 			GpuTimer gpu_timer;
 
 			switch (strategy) {
-
+/*
 			case EXPAND_CONTRACT:
 				if (retval = csr_problem.Reset(expand_contract.GetFrontierType(), max_queue_sizing)) break;
 				gpu_timer.Start();

				gpu_timer.Stop();
				two_phase.GetStatistics(total_queued, search_depth, avg_duty);
				break;

			case HYBRID:
				if (retval = csr_problem.Reset(hybrid.GetFrontierType(), max_queue_sizing)) break;
				gpu_timer.Start();

				gpu_timer.Stop();
				multi_gpu.GetStatistics(total_queued, search_depth, avg_duty);
				break;
*/
			}

			if (retval && (retval != cudaErrorInvalidDeviceFunction)) {
