HiPE compilation gives NINE times speed increase!

Peter-Henry Mander erlang@REDACTED
Mon Jan 17 12:52:01 CET 2005

Thanks Kostis, thanks Matthias,

Kostis, the effort certainly pays dividends, thanks. What is the
average speedup you expect to see?

Do you mean 2x speedup over a previous test run, Matthias? In which
case, my code stinks! I'll try to reproduce your result by avoiding


On Mon, 17 Jan 2005 12:15:48 +0100
Matthias Lang <matthias@REDACTED> wrote:

> Kostis Sagonas writes:
>  > The speedup you get in this program is indeed more than average but is
>  > not so surprising. We've put quite some effort in efficiently compiling
>  > binaries to native code, the compiler optimizations that HiPE performs
>  > are quite effective in such code, and we've experienced similar speedups
>  > in some programs manipulating binaries.  On the other hand try-catch has
>  > nothing to do with the speedup; it is entirely due to HiPE's compilation
>  > of binaries.
> Replacing the (hideous, IMO) try/catch stuff with some normal code
> nets me a 3.5x speedup for BEAM and a 2x speedup for HIPE. Peak memory
> use is also much less, under 100MB.
> Assuming I didn't make a mistake, that is.
> Matthias

"The Tao of Programming
 flows far away 
 and returns 
 on the wind of morning."

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