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improve performance for default power schedule

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This commit is contained in:
van Hauser
2020-06-15 20:02:28 +02:00
parent af8d4d49ed
commit ada59feda8
5 changed files with 52 additions and 29 deletions
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26
src/afl-fuzz-queue.c
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@ -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)) {
perf_score *= factor / POWER_BETA;
if (factor > MAX_FACTOR) { factor = MAX_FACTOR; }
perf_score *= factor / POWER_BETA;
}
// MOpt mode
if (afl->limit_time_sig != 0 && afl->max_depth - q->depth < 3) {