Re: [Valgrind-users] DHAT speed

[Paul F. <pj...@wa...>]

 > That doesn't sound right. I use DHAT extensively and expect a slowdown of> perhaps 50:1, maybe less. What you're describing is a slowdown factor of> at least several thousand.>> Bear in mind though that (1) V sequentialises thread execution, which wil> make a big difference if the program is heavily multithreaded, and (2)> I suspect dhat's scheme of looking up all memory accesses in an AVL tree> (of malloc'd blocks) doesn't scale all that well if you have tens of> millions of blocks.>> Can you run it on a smaller workload?  HiI'll try on something smaller and also get some info on the number of blocks of memory allocated.A+Paul