On Mon, Jul 26, 2010 at 7:57 AM, Leland Lucius lluc...@homerow.net wrote:
Is there anyway to do it? I've tried using MTREXX, but the threads run
after each other. I've tried multiple stages, but they also run after each
other.
IIRC the trackread and trackwrite stages use diagnose I/O under
Rob van der Heij wrote:
On Mon, Jul 26, 2010 at 7:57 AM, Leland Lucius lluc...@homerow.net wrote:
Is there anyway to do it? I've tried using MTREXX, but the threads run
after each other. I've tried multiple stages, but they also run after each
other.
IIRC the trackread and trackwrite stages
On Mon, Jul 26, 2010 at 9:23 AM, Leland Lucius lluc...@homerow.net wrote:
Yepper, I'm to the point of just doing the single threaded, but, even if the
trackwrite used a DIAG, then I'd expect threading would get a chance between
DIAG calls. I've tried adding a ThreadYield() in a REXX stage,
Rob van der Heij wrote:
On Mon, Jul 26, 2010 at 9:23 AM, Leland Lucius lluc...@homerow.net wrote:
Yepper, I'm to the point of just doing the single threaded, but, even if the
trackwrite used a DIAG, then I'd expect threading would get a chance between
DIAG calls. I've tried adding a
DDR also uses synchronous IO, so no overlapping possible. Threading will
not help to make DIAG I/O's multithreaded: CP suspends the virtual machine
during the DIAG I/O.
To be precise: there is a newer DIAG (250) to make asynchroneous I/O, but
that is not used by CMS. If you wonder why:
Is there anyway to do it? I've tried using MTREXX, but the threads run
after each other. I've tried multiple stages, but they also run after
each other.
(Be gentle...a pipe is something I used to smoke with I was a teenager. ;-))
Thanks,
Leland
