Trace number 2680443

Some explanations

A solver is run under the control of another program named runsolver. runsolver is in charge of imposing the CPU time limit and the memory limit to the solver. It also monitors some information about the process. The trace of the execution of a solver is divided into four (or five) parts:
  1. SOLVER DATA
    This is the output of the solver (stdout and stderr).
    Note that some very long lines in this section may be truncated by your web browser ! In such a case, you may want to use the "Download as text" link to get the trace as a text file.

    When the --timestamp option is passed to the runsolver program, each line output by the solver is prepended with a timestamp which indicates at what time the line was output by the solver. Times are relative to the start of the program, given in seconds. The first timestamp (if present) is estimated CPU time. The last timestamp is wall clock time.

    As some 'v lines' may be very long (sometimes several megabytes), the 'v line' output by your solver may be split on several lines to help limit the size of the trace recorded in the database. In any case, the exact output of your solver is preserved in a trace file.
  2. VERIFIER DATA
    The output of the solver is piped to a verifier program which will search a value line "v " and, if found, will check that the given interpretation satisfies all constraints.
  3. CONVERSION SCRIPT DATA (Optionnal)
    When a conversion script is used, this section shows the messages that were output by the conversion script.
  4. WATCHER DATA
    This is the informations gathered by the runsolver program. It first prints the different limits. There's a first limit on CPU time set to X seconds (see the parameters in the trace). After this time has ellapsed, runsolver sends a SIGTERM and 2 seconds later a SIGKILL to the solver. For safety, there's also another limit set to X+30 seconds which will send a SIGXPU to the solver. The last limit is on the virtual memory used by the process (see the parameters in the trace).
    Every ten seconds, the runsolver process fetches the content of /proc/loadavg, /proc/pid/stat and /proc/pid/statm (see man proc) and prints it as raw data. This is only recorded in case we need to investigate the behaviour of a solver. The memory used by the solver (vsize) is also given every ten seconds.
    When the solver exits, runsolver prints some informations such as status and time. CPU usage is the ratio CPU Time/Real Time.
  5. LAUNCHER DATA
    These informations are related to the script which will launch the solver. The most important informations are the command line given to the solver, the md5sum of the different files and the dump of the /proc/cpuinfo and /proc/meminfo which provides some useful information on the computer.

Solver answer on this benchmark

Solver NameAnswerobjective functionCPU timeWall clock time
wbo 1.4b (fixed)OPT8 16.4195 16.4244

General information on the benchmark

Namenormalized-PB07/OPT-SMALLINT-LIN/submittedPB07/
aksoy/area_delay/normalized-fir02_area_delay.opb
MD5SUM8d75b7afdbc0cca5deeed142ea90f220
Bench CategoryOPT-SMALLINT-LIN (optimisation, small integers, linear constraints)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark8
Best CPU time to get the best result obtained on this benchmark0.098984
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 8
Optimality of the best value was proved YES
Number of variables716
Total number of constraints1923
Number of constraints which are clauses1923
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint1
Maximum length of a constraint31
Number of terms in the objective function 331
Biggest coefficient in the objective function 1
Number of bits for the biggest coefficient in the objective function 1
Sum of the numbers in the objective function 331
Number of bits of the sum of numbers in the objective function 9
Biggest number in a constraint 2
Number of bits of the biggest number in a constraint 2
Biggest sum of numbers in a constraint 331
Number of bits of the biggest sum of numbers9
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

