Re: S-parameter test sets

"Terry Given" <my_name@xxxxxxxx> wrote in message
news:6gmwe.11073$U4.1423465@xxxxxxxxxxxxxxxxxx
> At the
> time I was looking for a *cheap* hardware solution that did its own
> buffering and error checking, so as not to burden the poor old system
> processor, which was being beaten to death numerically.

Intel is very much a fan of trying to do all the processing on their CPU --
they'd rather have people build $10 "WinModems" (signal processing is done on
the CPU) than $10 "smart" modems!


.

Relevant Pages

  • Re: Fine-grained locking for POSIX local sockets (UNIX domain sockets)
    ... is running on the same CPU. ... you should just read the TSC. ... cheap, synchronized, and accurate TSC time on SMP systems. ... patch and this time with 6 tests for each setting and generated graphs: ...
    (freebsd-current)
  • Re: Fine-grained locking for POSIX local sockets (UNIX domain sockets)
    ... is running on the same CPU. ... you should just read the TSC. ... cheap, synchronized, and accurate TSC time on SMP systems. ... patch and this time with 6 tests for each setting and generated graphs: ...
    (freebsd-performance)
  • Re: Fine-grained locking for POSIX local sockets (UNIX domain sockets)
    ... For that matter, if libc would just remember an accurate synchronized timestamp and TSC pair on a per CPU basis, it should be trivial to get cheap, synchronized, and accurate TSC time on SMP systems. ... Let me formalize this a bit, you have a noisy, but cheap time source: the TSC always available provided you compute your deltas a per cpu basis. ...
    (freebsd-current)
  • Re: Fine-grained locking for POSIX local sockets (UNIX domain sockets)
    ... For that matter, if libc would just remember an accurate synchronized timestamp and TSC pair on a per CPU basis, it should be trivial to get cheap, synchronized, and accurate TSC time on SMP systems. ... Let me formalize this a bit, you have a noisy, but cheap time source: the TSC always available provided you compute your deltas a per cpu basis. ...
    (freebsd-performance)
  • Re: S-parameter test sets
    ... >> buffering and error checking, so as not to burden the poor old system ... >the CPU) than $10 "smart" modems! ... runs circles around a P4. ...
    (sci.electronics.design)