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SUSE Linux goes 'real time' (Linux-Watch)SUSE Linux goes 'real time' (Linux-Watch)Posted Oct 26, 2006 23:46 UTC (Thu) by clugstj (subscriber, #4020)Parent article: SUSE Linux goes 'real time' (Linux-Watch)
Stock trading requires 30 microsecond interrupt response times? WTF?
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realtime financial applications Posted Oct 27, 2006 1:48 UTC (Fri) by xoddam (subscriber, #2322) [Link] It's not the interrupt response in isolation which is useful in thiscase, but the guaranteed maximum latency. If they can double throughput with it, it's pretty cool.
realtime financial applications Posted Oct 27, 2006 2:01 UTC (Fri) by arjan (subscriber, #36785) [Link] very often predictable (low) latency is conflicting with high throughput; it's one or the other...
SUSE Linux goes 'real time' (Linux-Watch) Posted Oct 27, 2006 8:20 UTC (Fri) by dmarkh (subscriber, #40670) [Link] I've looked at this and the only way to get that 30usec interrupt latency is to write a program using their API via their library using hooks into their kernel. Any already written application such as what they are using in the market will have no benefit at all from this. This is nothing more than a marketing ploy. I haven't actually tried to write that program yet either so I don't even know if the 30 usec is actually true or a marketing ploy also.
SUSE Linux goes 'real time' (Linux-Watch) Posted Oct 27, 2006 8:46 UTC (Fri) by alejluther (subscriber, #5404) [Link] I'm not sure this is just marketing, but it's interesting to note this "real time" NEEDS SMP machines to work. I have read the news in several webs and this point is not mentioned clearly, so we could say it has some smell of marketing.
Probably YES Posted Oct 27, 2006 13:01 UTC (Fri) by HenrikH (guest, #31152) [Link] In the market of automated generated orders there is a constant latency war between the vendors, if firm X can insert their order before firm Y then X will benefit.
And these orders are generated by analyzing the market with automatic software.
Probably YES Posted Oct 28, 2006 1:37 UTC (Sat) by intgr (subscriber, #39733) [Link] And if I'm not horribly mistaken, these orders are submitted by humans?
NO Posted Oct 28, 2006 15:48 UTC (Sat) by HenrikH (guest, #31152) [Link] No they are submitted electronically by the software itself, on most electronic exchanges such as Nasdaq it is mostly one company's computers that trade with another companies computers!
Probably YES Posted Oct 30, 2006 9:17 UTC (Mon) by job (guest, #670) [Link] I would expect the network to contribute to a lot more latency than operating system.
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