Trace number 2691767

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 NameAnswerCPU timeWall clock time
SAT4J PB CuttingPlanes 2.2.0 2010-05-26Wrong Opt. 0.660898 0.375527

General information on the benchmark

Name/PARTIAL-SMALLINT-LIN/PB06/submitted-PB05/aloul/FPGA_SAT05/
normalized-chnl20_21_pb.cnf.cr--soft-33-100-0.wbo
MD5SUMfbd3a39d50404986b242d7bfefa0e7f6
Bench CategoryPARTIAL-SMALLINT-LIN (both soft and hard constraints, small integers, linear constraints)
Best result obtained on this benchmarkMOPT
Best cost obtained on this benchmark6
Best CPU time to get the best result obtained on this benchmark0.077987
Max-Satisfiable
Max-(Un)Satisfiability was proved
Best value of the cost
Optimality of the best cost was proved
Number of variables840
Total number of constraints82
Number of soft constraints55
Number of constraints which are clauses42
Number of constraints which are cardinality constraints (but not clauses)40
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint20
Maximum length of a constraint21
Top cost 2274
Min constraint cost 1
Max constraint cost 99
Sum of constraints costs 2273
Biggest number in a constraint 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 22
Number of bits of the biggest sum of numbers5
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 

0.04/0.06	c SAT4J: a SATisfiability library for Java (c) 2004-2010 Daniel Le Berre
0.04/0.06	c This is free software under the dual EPL/GNU LGPL licenses.
0.04/0.06	c See www.sat4j.org for details.
0.04/0.07	c version 2.2.0.v20100526
0.04/0.07	c java.runtime.name	Java(TM) SE Runtime Environment
0.04/0.07	c java.vm.name		Java HotSpot(TM) Server VM
0.04/0.07	c java.vm.version	11.2-b01
0.04/0.07	c java.vm.vendor	Sun Microsystems Inc.
0.04/0.07	c sun.arch.data.model	32
0.04/0.07	c java.version		1.6.0_12
0.04/0.07	c os.name		Linux
0.04/0.07	c os.version		2.6.18-164.el5
0.04/0.07	c os.arch		i386
0.04/0.07	c Free memory 		1393557488
0.04/0.07	c Max memory 		1395916800
0.04/0.07	c Total memory 		1395916800
0.04/0.07	c Number of processors 	8
0.12/0.10	c Pseudo Boolean Optimization
0.12/0.10	c Cutting planes based inference (org.sat4j.pb.core.PBSolverCP)
0.12/0.10	c --- Begin Solver configuration ---
0.12/0.10	c Stops conflict analysis at the first Unique Implication Point
0.12/0.10	c org.sat4j.pb.constraints.PBMaxClauseCardConstrDataStructure@1b16e52
0.12/0.10	c Learn all clauses as in MiniSAT
0.12/0.10	c claDecay=0.999 varDecay=0.95 conflictBoundIncFactor=1.5 initConflictBound=100 
0.12/0.10	c VSIDS like heuristics from MiniSAT using a heap phase appearing in latest learned clause taking into account the objective function
0.12/0.10	c No reason simplification
0.12/0.10	c Armin Biere (Picosat) restarts strategy
0.12/0.10	c Glucose learned constraints deletion strategy
0.12/0.10	c timeout=2147483s
0.12/0.10	c DB Simplification allowed=false
0.12/0.10	c --- End Solver configuration ---
0.12/0.10	c solving HOME/instance-2691767-1277891137.wbo
0.12/0.10	c reading problem ... 
0.12/0.16	c ... done. Wall clock time 0.063s.
0.12/0.16	c #vars     895
0.12/0.16	c #constraints  82
0.12/0.16	c constraints type 
0.12/0.16	c org.sat4j.pb.constraints.pb.OriginalHTClausePB => 42
0.12/0.16	c org.sat4j.pb.constraints.pb.MinWatchCardPB => 40
0.50/0.30	c SATISFIABLE
0.50/0.30	c OPTIMIZING...
0.50/0.30	c Got one! Elapsed wall clock time (in seconds):0.196
0.50/0.30	o 16
0.50/0.31	c Got one! Elapsed wall clock time (in seconds):0.211
0.50/0.31	o 8
0.50/0.31	c starts		: 2
0.50/0.31	c conflicts		: 41
0.50/0.31	c decisions		: 2227
0.50/0.31	c propagations		: 4061
0.50/0.31	c inspects		: 2153
0.50/0.31	c learnt literals	: 0
0.50/0.31	c learnt binary clauses	: 0
0.50/0.31	c learnt ternary clauses	: 0
0.50/0.31	c learnt clauses	: 41
0.50/0.31	c ignored clauses	: 0
0.50/0.31	c root simplifications	: 0
0.50/0.31	c removed literals (reason simplification)	: 0
0.50/0.31	c reason swapping (by a shorter reason)	: 0
0.50/0.31	c Calls to reduceDB	: 0
0.50/0.31	c number of reductions to clauses (during analyze)	: 0
0.50/0.31	c number of learned constraints concerned by reduction	: 0
0.50/0.31	c number of learning phase by resolution	: 0
0.50/0.31	c number of learning phase by cutting planes	: 0
0.50/0.31	c speed (assignments/second)	: 1353666.6666666667
0.50/0.31	c non guided choices	1129
0.50/0.31	c learnt constraints type 
0.50/0.31	c constraints type 
0.50/0.31	c org.sat4j.pb.constraints.pb.OriginalHTClausePB => 42
0.50/0.31	c org.sat4j.pb.constraints.pb.MinWatchCardPB => 40
0.50/0.31	c org.sat4j.pb.constraints.pb.MaxWatchPb => 0
0.50/0.31	s OPTIMUM FOUND
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0.50/0.32	c objective function=8
0.50/0.32	c Total wall clock time (in seconds): 0.218

