MARMOT- MPI Analysis and Checking Tool Demo with blood flow simulation. Bettina Krammer, Matthias Müller
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1 MARMOT- MPI Analysis and Checking Tool Demo with blood flow simulation Bettina Krammer, Matthias Müller HLRS High Performance Computing Center Stuttgart Allmandring 30 D Stuttgart
2 What is MARMOT? Tool for the development of MPI applications Automatic runtime analysis of the application: Detect incorrect use of MPI Detect non-portable constructs Detect possible race conditions and deadlocks MARMOT does not require source code modifications, just relinking C and Fortran binding of MPI -1.2 is supported Additional information and download:
3 MARMOT and B_Stream (WP1.1) Preparatory steps: Relink the application with MARMOT (e.g. on a User Interface of the CrossGrid testbed) Put the executable and necessary input files on a Storage Element in the testbed Create and store an icon on the Migrating Desktop for the job submission
4 Job Submission with Migrating Desktop
5 Job Output
6 Examples of Log File 54 rank 1 performs MPI_Cart_shift 55 rank 2 performs MPI_Cart_shift 56 rank 0 performs MPI_Send 57 rank 1 performs MPI_Recv WARNING: MPI_Recv: Use of MPI_ANY_SOURCE may cause race conditions! 58 rank 2 performs MPI_Recv WARNING: MPI_Recv: Use of MPI_ANY_SOURCE may cause race conditions! 59 rank 0 performs MPI_Send 60 rank 1 performs MPI_Recv WARNING: MPI_Recv: Use of MPI_ANY_SOURCE may cause race conditions! 61 rank 0 performs MPI_Send 62 rank 1 performs MPI_Bcast 63 rank 2 performs MPI_Recv WARNING: MPI_Recv: Use of MPI_ANY_SOURCE may cause race conditions! 64 rank 0 performs MPI_Pack 65 rank 2 performs MPI_Bcast 66 rank 0 performs MPI_Pack
7 Examples of Log File (continued) 7883 rank 2 performs MPI_Barrier 7884 rank 0 performs MPI_Sendrecv 7885 rank 1 performs MPI_Sendrecv 7886 rank 2 performs MPI_Sendrecv 7887 rank 0 performs MPI_Sendrecv 7888 rank 1 performs MPI_Sendrecv 7889 rank 2 performs MPI_Sendrecv 7890 rank 0 performs MPI_Barrier 7891 rank 1 performs MPI_Barrier 7892 rank 2 performs MPI_Barrier 7893 rank 0 performs MPI_Sendrecv 7894 rank 1 performs MPI_Sendrecv
8 Examples of Log File (Deadlock) 9310 rank 1 performs MPI_Sendrecv 9311 rank 2 performs MPI_Sendrecv 9312 rank 0 performs MPI_Barrier 9313 rank 1 performs MPI_Barrier 9314 rank 2 performs MPI_Barrier 9315 rank 1 performs MPI_Sendrecv 9316 rank 2 performs MPI_Sendrecv 9317 rank 0 performs MPI_Sendrecv 9318 rank 1 performs MPI_Sendrecv 9319 rank 0 performs MPI_Sendrecv 9320 rank 2 performs MPI_Sendrecv 9321 rank 0 performs MPI_Barrier 9322 rank 1 performs MPI_Barrier 9323 rank 2 performs MPI_Barrier 9324 rank 1 performs MPI_Comm_rank 9325 rank 1 performs MPI_Bcast 9326 rank 2 performs MPI_Comm_rank 9327 rank 2 performs MPI_Bcast 9328 rank 0 performs MPI_Sendrecv WARNING: all clients are pending!
9 Examples of Log File (Deadlock: traceback on 0) timestamp= 9298: MPI_Sendrecv(*sendbuf, sendcount = 7220, sendtype = MPI_DOUBLE, timestamp= 9300: MPI_Sendrecv(*sendbuf, sendcount = 7220, sendtype = MPI_DOUBLE, dest = 1, sendtag = 1, *recvbuf, recvcount = 7220, recvtype = MPI_DOUBLE, source = 2, recvtag = 1, comm = self-defined communicator, *status) timestamp= 9304: MPI_Barrier(comm = MPI_COMM_WORLD) timestamp= 9307: MPI_Sendrecv(*sendbuf, sendcount = 7220, sendtype = MPI_DOUBLE, timestamp= 9309: MPI_Sendrecv(*sendbuf, sendcount = 7220, sendtype = MPI_DOUBLE, dest = 1, sendtag = 1, *recvbuf, recvcount = 7220, recvtype = MPI_DOUBLE, source = 2, recvtag = 1, comm = self-defined communicator, *status) timestamp= 9312: MPI_Barrier(comm = MPI_COMM_WORLD) timestamp= 9317: MPI_Sendrecv(*sendbuf, sendcount = 7220, sendtype = MPI_DOUBLE, timestamp= 9319: MPI_Sendrecv(*sendbuf, sendcount = 7220, sendtype = MPI_DOUBLE, dest = 1, sendtag = 1, *recvbuf, recvcount = 7220, recvtype = MPI_DOUBLE, source = 2, recvtag = 1, comm = self-defined communicator, *status) timestamp= 9321: MPI_Barrier(comm = MPI_COMM_WORLD) timestamp= 9328: MPI_Sendrecv(*sendbuf, sendcount = 7220, sendtype = MPI_DOUBLE,
