Adding Time Hooks for measuring semantics performance #1131
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theo25
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this looks good but given that I have contributed to this code, don't merge until @dwightguth approves as well.
dwightguth
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Follow up of runtimeverification/llvm-backend#1131 This Hook is commonly used to measure VM time in Semantics executions. The execution of a semantics with `timerStart` and `timerStop` produces a `hook_time.txt` file with the difference of two timestamps in nanoseconds. --------- Co-authored-by: Theodoros Kasampalis <[email protected]>
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This PR introduces
hook_timer_startandhook_timer_stop, which can be used to measure the execution time of an instruction or an entire semantics by getting the current timestamp when starting the timer and then when stopping it, we get the current timestamp again, and save the difference into a default filehooks_time.txtin the current directory.