diff options
| author | van Hauser <vh@thc.org> | 2020-06-15 20:02:28 +0200 |
|---|---|---|
| committer | van Hauser <vh@thc.org> | 2020-06-15 20:02:28 +0200 |
| commit | ada59feda852a13207818f8202dabe517b721b35 (patch) | |
| tree | 5a2ad980bad59ba2ac1790bef660fa235c4f1f36 /src/afl-fuzz-queue.c | |
| parent | af8d4d49ede0e4b3baab98f9b17505646859832a (diff) | |
| download | afl++-ada59feda852a13207818f8202dabe517b721b35.tar.gz | |
improve performance for default power schedule
Diffstat (limited to 'src/afl-fuzz-queue.c')
| -rw-r--r-- | src/afl-fuzz-queue.c | 26 |
1 files changed, 19 insertions, 7 deletions
diff --git a/src/afl-fuzz-queue.c b/src/afl-fuzz-queue.c index ea7f57e2..0e8c8e47 100644 --- a/src/afl-fuzz-queue.c +++ b/src/afl-fuzz-queue.c @@ -194,9 +194,14 @@ void update_bitmap_score(afl_state_t *afl, struct queue_entry *q) { u32 i; u64 fav_factor; - u64 fuzz_p2 = next_pow2(q->n_fuzz); + u64 fuzz_p2; - if (afl->schedule == MMOPT || afl->schedule == RARE || + if (unlikely(afl->schedule >= FAST)) + fuzz_p2 = next_pow2(q->n_fuzz); + else + fuzz_p2 = q->fuzz_level; + + if (unlikely(afl->schedule == MMOPT || afl->schedule == RARE) || unlikely(afl->fixed_seed)) { fav_factor = q->len << 2; @@ -217,9 +222,13 @@ void update_bitmap_score(afl_state_t *afl, struct queue_entry *q) { /* Faster-executing or smaller test cases are favored. */ u64 top_rated_fav_factor; - u64 top_rated_fuzz_p2 = next_pow2(afl->top_rated[i]->n_fuzz); + u64 top_rated_fuzz_p2; + if (unlikely(afl->schedule >= FAST)) + top_rated_fuzz_p2 = next_pow2(afl->top_rated[i]->n_fuzz); + else + top_rated_fuzz_p2 = afl->top_rated[i]->fuzz_level; - if (afl->schedule == MMOPT || afl->schedule == RARE || + if (unlikely(afl->schedule == MMOPT || afl->schedule == RARE) || unlikely(afl->fixed_seed)) { top_rated_fav_factor = afl->top_rated[i]->len << 2; @@ -241,7 +250,7 @@ void update_bitmap_score(afl_state_t *afl, struct queue_entry *q) { } - if (afl->schedule == MMOPT || afl->schedule == RARE || + if (unlikely(afl->schedule == MMOPT || afl->schedule == RARE) || unlikely(afl->fixed_seed)) { if (fav_factor > afl->top_rated[i]->len << 2) { continue; } @@ -593,9 +602,12 @@ u32 calculate_score(afl_state_t *afl, struct queue_entry *q) { } - if (factor > MAX_FACTOR) { factor = MAX_FACTOR; } + if (unlikely(afl->schedule >= FAST)) { + + if (factor > MAX_FACTOR) { factor = MAX_FACTOR; } + perf_score *= factor / POWER_BETA; - perf_score *= factor / POWER_BETA; + } // MOpt mode if (afl->limit_time_sig != 0 && afl->max_depth - q->depth < 3) { |