static void nano_generate_work(const unsigned char *blockhash, unsigned char *workOut, uint64_t workMin) {
	unsigned char work[NANO_WORK_VALUE_LENGTH];
	unsigned int offset;
	int work_valid;

	memcpy(work, blockhash, sizeof(work));

#pragma omp target map(tofrom:work)
	while (1) {
		work_valid = nano_validate_work(blockhash, work, workMin);
		if (work_valid) {
			break;
		}

		offset = 0;