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-2691767-1277891137/watcher-2691767-1277891137 -o /tmp/evaluation-result-2691767-1277891137/solver-2691767-1277891137 -C 1800 -W 2000 -M 3800 java6 -server -Xmx1350m -Xms1350m -jar HOME/sat4j-pb.jar CuttingPlanes HOME/instance-2691767-1277891137.wbo 

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): 3891200 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 3942400 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 2.00 2.04 2.91 3/176 10887
/proc/meminfo: memFree=30280528/32951132 swapFree=67111528/67111528
[pid=10887] ppid=10885 vsize=13164 CPUtime=0
/proc/10887/stat : 10887 (java) R 10885 10887 9609 0 -1 4202496 1036 0 0 0 0 0 0 0 17 0 1 0 130410024 13479936 521 4089446400 134512640 134550932 4287192320 18446744073709551615 8500449 0 0 4096 0 0 0 0 17 5 0 0 0
/proc/10887/statm: 3278 524 222 10 0 1121 0
[pid=10887/tid=10888] ppid=10885 vsize=13436 CPUtime=0
/proc/10887/task/10888/stat : 10888 (java) R 10885 10887 9609 0 -1 4202560 15 0 0 0 0 0 0 0 18 0 2 0 130410025 13758464 540 4089446400 134512640 134550932 4287192320 18446744073709551615 4294960144 0 0 4096 0 0 0 0 -1 5 0 0 0

[startup+0.054542 s]
/proc/loadavg: 2.00 2.04 2.91 3/176 10887
/proc/meminfo: memFree=30280528/32951132 swapFree=67111528/67111528
[pid=10887] ppid=10885 vsize=1528428 CPUtime=0.04
/proc/10887/stat : 10887 (java) S 10885 10887 9609 0 -1 4202496 4053 0 1 0 3 1 0 0 17 0 18 0 130410024 1565110272 3493 4089446400 134512640 134550932 4287192320 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 5 0 0 0
/proc/10887/statm: 382107 3493 1079 10 0 379409 0
[pid=10887/tid=10888] ppid=10885 vsize=1528428 CPUtime=0.03
/proc/10887/task/10888/stat : 10888 (java) R 10885 10887 9609 0 -1 4202560 2971 0 1 0 3 0 0 0 25 0 18 0 130410025 1565110272 3493 4089446400 134512640 134550932 4287192320 18446744073709551615 4108805057 0 4 0 16800975 0 0 0 -1 6 0 0 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 1528428

[startup+0.10051 s]
/proc/loadavg: 2.00 2.04 2.91 3/176 10887
/proc/meminfo: memFree=30280528/32951132 swapFree=67111528/67111528
[pid=10887] ppid=10885 vsize=1529616 CPUtime=0.12
/proc/10887/stat : 10887 (java) S 10885 10887 9609 0 -1 4202496 5161 0 1 0 10 2 0 0 17 0 18 0 130410024 1566326784 4599 4089446400 134512640 134550932 4287192320 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 5 0 0 0
/proc/10887/statm: 382404 4599 1347 10 0 379706 0
[pid=10887/tid=10888] ppid=10885 vsize=1529616 CPUtime=0.08
/proc/10887/task/10888/stat : 10888 (java) R 10885 10887 9609 0 -1 4202560 3506 0 1 0 7 1 0 0 25 0 18 0 130410025 1566326784 4599 4089446400 134512640 134550932 4287192320 18446744073709551615 103285657 0 4 0 16800975 0 0 0 -1 6 0 0 0
Current children cumulated CPU time (s) 0.12
Current children cumulated vsize (KiB) 1529616

