Samuel Panzer 3924ee7b8a Fixups following addition of KeepRunningBatch (296ec5693) (#526) ... * Support State::KeepRunningBatch(). State::KeepRunning() can take large amounts of time relative to quick operations (on the order of 1ns, depending on hardware). For such sensitive operations, it is recommended to run batches of repeated operations. This commit simplifies handling of total_iterations_. Rather than predecrementing such that total_iterations_ == 1 signals that KeepRunning() should exit, total_iterations_ == 0 now signals the intention for the benchmark to exit. * Create better fast path in State::KeepRunningBatch() * Replace int parameter with size_t to fix signed mismatch warnings * Ensure benchmark State has been started even on error. * Simplify KeepRunningBatch() * Implement KeepRunning() in terms of KeepRunningBatch(). * Improve codegen by helping the compiler undestand dead code. * Dummy commit for build bots' benefit.		2018-02-13 13:54:46 -07:00
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benchmark	Fixups following addition of KeepRunningBatch (296ec5693) (#526)	2018-02-13 13:54:46 -07:00