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Diffstat (limited to 'docs/parallel_fuzzing.md')
| -rw-r--r-- | docs/parallel_fuzzing.md | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/docs/parallel_fuzzing.md b/docs/parallel_fuzzing.md index 8b39df04..12aefb46 100644 --- a/docs/parallel_fuzzing.md +++ b/docs/parallel_fuzzing.md @@ -57,12 +57,14 @@ Each fuzzer will keep its state in a separate subdirectory, like so: Each instance will also periodically rescan the top-level sync directory for any test cases found by other fuzzers - and will incorporate them into its own fuzzing when they are deemed interesting enough. +For performance reasons only -M masters sync the queue with everyone, the +-S slaves will only sync from the master. The difference between the -M and -S modes is that the master instance will still perform deterministic checks; while the secondary instances will -proceed straight to random tweaks. If you don't want to do deterministic -fuzzing at all, it's OK to run all instances with -S. With very slow or complex -targets, or when running heavily parallelized jobs, this is usually a good plan. +proceed straight to random tweaks. + +Note that you must always have one -M master instance! Note that running multiple -M instances is wasteful, although there is an experimental support for parallelizing the deterministic checks. To leverage |