On 11/24/07, Barry Smith bsmith at mcs.anl.gov wrote:
To minor question about this message:
* What means 'to rapid calls'? Is it a typo? Should be 'too rapid
calls' ?
Yup
* Perhaps a newline could be added after the warn mesage?
Yup
Then I'll fix the formating.
I hate this message
Lisandro,
Unfortunately, I see the same negative timings problem on the Cray XT3/4
systems when I configure PETSc to use MPI_Wtime() for all its timings. So
that doesn't necessarily fix anything...
--Richard
Lisandro Dalcin wrote:
Perhaps PETSc should use MPI_Wtime as default timer. If a
On 11/26/07, Richard Tran Mills rmills at ornl.gov wrote:
Lisandro,
Unfortunately, I see the same negative timings problem on the Cray XT3/4
systems when I configure PETSc to use MPI_Wtime() for all its timings. So
that doesn't necessarily fix anything...
Could you please try the small
I even get consistent time deltas using 'gettimeofday' on my box!!
Perhaps PETSc has some bug somewere?? What do you think??
On 11/26/07, Richard Tran Mills rmills at ornl.gov wrote:
Lisandro,
Unfortunately, I see the same negative timings problem on the Cray XT3/4
systems when I configure
I've looked long and hard for a PETSc bug that would cause this
problem.
No luck. It seems to happen mostly (only?) on certain machines.
Barry
On Nov 26, 2007, at 11:03 AM, Lisandro Dalcin wrote:
I even get consistent time deltas using 'gettimeofday' on my box!!
Perhaps PETSc has
On 11/26/07, Barry Smith bsmith at mcs.anl.gov wrote:
I've looked long and hard for a PETSc bug that would cause this
problem.
No luck. It seems to happen mostly (only?) on certain machines.
Ups! I've found a possilbe source of the problem, at least for my
case! Those negative times I got
On Nov 26, 2007 4:19 PM, Lisandro Dalcin dalcinl at gmail.com wrote:
On 11/26/07, Barry Smith bsmith at mcs.anl.gov wrote:
I've looked long and hard for a PETSc bug that would cause this
problem.
No luck. It seems to happen mostly (only?) on certain machines.
Ups! I've found a possilbe
That seems fine.
Matt
On Nov 26, 2007 4:56 PM, Lisandro Dalcin dalcinl at gmail.com wrote:
On 11/26/07, Matthew Knepley knepley at gmail.com wrote:
On Nov 26, 2007 4:19 PM, Lisandro Dalcin dalcinl at gmail.com After
surfing the code and hacked PetscLogPrintSummary(), I added a
