the article seems a bit fuzzy on what they are really calling out as responsible, but the hint seems to be that even with super fast allocation and garbage coll

the article seems a bit fuzzy on what they are really calling out as responsible, but the hint seems to be that even with super fast allocation and garbage collection you still trash your L1/L2/L3 caches which leads to lower performance over artificially re-using the same object pinned in memory.