int bottleneck = topConfig.get(COLLAPSE_ANY);
int savings = topConfig.get(COLLAPSE_ANY); if (DEBUG) { System.err.println("Expected savings from linear transforms (ops / steady state): " + savings); }
    private StreamTransform calcPartitions() {	// build stream config	LDPConfig topConfig = buildStreamConfig();	// set execution counts here, because we want to account for	// identities that we added to the stream	this.counts = SIRScheduler.getExecutionCounts(str);	// build up tables.	int bottleneck = topConfig.get(COLLAPSE_ANY);	StreamTransform result = topConfig.traceback(COLLAPSE_ANY);	return result;    }