| To: | Dave Chinner <david@xxxxxxxxxxxxx>, Jason Newton <nevion@xxxxxxxxx> |
|---|---|
| Subject: | Re: followup on benchmarks of an xfs embedded system (without rt section) |
| From: | Stewart Smith <stewart@xxxxxxxxxxxxxxxx> |
| Date: | Tue, 31 Jul 2012 11:06:00 +1000 |
| Cc: | xfs@xxxxxxxxxxx |
| In-reply-to: | <20120730221105.GK2877@dastard> |
| References: | <CAGou9Mhz-ez5nnzVAoRbp-E93NqBjT-wgGyHvrLkC7jEzJBagw@xxxxxxxxxxxxxx> <20120730221105.GK2877@dastard> |
| User-agent: | Notmuch/0.13.2+60~g7ecf77d (http://notmuchmail.org) Emacs/23.3.1 (x86_64-pc-linux-gnu) |
Dave Chinner <david@xxxxxxxxxxxxx> writes: > On Fri, Jul 27, 2012 at 03:35:40AM -0700, Jason Newton wrote: >> I've attached my benchmark program but I use alot of boost c++ with a >> little internal set of libraries... so you can see what I"m doing but it >> likely won't compile for you. I'll also mention that boost is a very low >> overhead (if any) over all the normal system calls one would use (verified >> by reading sourcecode in use). > > I'd suggest rewriting it so we can compile and run it. If I can > reproduce the problem, I can at least understand where the latency > is coming from. The boost::chrono usage is the weirdest one that'll likely cause issues. Should be replaced with boost::posix_time instead (it's been around a lot longer)... otherwise it's just having to install all the boost headers I think (boost is basically 99.9% implemented in header files and templates) -- Stewart Smith
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