SIZE sbrk malloc RATIO 8 2964 2325 27.5% 12 2448 1993 22.8% 16 2085 1743 19.6% 20 1816 1550 17.2% 24 1609 1395 15.3% 28 1444 1268 13.8% 32 1309 1162 12.7% 128 405 387 4.6% 255 211 205 2.9%