Trace number 2669149

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
PB/CT 0.1Wrong Opt.288883 1.18682 1.20045

General information on the benchmark

Namenormalized-PB06/OPT-MEDINT/mps-v2-20-10/MIPLIB/
miplib/normalized-mps-v2-20-10-p0282.opb
MD5SUM3d08eecd6841b46afc4009161d25bc6a
Bench CategoryOPT-MEDINT (optimisation, medium integers)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark258411
Best CPU time to get the best result obtained on this benchmark2.28165
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 258411
Optimality of the best value was proved YES
Number of variables282
Total number of constraints221
Number of constraints which are clauses177
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints44
Minimum length of a constraint2
Maximum length of a constraint57
Number of terms in the objective function 282
Biggest coefficient in the objective function 160646
Number of bits for the biggest coefficient in the objective function 18
Sum of the numbers in the objective function 1302615
Number of bits of the sum of numbers in the objective function 21
Biggest number in a constraint 160646
Number of bits of the biggest number in a constraint 18
Biggest sum of numbers in a constraint 1302615
Number of bits of the biggest sum of numbers21
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 PB/CT 0.1 http://www.residual.se/pbct
0.00/0.00	c Based on OpenSMT/CT 20091015
0.00/0.00	c constraints 44/0 clauses 177/0 units 0
0.00/0.00	c vars 282
0.00/0.00	c objective 282 + 0
0.00/0.09	c 0.092985 9.88672 1 520
0.00/0.09	o 667765
0.00/0.10	c 0.095985 10.0781 4 714
0.00/0.10	o 644249
0.00/0.10	c 0.098984 10.0781 5 975
0.00/0.10	o 615358
0.10/0.10	c 0.101984 10.0781 5 1213
0.10/0.10	o 478937
0.10/0.13	c 0.122981 10.0781 99 1423
0.10/0.13	o 478933
0.10/0.14	c 0.13098 10.0781 119 1568
0.10/0.14	o 472462
0.10/0.14	c 0.136979 10.0781 131 1600
0.10/0.14	o 472461
0.10/0.15	c 0.139978 10.0781 132 1749
0.10/0.15	o 446022
0.10/0.15	c 0.143978 10.0781 134 1849
0.10/0.15	o 435116
0.10/0.15	c 0.146977 10.0781 135 1970
0.10/0.15	o 410354
0.10/0.16	c 0.149977 10.0781 135 2081
0.10/0.16	o 410113
0.10/0.16	c 0.152976 10.0781 135 2173
0.10/0.16	o 407757
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0.10/0.16	o 407754
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0.10/0.17	o 407383
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0.10/0.17	o 407381
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0.10/0.17	o 407328
0.10/0.18	c 0.167974 10.0781 135 2611
0.10/0.18	o 407110
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0.10/0.18	o 407090
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0.10/0.18	o 407081
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0.69/0.75	c 0.669898 10.4883 1111 9979
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0.78/0.84	c 0.742887 10.6172 545 11675
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0.78/0.85	c 0.744886 10.6172 547 11746
0.78/0.85	o 290040
0.78/0.86	c 0.750885 10.6172 569 11812
0.78/0.86	o 290027
0.78/0.86	c 0.753885 10.6172 569 11841
0.78/0.86	o 290023
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0.78/0.86	o 290002
0.78/0.87	c 0.757884 10.6172 569 11984
0.78/0.87	o 289870
0.78/0.87	c 0.760884 10.6172 569 12051
0.78/0.87	o 289702
0.78/0.87	c 0.762884 10.6172 569 12077
0.78/0.87	o 289698
0.78/0.87	c 0.765883 10.6172 569 12107
0.78/0.87	o 289684
0.78/0.88	c 0.768883 10.6172 569 12126
0.78/0.88	o 289682
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0.78/0.88	o 289678
0.78/0.89	c 0.776881 10.6172 569 12174
0.78/0.89	o 289676
0.78/0.89	c 0.779881 10.6172 569 12187
0.78/0.89	o 289674
0.78/0.89	c 0.78288 10.6172 570 12261
0.78/0.89	o 289617
0.88/0.90	c 0.78488 10.6172 570 12325
0.88/0.90	o 289601
0.88/0.90	c 0.78788 10.6172 570 12380
0.88/0.90	o 289594
