diff options
| -rw-r--r-- | erts/emulator/beam/erl_gc.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/erts/emulator/beam/erl_gc.c b/erts/emulator/beam/erl_gc.c index 6075a527c3..cf06cedf7f 100644 --- a/erts/emulator/beam/erl_gc.c +++ b/erts/emulator/beam/erl_gc.c @@ -168,15 +168,21 @@ erts_init_gc(void) * we really don't want that growth when the heaps are that big. */ - heap_sizes[0] = 34; - heap_sizes[1] = 55; - for (i = 2; i < 23; i++) { - heap_sizes[i] = heap_sizes[i-1] + heap_sizes[i-2]; + /* Growth stage 1 - Fibonacci + 1*/ + /* 12,38 will hit size 233, the old default */ + + heap_sizes[0] = 12; + heap_sizes[1] = 38; + + for(i = 2; i < 23; i++) { + /* one extra word for block header */ + heap_sizes[i] = heap_sizes[i-1] + heap_sizes[i-2] + 1; } + /* Growth stage 2 - 20% growth */ /* At 1.3 mega words heap, we start to slow down. */ for (i = 23; i < ALENGTH(heap_sizes); i++) { - heap_sizes[i] = 5*(heap_sizes[i-1]/4); + heap_sizes[i] = heap_sizes[i-1] + heap_sizes[i-1]/5; if (heap_sizes[i] < 0) { /* Size turned negative. Discard this last size. */ i--; |