Eric Dumazet wrote: > The problem is you wont see the overhead of insert/delete the inode in a > global tree, since you keep hot caches. > > To have a better estimate of the overhead, I suggest you try to use more > active pipes like : > Eric, thanks for the new program. With that, the situation looks slightly worse: hashing patch (pipebench): sys 1m15.329s sys 1m16.249s sys 1m17.169s unpatched (pipebench): sys 1m9.836s sys 1m12.541s sys 1m14.153s Which works out to 1.05642174294555027017. So ~5-6%. -- Jeff - To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
