Re: [OMPI devel] Need help for semaphore in BML

2007-04-19 Thread Jeff Squyres
On Apr 19, 2007, at 1:45 PM, po...@cc.gatech.edu wrote: I want to put semaphore in bml.h--- mca_bml_send before and after calling btl_send. SO that when a process call btl_send it first lock a global variable X and then proceeds.Also if an external Tcp function wants to send data it should

Re: [OMPI devel] SOS... help needed :(

2007-04-19 Thread Jeff Squyres
Are both the IB HCA and the ethernet interfaces on the same physical bus? If they're not, the need for multiplexing them is diminished (but, of course, it depends on what you're trying to do -- if everything is using huge memory transfers, then your bottleneck will be RAM, not the bus tha

Re: [OMPI devel] SOS... help needed :(

2007-04-19 Thread pooja
Hi, Some of our clusters uses Gigabit Ethernet and Infiniband. So we are trying to multiplex them. Thanks and Regards Pooja > On Thu, Apr 19, 2007 at 06:58:37PM -0400, po...@cc.gatech.edu wrote: > >> I am Pooja working with chaitali on this project. >> The idea behind this is while running a pa

Re: [OMPI devel] SOS... help needed :(

2007-04-19 Thread Christian Leber
On Thu, Apr 19, 2007 at 06:58:37PM -0400, po...@cc.gatech.edu wrote: > I am Pooja working with chaitali on this project. > The idea behind this is while running a parallelized code ,if a huge > chunks of serial computation is encountered at that time underlying > network infrastructure can be used

Re: [OMPI devel] SOS... help needed :(

2007-04-19 Thread pooja
Hi, I am Pooja working with chaitali on this project. The idea behind this is while running a parallelized code ,if a huge chunks of serial computation is encountered at that time underlying network infrastructure can be used for some other data transfer. This increases the network utilization. But

Re: [OMPI devel] SOS... help needed :(

2007-04-19 Thread Christian Leber
On Sun, Apr 15, 2007 at 10:25:06PM -0400, chaitali dherange wrote: >schedule MPI and non MPI calls... giving more priority to the MPI calls >over the non >MPI ones. What is the idea behind this and what advantages are expected? Christian Leber -- http://rettetdieti.vde-uni-mannhei

[OMPI devel] Fancy ORTE/MPIRUN bugs

2007-04-19 Thread Aurelien Bouteiller
Hi, I am experiencing several fancy bugs with ORTE. All bugs occur on Intel 32 bits architecture under Mac OS X using gcc 4.2. The tested version is todays trunk (it also have occured for at least three weeks) First occurs when compiling in "optimized" mode (aka configure --disable-debug --

[OMPI devel] Need help for semaphore in BML

2007-04-19 Thread pooja
Hi, I want to put semaphore in bml.h--- mca_bml_send before and after calling btl_send. SO that when a process call btl_send it first lock a global variable X and then proceeds.Also if an external Tcp function wants to send data it should first lock global variable X and then proceed. Can anyone