0.88/0.90	c 0.789879 10.6172 570 12429
0.88/0.90	o 289589
0.88/0.91	c 0.792879 10.6172 570 12478
0.88/0.91	o 289588
0.88/0.91	c 0.796878 10.6172 570 12540
0.88/0.91	o 289565
0.88/0.91	c 0.799878 10.6172 570 12598
0.88/0.91	o 289556
0.88/0.92	c 0.802877 10.6172 570 12639
0.88/0.92	o 289550
0.88/0.92	c 0.805877 10.6172 570 12695
0.88/0.92	o 289525
0.88/0.92	c 0.808877 10.6172 571 12752
0.88/0.92	o 289482
0.88/0.92	c 0.811876 10.6172 571 12781
0.88/0.92	o 289480
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0.88/0.93	o 289465
0.88/0.94	c 0.826874 10.6172 609 12875
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0.88/0.94	c 0.829873 10.6172 609 12892
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0.98/1.03	c 0.900863 10.7305 452 13932
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0.98/1.03	c 0.902862 10.7305 452 13991
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0.98/1.03	c 0.905862 10.7305 173 14042
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0.98/1.04	o 288946
0.98/1.05	c 0.921859 10.7305 173 14322
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0.98/1.05	o 288928
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0.98/1.06	o 288927
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0.98/1.06	o 288922
0.98/1.06	c 0.932858 10.7305 174 14493
0.98/1.06	o 288917
0.98/1.06	c 0.936857 10.7305 178 14523
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0.98/1.07	c 0.938857 10.7305 178 14552
0.98/1.07	o 288914
0.98/1.07	c 0.941856 10.7305 178 14577
0.98/1.07	o 288913
0.98/1.07	c 0.944856 10.7305 178 14605
0.98/1.07	o 288909
0.98/1.08	c 0.945856 10.7305 178 14629
0.98/1.08	o 288903
0.98/1.08	c 0.948855 10.7305 178 14648
0.98/1.08	o 288902
0.98/1.08	c 0.950855 10.7305 178 14670
0.98/1.08	o 288896
0.98/1.08	c 0.953854 10.7305 178 14688
0.98/1.08	o 288894
0.98/1.09	c 0.956854 10.7305 178 14705
0.98/1.09	o 288893
0.98/1.09	c 0.959854 10.7305 180 14721
0.98/1.09	o 288887
0.98/1.09	c 0.961853 10.7305 180 14727
0.98/1.09	o 288886
0.98/1.09	c 0.963853 10.7305 180 14732
0.98/1.09	o 288885
0.98/1.10	c 0.965853 10.7305 180 14737
0.98/1.10	o 288884
0.98/1.10	c 0.968852 10.7305 180 14741
0.98/1.10	o 288883
1.09/1.16	c 1.02784 10.7305 206 15016
1.09/1.16	s OPTIMUM FOUND
1.09/1.16	v -x1 -x2 -x3 x4 -x5 -x6 -x7 -x8 -x9 -x10 -x11 x12 -x13 -x14 -x15 -x16 -x17 -x18 -x19 -x20 -x21 -x22 -x23 -x24 -x25 -x26 -x27 -x28 -x29 -x30 -x31 -x32 -x33 -x34 -x35 -x36 -x37 -x38 -x39 -x40 -x41 -x42 -x43 -x44 -x45 -x46 -x47 -x48 -x49 -x50 -x51 -x52 -x53 -x54 -x55 -x56 -x57 -x58 -x59 -x60 -x61 -x62 -x63 -x64 -x65 -x66 -x67 -x68 -x69 -x70 -x71 -x72 -x73 -x74 -x75 -x76 -x77 -x78 -x79 -x80 -x81 -x82 -x83 -x84 -x85 -x86 -x87 -x88 -x89 -x90 -x91 x92 -x93 -x94 -x95 -x96 -x97 -x98 -x99 -x100 -x101 x102 -x103 x104 -x105 -x106 -x107 -x108 -x109 -x110 -x111 -x112 -x113 -x114 -x115 -x116 -x117 -x118 -x119 -x120 -x121 -x122 -x123 -x124 -x125 -x126 -x127 -x128 -x129 -x130 -x131 -x132 -x133 -x134 -x135 -x136 -x137 -x138 -x139 -x140 -x141 -x142 -x143 -x144 -x145 -x146 -x147 -x148 -x149 -x150 -x151 -x152 -x153 -x154 -x155 x156 -x157 -x158 -x159 -x160 -x161 -x162 -x163 -x164 -x165 -x166 -x167 -x168 -x169 x170 -x171 -x172 -x173 -x174 -x175 -x176 -x177 -x178 -x179 -x180 -x181 -x182 -x183 -x184 -x185 -x186 -x187 -x188 -x189 -x190 -x191 x192 -x193 -x194 -x195 -x196 -x197 -x198 -x199 x200 -x201 -x202 -x203 -x204 -x205 -x206 -x207 -x208 -x209 -x210 -x211 -x212 -x213 -x214 -x215 x216 -x217 -x218 -x219 -x220 -x221 -x222 -x223 x224 -x225 x226 -x227 -x228 -x229 -x230 -x231 -x232 -x233 -x234 -x235 -x236 -x237 x238 -x239 -x240 -x241 -x242 x243 x244 x245 -x246 x247 -x248 x249 -x250 -x251 x252 x253 -x254 x255 -x256 x257 x258 -x259 -x260 x261 x262 x263 x264 -x265 -x266 -x267 -x268 -x269 -x270 -x271 -x272 -x273 x274 x275 x276 x277 x278 x279 -x280 x281 x282

