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by fhenneke 1950 days ago
Thanks for the link, I wasn't aware of this new feature!

Our coverage instrumentation does not rely on JNI calls, only the libFuzzer callbacks do, so the overhead shouldn't be too substantial. It's certainly not a proper benchmark, but one core on my laptop can fuzz the more non-trivial examples at around 10,000 exec/s. We are also working on some further performance improvements.