On Sat, Aug 03, 2024 at 06:46:44PM -0400, Olivier Langlois wrote: > On Fri, 2024-08-02 at 16:57 -0700, Paul E. McKenney wrote:
[ . . . ] > > These things go on a syscall-by-syscall basis, and much depends on > > your deadlines. For example, if you had one-millisecond deadlines, > > those 27-microsecond interrupts might not be a concern. ;-) > > this is for a small crypto arbitrage trading client project of mine, > the trader that react the fastest wins... 27usec is a big deal. It is > the difference between winning or losing a trade Given arbitrarily short deadlines, you will need to be extremely careful what system calls you use. > https://x.com/lano1106/status/1771345949320737183 Huh. I thought that high-frequency trading moved to special-purpose hardware some years ago. But maybe crypto arbitrage is not yet large enough to justify a big up-front investment in special-purpose hardware? Thanx, Paul
