diff options
| -rw-r--r-- | src/ioq.c | 7 |
1 files changed, 3 insertions, 4 deletions
@@ -279,12 +279,11 @@ _noinline static uintptr_t ioq_slot_wait(struct ioqq *ioqq, ioq_slot *slot, uintptr_t value) { uintptr_t ret; - // Try spinning a few times before blocking + // Try spinning a few times (with exponential backoff) before blocking _nounroll - for (int i = 0; i < 10; ++i) { - // Exponential backoff + for (int i = 1; i < 1024; i *= 2) { _nounroll - for (int j = 0; j < (1 << i); ++j) { + for (int j = 0; j < i; ++j) { spin_loop(); } |