Quality of the solution as a function of time


Download the above graph as a PDF file / as an EPS file

Solver Data 

0.00/0.00	c wbo 1.4 beta - 20100610
0.00/0.00	c Parsing opb file format. File HOME/instance-2680443-1277459933.opb.
0.00/0.00	c Instance file HOME/instance-2680443-1277459933.opb
0.00/0.00	c File size is 54074 bytes.
0.00/0.01	c Highest Coefficient sum: 32
0.00/0.01	c ============================[ Problem Statistics ]=============================
0.00/0.01	c |                                                                             |
0.00/0.01	c |  Parsing time:          0.01         s                                      |
0.00/0.01	c |  Number Variables:      716                                                 |
0.00/0.01	c |  Number Clauses:        1923                                                |
0.00/0.01	c |  Number Cardinality:    0                                                   |
0.00/0.01	c |  Number PB Constraints: 0                                                   |
0.00/0.03	c ============================[ Search Statistics ]==============================
0.00/0.03	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.00/0.03	c |           |    Vars     Ctrs     Lits |    Limit  Clauses Lit/Cl |          |
0.00/0.03	c ===============================================================================
0.00/0.03	c |         0 |     561     2036     4037 |     5000        0    nan |  0.000 % |
0.00/0.03	c ===============================================================================
0.00/0.03	c New solution: 9
0.00/0.03	o 9
0.00/0.03	c Elapsed CPU time: 0.037994 s	Remaining CPU time: 179.962 s
0.00/0.03	c ===============================================================================
0.00/0.03	c |         2 |     561     2037     4368 |     5000        2      6 |  0.000 % |
0.00/0.04	c |       102 |     561     2037     4368 |     5500      102     43 | 21.648 % |
0.00/0.05	c |       252 |     561     2037     4368 |     6050      252     37 | 21.648 % |
0.05/0.08	c |       477 |     561     2037     4368 |     6655      477     29 | 21.648 % |
0.09/0.11	c |       814 |     561     2037     4368 |     7320      814     29 | 21.649 % |
0.09/0.15	c |      1321 |     561     2037     4368 |     8052     1321     29 | 21.648 % |
0.19/0.23	c |      2082 |     561     2037     4368 |     8857     2082     30 | 21.648 % |
0.29/0.34	c |      3221 |     561     2037     4368 |     9743     3221     30 | 21.648 % |
0.49/0.55	c |      4930 |     561     2037     4368 |    10717     4930     32 | 21.649 % |
0.79/0.88	c |      7492 |     561     2037     4368 |    11789     7492     33 | 21.648 % |
1.39/1.42	c |     11336 |     561     2037     4368 |    12968    11336     34 | 21.648 % |
2.09/2.15	c |     17102 |     561     2037     4368 |    14265    10490     32 | 21.648 % |
3.49/3.50	c |     25751 |     561     2037     4368 |    15692    11889     30 | 21.649 % |
5.39/5.46	c |     38727 |     561     2037     4368 |    17261     8913     31 | 21.648 % |
8.39/8.49	c |     58188 |     561     2037     4368 |    18987    10864     33 | 21.650 % |
12.19/12.29	c ===============================================================================
12.19/12.29	c New solution: 8
12.19/12.29	o 8
12.19/12.29	c Elapsed CPU time: 11.9192 s	Remaining CPU time: 168.081 s
12.19/12.29	c ===============================================================================
12.19/12.29	c |     79807 |     561     2038     4699 |     5000    13242     37 | 21.650 % |
12.29/12.33	c |     79909 |     561     2038     4699 |     5500     3413     36 | 21.648 % |
12.29/12.35	c |     80059 |     561     2038     4699 |     6050     3563     35 | 21.649 % |
12.29/12.38	c |     80284 |     561     2038     4699 |     6655     3788     35 | 21.649 % |
12.39/12.42	c |     80625 |     561     2038     4699 |     7320     4129     34 | 21.648 % |
12.39/12.47	c |     81131 |     561     2038     4699 |     8052     4635     33 | 21.649 % |
12.48/12.55	c |     81892 |     561     2038     4699 |     8857     5396     32 | 21.648 % |
12.59/12.69	c |     83031 |     561     2038     4699 |     9743     6535     31 | 21.650 % |
12.89/12.91	c |     84739 |     561     2038     4699 |    10717     8243     29 | 21.648 % |
13.19/13.26	c |     87301 |     558     2038     4699 |    11789     9853     27 | 22.068 % |
13.79/13.82	c |     91146 |     558     2038     4699 |    12968     7686     25 | 22.068 % |
14.59/14.63	c |     96912 |     558     2038     4699 |    14265     6860     26 | 22.070 % |
15.89/15.91	c |    105561 |     553     2038     4699 |    15692     4818     22 | 22.766 % |
16.39/16.42	c ===============================================================================
16.39/16.42	c Best Solution: 8
16.39/16.42	s OPTIMUM FOUND
16.39/16.42	c Total CPU time: 15.9276 s
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Verifier Data 

