alloc size	MemoryContextLink (tps)	master (tps)	compare
8	1.16201	1.24689	93.19%
16	2.43831	2.45643	99.26%
32	4.72368	4.87890	96.82%
64	8.90167	9.01659	98.73%
128	17.64886	16.97465	103.97%
256	31.71387	33.66108	94.22%
512	64.51953	65.44095	98.59%
1024	119.99962	123.36183	97.27%
2048	248.73356	214.43335	116.00%