How do I skip X million cycles to “warm up” the simulator and skip over initialization code in a benchmark?
In PTLsim, this is neither necessary nor desirable. Because PTLsim directly executes your program on the host CPU until it switches to cycle accurate simulation mode, there is no way to count instructions in this manner. Many researchers have gotten in the habit of blindly skipping a large number of instructions in benchmarks to avoid profiling initialization code. However, this is not a very intelligent policy: different benchmarks have different startup times until the top of the main loop is reached, and it is generally evident from the benchmark source code where that point should be.
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