OK	8

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2680443-1277459933/watcher-2680443-1277459933 -o /tmp/evaluation-result-2680443-1277459933/solver-2680443-1277459933 -C 1800 -W 2000 -M 1800 wbo1.4b -file-format=opb -time-limit=1800 HOME/instance-2680443-1277459933.opb 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1800 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1830 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 2000 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 1843200 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 1894400 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 1.00 1.00 0.95 3/105 27802
/proc/meminfo: memFree=1854692/2059040 swapFree=4140364/4192956
[pid=27802] ppid=27800 vsize=2628 CPUtime=0
/proc/27802/stat : 27802 (wbo1.4b) R 27800 27802 27340 0 -1 4202496 297 0 0 0 0 0 0 0 25 0 1 0 87286806 2691072 215 1992294400 134512640 135752675 4294911184 18446744073709551615 134633461 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/27802/statm: 657 215 140 303 0 338 0

[startup+0.0591901 s]
/proc/loadavg: 1.00 1.00 0.95 3/105 27802
/proc/meminfo: memFree=1854692/2059040 swapFree=4140364/4192956
[pid=27802] ppid=27800 vsize=2968 CPUtime=0.05
/proc/27802/stat : 27802 (wbo1.4b) R 27800 27802 27340 0 -1 4202496 390 0 0 0 5 0 0 0 18 0 1 0 87286806 3039232 294 1992294400 134512640 135752675 4294911184 18446744073709551615 135271249 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/27802/statm: 742 294 145 303 0 437 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 2968

[startup+0.101194 s]
/proc/loadavg: 1.00 1.00 0.95 3/105 27802
/proc/meminfo: memFree=1854692/2059040 swapFree=4140364/4192956
[pid=27802] ppid=27800 vsize=2968 CPUtime=0.09
/proc/27802/stat : 27802 (wbo1.4b) R 27800 27802 27340 0 -1 4202496 390 0 0 0 9 0 0 0 18 0 1 0 87286806 3039232 294 1992294400 134512640 135752675 4294911184 18446744073709551615 134638050 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/27802/statm: 742 294 145 303 0 437 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 2968

[startup+0.301213 s]
/proc/loadavg: 1.00 1.00 0.95 3/105 27802
/proc/meminfo: memFree=1854692/2059040 swapFree=4140364/4192956
[pid=27802] ppid=27800 vsize=3496 CPUtime=0.29
/proc/27802/stat : 27802 (wbo1.4b) R 27800 27802 27340 0 -1 4202496 522 0 0 0 28 1 0 0 18 0 1 0 87286806 3579904 426 1992294400 134512640 135752675 4294911184 18446744073709551615 135271249 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/27802/statm: 874 426 145 303 0 569 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 3496

[startup+0.701252 s]
/proc/loadavg: 1.00 1.00 0.95 3/105 27802
/proc/meminfo: memFree=1854692/2059040 swapFree=4140364/4192956
[pid=27802] ppid=27800 vsize=4420 CPUtime=0.69
/proc/27802/stat : 27802 (wbo1.4b) R 27800 27802 27340 0 -1 4202496 761 0 0 0 66 3 0 0 18 0 1 0 87286806 4526080 665 1992294400 134512640 135752675 4294911184 18446744073709551615 135271249 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/27802/statm: 1105 665 145 303 0 800 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 4420

[startup+1.50133 s]
/proc/loadavg: 1.00 1.00 0.95 2/106 27803
/proc/meminfo: memFree=1851708/2059040 swapFree=4140364/4192956
[pid=27802] ppid=27800 vsize=6004 CPUtime=1.49
/proc/27802/stat : 27802 (wbo1.4b) R 27800 27802 27340 0 -1 4202496 1177 0 0 0 143 6 0 0 20 0 1 0 87286806 6148096 1081 1992294400 134512640 135752675 4294911184 18446744073709551615 135271249 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/27802/statm: 1501 1081 145 303 0 1196 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 6004