10 Examples of Log File (Deadlock: traceback on 1) timestamp= 9301: MPI_Sendrecv(*sendbuf, sendcount = 7220, sendtype = MPI_DOUBLE, source = 0, recvtag = 1, comm = self-defined communicator, *status) timestamp= 9302: MPI_Barrier(comm = MPI_COMM_WORLD) timestamp= 9306: MPI_Sendrecv(*sendbuf, sendcount = 7220, sendtype = MPI_DOUBLE, dest = 0, sendtag = 1, *recvbuf, recvcount = 7220, recvtype = MPI_DOUBLE, source = 2, recvtag = 1, comm = self-defined communicator, *status) timestamp= 9310: MPI_Sendrecv(*sendbuf, sendcount = 7220, sendtype = MPI_DOUBLE, source = 0, recvtag = 1, comm = self-defined communicator, *status) timestamp= 9313: MPI_Barrier(comm = MPI_COMM_WORLD) timestamp= 9315: MPI_Sendrecv(*sendbuf, sendcount = 7220, sendtype = MPI_DOUBLE, dest = 0, sendtag = 1, *recvbuf, recvcount = 7220, recvtype = MPI_DOUBLE, source = 2, recvtag = 1, comm = self-defined communicator, *status) timestamp= 9318: MPI_Sendrecv(*sendbuf, sendcount = 7220, sendtype = MPI_DOUBLE, source = 0, recvtag = 1, comm = self-defined communicator, *status) timestamp= 9322: MPI_Barrier(comm = MPI_COMM_WORLD) timestamp= 9324: MPI_Comm_rank(comm = MPI_COMM_WORLD, *rank) timestamp= 9325: MPI_Bcast(*buffer, count = 3, datatype = MPI_DOUBLE, root = 0, comm = MPI_COMM_WORLD)
11 Examples of Log File (Deadlock: traceback on 2) timestamp= 9303: MPI_Sendrecv(*sendbuf, sendcount = 7220, sendtype = MPI_DOUBLE, dest = 0, sendtag = 1, *recvbuf, recvcount = 7220, recvtype = MPI_DOUBLE, timestamp= 9305: MPI_Barrier(comm = MPI_COMM_WORLD) timestamp= 9308: MPI_Sendrecv(*sendbuf, sendcount = 7220, sendtype = MPI_DOUBLE, dest = 1, sendtag = 1, *recvbuf, recvcount = 7220, recvtype = MPI_DOUBLE, source = 0, recvtag = 1, comm = self-defined communicator, *status) timestamp= 9311: MPI_Sendrecv(*sendbuf, sendcount = 7220, sendtype = MPI_DOUBLE, dest = 0, sendtag = 1, *recvbuf, recvcount = 7220, recvtype = MPI_DOUBLE, timestamp= 9314: MPI_Barrier(comm = MPI_COMM_WORLD) timestamp= 9316: MPI_Sendrecv(*sendbuf, sendcount = 7220, sendtype = MPI_DOUBLE, dest = 1, sendtag = 1, *recvbuf, recvcount = 7220, recvtype = MPI_DOUBLE, source = 0, recvtag = 1, comm = self-defined communicator, *status) timestamp= 9320: MPI_Sendrecv(*sendbuf, sendcount = 7220, sendtype = MPI_DOUBLE, dest = 0, sendtag = 1, *recvbuf, recvcount = 7220, recvtype = MPI_DOUBLE, timestamp= 9323: MPI_Barrier(comm = MPI_COMM_WORLD) timestamp= 9326: MPI_Comm_rank(comm = MPI_COMM_WORLD, *rank) timestamp= 9327: MPI_Bcast(*buffer, count = 3, datatype = MPI_DOUBLE, root = 0, comm = MPI_COMM_WORLD)
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1) Go to the following URL: https://myitservices.nus.edu.sg/arsys/ 2) Login with your NUS account and password.
Introduction: Computer Centre has a wide range of service offering to all NUS users. Through an easy-to-use selfservice IT Service Request Portal, selected services are exposed to NUS Community to facilitate
Computerberegninger er blevet en essentiel del af naturvidenskaben og computerprogrammering er nu også et vigtigt værktøj for forsker uden en
! "#$%"$ Acknowledgments Firstly, I would like to thank all my coworkers at the escience Center and my fellow PhD-students who made my PhD study a very nice experience. Especially, I would like to thank
Sage ERP Accpac U.S. Payroll Versions 5.5S, 5.6O and 6.0J Tax Update for June 30, 2012
Sage ERP Accpac U.S. Payroll Versions 5.5S, 5.6O and 6.0J Tax Update for June 30, 2012 Before You Install... 1 Important Update Installation Process Change... 1 Critical Product Update Requirements...
Stage One - Applying For an Assent Remote Access Login
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Online banking user guide
Welcome Peoples Federal Savings Bank customers Online banking user guide IMPORTANT INFORMATION about your online banking account. Important information Your online banking accounts with Peoples Federal
Do I need to install anything on my computer to use the VC?
FAQs How does the Virtual computer work? Essentially, the computer accessing the Virtual computer acts as a wireless mouse and keyboard. The applications themselves are running on IT Sligo servers in a