[startup+0.300476 s]
/proc/loadavg: 2.00 2.04 2.91 3/176 10887
/proc/meminfo: memFree=30280528/32951132 swapFree=67111528/67111528
[pid=10887] ppid=10885 vsize=1532272 CPUtime=0.5
/proc/10887/stat : 10887 (java) S 10885 10887 9609 0 -1 4202496 7006 0 1 0 48 2 0 0 17 0 19 0 130410024 1569046528 6349 4089446400 134512640 134550932 4287192320 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 5 0 0 0
/proc/10887/statm: 383068 6349 1418 10 0 380370 0
[pid=10887/tid=10888] ppid=10885 vsize=1532272 CPUtime=0.27
/proc/10887/task/10888/stat : 10888 (java) R 10885 10887 9609 0 -1 4202560 4534 0 1 0 26 1 0 0 25 0 19 0 130410025 1569046528 6349 4089446400 134512640 134550932 4287192320 18446744073709551615 4108807825 0 4 0 16800975 0 0 0 -1 6 0 0 0
Current children cumulated CPU time (s) 0.5
Current children cumulated vsize (KiB) 1532272

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

Child status: 30
Real time (s): 0.375527
CPU time (s): 0.660898
CPU user time (s): 0.632903
CPU system time (s): 0.027995
CPU usage (%): 175.992
Max. virtual memory (cumulated for all children) (KiB): 1532272

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.632903
system time used= 0.027995
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 7793
page faults= 1
swaps= 0
block input operations= 0
block output operations= 0
messages sent= 0
messages received= 0
signals received= 0
voluntary context switches= 200
involuntary context switches= 14

runsolver used 0.001999 second user time and 0.007998 second system time

The end

Launcher Data 

Begin job on node128 at 2010-06-30 11:45:37
IDJOB=2691767
IDBENCH=78693
IDSOLVER=1203
FILE ID=node128/2691767-1277891137
PBS_JOBID= 11197097
Free space on /tmp= 74208 MiB

SOLVER NAME= SAT4J PB CuttingPlanes 2.2.0 2010-05-26
BENCH NAME= PB10/normalized-PB10/PARTIAL-SMALLINT-LIN/PB06/submitted-PB05/aloul/FPGA_SAT05/normalized-chnl20_21_pb.cnf.cr--soft-33-100-0.wbo
COMMAND LINE= java6 -server -Xmx1350m -Xms1350m -jar HOME/sat4j-pb.jar CuttingPlanes BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2691767-1277891137/watcher-2691767-1277891137 -o /tmp/evaluation-result-2691767-1277891137/solver-2691767-1277891137 -C 1800 -W 2000 -M 3800  java6 -server -Xmx1350m -Xms1350m -jar HOME/sat4j-pb.jar CuttingPlanes HOME/instance-2691767-1277891137.wbo

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 3800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= fbd3a39d50404986b242d7bfefa0e7f6
RANDOM SEED=1493245675

node128.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	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.853
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 0
cpu cores	: 4
apicid		: 0
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5333.70
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.853
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 0
cpu cores	: 4
apicid		: 16
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.75
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 2
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.853
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 1
cpu cores	: 4
apicid		: 2
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.83
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 3
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.853
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 1
cpu cores	: 4
apicid		: 18
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.74
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 4
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.853
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 2
cpu cores	: 4
apicid		: 4
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.82
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 5
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.853
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 2
cpu cores	: 4
apicid		: 20
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.75
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 6
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.853
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 3
cpu cores	: 4
apicid		: 6
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.82
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 7
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.853
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 3
cpu cores	: 4
apicid		: 22
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.75
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32951132 kB
MemFree:      30281040 kB
Buffers:        175780 kB
Cached:        1001324 kB
SwapCached:          0 kB
Active:        1740836 kB
Inactive:       787224 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951132 kB
LowFree:      30281040 kB
SwapTotal:    67111528 kB
SwapFree:     67111528 kB
Dirty:             416 kB
Writeback:           0 kB
AnonPages:     1351564 kB
Mapped:          16604 kB
Slab:            76612 kB
PageTables:       7248 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587092 kB
Committed_AS:  1564852 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    296000 kB
VmallocChunk: 34359440975 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 74208 MiB
End job on node128 at 2010-06-30 11:45:38