[startup+3.10149 s]
/proc/loadavg: 1.00 1.00 0.95 2/106 27803
/proc/meminfo: memFree=1849476/2059040 swapFree=4140364/4192956
[pid=27802] ppid=27800 vsize=8916 CPUtime=3.09
/proc/27802/stat : 27802 (wbo1.4b) R 27800 27802 27340 0 -1 4202496 1901 0 0 0 299 10 0 0 25 0 1 0 87286806 9129984 1805 1992294400 134512640 135752675 4294911184 18446744073709551615 135271249 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/27802/statm: 2229 1805 145 303 0 1924 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 8916

[startup+6.3008 s]
/proc/loadavg: 1.08 1.02 0.96 2/106 27803
/proc/meminfo: memFree=1843524/2059040 swapFree=4140364/4192956
[pid=27802] ppid=27800 vsize=14476 CPUtime=6.29
/proc/27802/stat : 27802 (wbo1.4b) R 27800 27802 27340 0 -1 4202496 3281 0 0 0 610 19 0 0 25 0 1 0 87286806 14823424 3185 1992294400 134512640 135752675 4294911184 18446744073709551615 135271249 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/27802/statm: 3619 3185 145 303 0 3314 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 14476

[startup+12.7014 s]
/proc/loadavg: 1.07 1.02 0.96 2/106 27803
/proc/meminfo: memFree=1832992/2059040 swapFree=4140364/4192956
[pid=27802] ppid=27800 vsize=24544 CPUtime=12.69
/proc/27802/stat : 27802 (wbo1.4b) R 27800 27802 27340 0 -1 4202496 5808 0 0 0 1231 38 0 0 25 0 1 0 87286806 25133056 5712 1992294400 134512640 135752675 4294911184 18446744073709551615 134518934 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/27802/statm: 6136 5712 145 303 0 5831 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 24544

Solver just ended. Dumping a history of the last processes samples

[startup+14.3076 s]
/proc/loadavg: 1.07 1.02 0.96 2/106 27803
/proc/meminfo: memFree=1829272/2059040 swapFree=4140364/4192956
[pid=27802] ppid=27800 vsize=27316 CPUtime=14.3
/proc/27802/stat : 27802 (wbo1.4b) R 27800 27802 27340 0 -1 4202496 6488 0 0 0 1387 43 0 0 25 0 1 0 87286806 27971584 6392 1992294400 134512640 135752675 4294911184 18446744073709551615 135271249 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/27802/statm: 6829 6392 145 303 0 6524 0
Current children cumulated CPU time (s) 14.3
Current children cumulated vsize (KiB) 27316

[startup+15.1007 s]
/proc/loadavg: 1.07 1.02 0.96 2/106 27803
/proc/meminfo: memFree=1829272/2059040 swapFree=4140364/4192956
[pid=27802] ppid=27800 vsize=28636 CPUtime=15.09
/proc/27802/stat : 27802 (wbo1.4b) R 27800 27802 27340 0 -1 4202496 6816 0 0 0 1464 45 0 0 25 0 1 0 87286806 29323264 6720 1992294400 134512640 135752675 4294911184 18446744073709551615 135271249 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/27802/statm: 7159 6720 145 303 0 6854 0
Current children cumulated CPU time (s) 15.09
Current children cumulated vsize (KiB) 28636

[startup+15.9007 s]
/proc/loadavg: 1.07 1.02 0.96 2/106 27803
/proc/meminfo: memFree=1827412/2059040 swapFree=4140364/4192956
[pid=27802] ppid=27800 vsize=29824 CPUtime=15.89
/proc/27802/stat : 27802 (wbo1.4b) R 27800 27802 27340 0 -1 4202496 7125 0 0 0 1542 47 0 0 25 0 1 0 87286806 30539776 7029 1992294400 134512640 135752675 4294911184 18446744073709551615 135271249 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/27802/statm: 7456 7029 145 303 0 7151 0
Current children cumulated CPU time (s) 15.89
Current children cumulated vsize (KiB) 29824

[startup+16.3008 s]
/proc/loadavg: 1.07 1.02 0.96 2/106 27803
/proc/meminfo: memFree=1827412/2059040 swapFree=4140364/4192956
[pid=27802] ppid=27800 vsize=30616 CPUtime=16.29
/proc/27802/stat : 27802 (wbo1.4b) R 27800 27802 27340 0 -1 4202496 7316 0 0 0 1581 48 0 0 25 0 1 0 87286806 31350784 7220 1992294400 134512640 135752675 4294911184 18446744073709551615 134611615 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/27802/statm: 7654 7220 145 303 0 7349 0
Current children cumulated CPU time (s) 16.29
Current children cumulated vsize (KiB) 30616

