BLOCKSIZE_CLEAN = %ld\n", BLOCKSIZE_CLEAN);

    // cleans up the hash table
    queue->enqueueKernel1D(kernel_cleanup, 1<<HASH_BITS, BLOCKSIZE_CLEAN);

    queue->enqueueWriteBuffer(cl_message, c512_avxsse.buffer.bytes, sizeof(uint8_t)*SHA512_BLOCK_SIZE);
    queue->enqueueWriteBuffer(temp_collisions_count, collision_count, sizeof(size_t));

    queue->enqueueKernel1D(kernel, MAX_MOMENTUM_NONCE/8, BLOCKSIZE);
    queue->enqueueReadBuffer(temp_collisions_count, collision_count, sizeof(size_t));
    queue->enqueueReadBuffer(temp_collisions, collisions, sizeof(collision_struct)*getCollisionCeiling());
    queue->finish();


}
开发者ID:jaladaja,项目名称:ptsminer,代码行数:51,代码来源:OpenCLMomentumV9.cpp

示例2: sizeof

void OpenCLMomentumV3::find_collisions(uint8_t* message, collision_struct* collisions, size_t* collision_count) {

	// temp storage
	*collision_count = 0;

	OpenCLContext *context = OpenCLMain::getInstance().getDevice(device_num)->getContext();
	OpenCLProgram *program = context->getProgram(0);

	OpenCLKernel *kernel = program->getKernel("kernel_sha512");
	OpenCLKernel *kernel_cleanup = program->getKernel("kernel_clean_hash_table");

	assert(kernel != NULL);

	//size_t BLOCKSIZE = main.getPlatform(0)->getDevice(0)->getMaxWorkGroupSize();
	size_t BLOCKSIZE = kernel->getWorkGroupSize(OpenCLMain::getInstance().getDevice(device_num));
	//has to be a power of 2
	BLOCKSIZE = 1<<log2(BLOCKSIZE);
	size_t BLOCKSIZE_CLEAN = kernel_cleanup->getWorkGroupSize(OpenCLMain::getInstance().getDevice(device_num));
	BLOCKSIZE_CLEAN = 1<<log2(BLOCKSIZE_CLEAN);

//	printf("BLOCKSIZE = %ld\n", BLOCKSIZE);
//	printf("BLOCKSIZE_CLEAN = %ld\n", BLOCKSIZE_CLEAN);

	// cleans up the hash table
	queue->enqueueKernel1D(kernel_cleanup, 1<<HASH_BITS, BLOCKSIZE_CLEAN);

	queue->enqueueWriteBuffer(cl_message, message, sizeof(uint8_t)*32);
	queue->enqueueWriteBuffer(temp_collisions_count, collision_count, sizeof(size_t));

	queue->enqueueKernel1D(kernel, MAX_MOMENTUM_NONCE/8, BLOCKSIZE);
	queue->enqueueReadBuffer(temp_collisions_count, collision_count, sizeof(size_t));
	queue->enqueueReadBuffer(temp_collisions, collisions, sizeof(collision_struct)*getCollisionCeiling());
	queue->finish();


}
开发者ID:CourtJesterG,项目名称:ptsminer,代码行数:36,代码来源:OpenCLMomentumV3.cpp

示例3: sizeof

void OpenCLMomentumV8::find_collisions(uint8_t* message, collision_struct* out_buff, size_t* out_count) {

	// temp storage
	*out_count = 0;
	uint32_t ht_size = 1<<HASH_BITS;
	SHA512_Context c512_avxsse;

	SHA512_Init(&c512_avxsse);
	uint8_t midhash[32+4];
	memcpy(midhash+4, message, 32);
	*((uint32_t*)midhash) = 0;
	SHA512_Update_Simple(&c512_avxsse, midhash, 32+4);
	SHA512_PreFinal(&c512_avxsse);

	*(uint32_t *)(&c512_avxsse.buffer.bytes[0]) = 0;
	uint64_t * swap_helper = (uint64_t*)(&c512_avxsse.buffer.bytes[0]);
	for (int i = 1; i < 5; i++) {
		swap_helper[i] = SWAP64(swap_helper[i]);
	}

