Gabriel H. Loh Dana S. Henry Arvind Krishnamurthy Exploiting Bias in the Hysteresis Bit of 2-bit Saturating Counters in Branch Predictors. 2003 5 J. Instruction-Level Parallelism http://www.jilp.org/vol5/v5paper8.pdf db/journals/jilp/jilp5.html#LohHK03