[startup+16.4008 s]
/proc/loadavg: 1.07 1.02 0.96 2/106 27803
/proc/meminfo: memFree=1825552/2059040 swapFree=4140364/4192956
[pid=27802] ppid=27800 vsize=30880 CPUtime=16.39
/proc/27802/stat : 27802 (wbo1.4b) R 27800 27802 27340 0 -1 4202496 7365 0 0 0 1591 48 0 0 25 0 1 0 87286806 31621120 7269 1992294400 134512640 135752675 4294911184 18446744073709551615 135271249 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/27802/statm: 7720 7269 145 303 0 7415 0
Current children cumulated CPU time (s) 16.39
Current children cumulated vsize (KiB) 30880

Child status: 0
Real time (s): 16.4244
CPU time (s): 16.4195
CPU user time (s): 15.9276
CPU system time (s): 0.491925
CPU usage (%): 99.9699
Max. virtual memory (cumulated for all children) (KiB): 30880

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 15.9276
system time used= 0.491925
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 7370
page faults= 0
swaps= 0
block input operations= 0
block output operations= 0
messages sent= 0
messages received= 0
signals received= 0
voluntary context switches= 3
involuntary context switches= 15

runsolver used 0.025996 second user time and 0.093985 second system time

The end

Launcher Data 

Begin job on node089 at 2010-06-25 11:58:53
IDJOB=2680443
IDBENCH=25005
IDSOLVER=1190
FILE ID=node089/2680443-1277459933
PBS_JOBID= 11188101
Free space on /tmp= 62556 MiB

SOLVER NAME= wbo 1.4b (fixed)
BENCH NAME= PB07/normalized-PB07/OPT-SMALLINT-LIN/submittedPB07/aksoy/area_delay/normalized-fir02_area_delay.opb
COMMAND LINE= wbo1.4b -file-format=opb -time-limit=TIMEOUT BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2680443-1277459933/watcher-2680443-1277459933 -o /tmp/evaluation-result-2680443-1277459933/solver-2680443-1277459933 -C 1800 -W 2000 -M 1800  wbo1.4b -file-format=opb -time-limit=1800 HOME/instance-2680443-1277459933.opb

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 8d75b7afdbc0cca5deeed142ea90f220
RANDOM SEED=1228687956

node089.alineos.net Linux 2.6.18-164.el5 #1 SMP Thu Sep 3 03:28:30 EDT 2009

/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 15
model		: 4
model name	:                   Intel(R) Xeon(TM) CPU 3.00GHz
stepping	: 3
cpu MHz		: 3000.244
cache size	: 2048 KB
physical id	: 0
siblings	: 1
core id		: 0
cpu cores	: 1
apicid		: 0
fpu		: yes
fpu_exception	: yes
cpuid level	: 5
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm constant_tsc pni monitor ds_cpl cid cx16 xtpr
bogomips	: 6000.48
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 15
model		: 4
model name	:                   Intel(R) Xeon(TM) CPU 3.00GHz
stepping	: 3
cpu MHz		: 3000.244
cache size	: 2048 KB
physical id	: 3
siblings	: 1
core id		: 0
cpu cores	: 1
apicid		: 6
fpu		: yes
fpu_exception	: yes
cpuid level	: 5
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm constant_tsc pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5999.47
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1855096 kB
Buffers:         17084 kB
Cached:          84604 kB
SwapCached:       5456 kB
Active:          23864 kB
Inactive:        90468 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1855096 kB
SwapTotal:     4192956 kB
SwapFree:      4140364 kB
Dirty:            2708 kB
Writeback:           0 kB
AnonPages:       11280 kB
Mapped:          11920 kB
Slab:            67860 kB
PageTables:       4088 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   181844 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    264948 kB
VmallocChunk: 34359471699 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 62552 MiB
End job on node089 at 2010-06-25 11:59:10