	OpenCLContext *context = OpenCLMain::getInstance().getDevice(device_num)->getContext();
	OpenCLProgram *program = context->getProgram(0);

	OpenCLKernel *kernel_calculate_all_hashes = program->getKernel("calculate_all_hashes");
	OpenCLKernel *kernel_fill_table = program->getKernel("fill_table");
	OpenCLKernel *kernel_find_collisions = program->getKernel("find_collisions");
	OpenCLKernel *kernel_cleanup = program->getKernel("kernel_clean_hash_table");

	OpenCLDevice * device = OpenCLMain::getInstance().getDevice(device_num);

	// cleans up the hash table
	size_t kc_wgsize = kernel_cleanup->getWorkGroupSize(device);
	kc_wgsize = 1<<log2(kc_wgsize);
	queue->enqueueKernel1D(kernel_cleanup, 1<<HASH_BITS, kc_wgsize);

//	printf("Cleaning the HT\n");
//	queue->finish();

	queue->enqueueWriteBuffer(cl_message, c512_avxsse.buffer.bytes, sizeof(uint8_t)*SHA512_BLOCK_SIZE);
	// step 1, calculate hashes
	size_t kcah_wgsize = kernel_calculate_all_hashes->getWorkGroupSize(device);
	kcah_wgsize = 1<<log2(kcah_wgsize);
	queue->enqueueKernel1D(kernel_calculate_all_hashes, MAX_MOMENTUM_NONCE/8,
			kcah_wgsize);

//	uint64_t * apa = new uint64_t[MAX_MOMENTUM_NONCE];
//	queue->enqueueReadBuffer(hashes, apa, sizeof(uint64_t)*MAX_MOMENTUM_NONCE);
//	queue->finish();
//
//	printf("testing hashes\n");
//	uint64_t count = 0;
//	for (int i = 0; i < MAX_MOMENTUM_NONCE; i++) {
//		if (apa[i] == 0) {
//			count++;
//			printf("BAD HASH AT: %d %X\n", i, apa[i]);
//		}
//	}
//	printf("counted %X bad hashes\n", count);
//	printf("NOW REALLY TEST THEM hashes\n");
//	count = 0;
//	for (uint32_t i = 0; i < MAX_MOMENTUM_NONCE/8; i+=8) {
//		sph_sha512_context c512_sph; //SPH
//		sph_sha512_init(&c512_sph);
//		sph_sha512(&c512_sph, &i, 4);
//		sph_sha512(&c512_sph, message, 32);
//		uint64_t out[8];
//		sph_sha512_close(&c512_sph, out);
//		for (int j =0; j < 8; j++) {
//			if (apa[i+j] != out[j]) {
//				count++;
//				uint64_t xxx = apa[i+j];
//				printf("BAD HASH AT: %d => %X != %X\n", i, apa[i+j], out[j]);
//			}
//		}
//	}
//	printf("counted %X bad hashes\n", count);

	// step 2, populate hashtable
	size_t kft_wgsize = kernel_fill_table->getWorkGroupSize(device);
	kft_wgsize = 1<<log2(kft_wgsize);
	queue->enqueueKernel1D(kernel_fill_table, MAX_MOMENTUM_NONCE,
							kft_wgsize);

//	printf("step 2, populate hashtable\n");
//	queue->finish();

	queue->enqueueWriteBuffer(collisions_count, out_count, sizeof(size_t));
	// step 3, find collisions
	size_t kfc_wgsize = kernel_find_collisions->getWorkGroupSize(device);
	kfc_wgsize = 1<<log2(kfc_wgsize);
	queue->enqueueKernel1D(kernel_find_collisions, MAX_MOMENTUM_NONCE,
							kfc_wgsize);

//	printf("step 3, find collisions\n");
//	queue->finish();

	queue->enqueueReadBuffer(collisions_count, out_count, sizeof(size_t));
	queue->enqueueReadBuffer(collisions, out_buff, sizeof(collision_struct)*getCollisionCeiling());

//	printf("step 4, copy output\n");
//.........这里部分代码省略.........
开发者ID:CourtJesterG,项目名称:ptsminer,代码行数:101,代码来源:OpenCLMomentumV8.cpp


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