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Subject: Re: [boost] [Endian] Performance
From: Stewart, Robert (Robert.Stewart_at_[hidden])
Date: 2011-09-08 10:55:40

Mathias Gaunard wrote:
> On 07/09/2011 21:03, Phil Endecott wrote:
> > So as expected the amount of CPU time used scales
> > approximately as before, but the elapsed time doesn't
> > change as it's limited by the SATA interface or SSD
> > to around 50 MB/sec.
> The conclusion seems to be "doesn't matter for bandwidth, but
> does for latency".

The conclusion is that the I/O overhead swamped the test results.

> I take it that high-speed trading stuff needs the lowest
> latency possible?

Yes, on the critical path, as I noted previously.

Rob Stewart robert.stewart_at_[hidden]
Software Engineer using std::disclaimer;
Dev Tools & Components
Susquehanna International Group, LLP


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