Verifier Data

OK	288883

Watcher Data

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2669149-1276435643/watcher-2669149-1276435643 -o /tmp/evaluation-result-2669149-1276435643/solver-2669149-1276435643 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2669149-1276435643.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 0.99 0.99 3/106 24914
/proc/meminfo: memFree=1821784/2059040 swapFree=4140112/4192956
[pid=24914] ppid=24912 vsize=2600 CPUtime=0
/proc/24914/stat : 24914 (pbct) R 24912 24914 24181 0 -1 4202496 298 0 0 0 0 0 0 0 22 0 1 0 19167943 2662400 220 1992294400 134512640 136485738 4289019296 18446744073709551615 135850441 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/24914/statm: 650 224 175 482 0 166 0

[startup+0.109239 s]
/proc/loadavg: 1.00 0.99 0.99 3/106 24914
/proc/meminfo: memFree=1821784/2059040 swapFree=4140112/4192956
[pid=24914] ppid=24912 vsize=10316 CPUtime=0.1
/proc/24914/stat : 24914 (pbct) R 24912 24914 24181 0 -1 4202496 2283 0 0 0 10 0 0 0 22 0 1 0 19167943 10563584 2202 1992294400 134512640 136485738 4289019296 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24914/statm: 2579 2202 243 482 0 2095 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 10316

[startup+0.201249 s]
/proc/loadavg: 1.00 0.99 0.99 3/106 24914
/proc/meminfo: memFree=1821784/2059040 swapFree=4140112/4192956
[pid=24914] ppid=24912 vsize=10316 CPUtime=0.19
/proc/24914/stat : 24914 (pbct) R 24912 24914 24181 0 -1 4202496 2308 0 0 0 18 1 0 0 22 0 1 0 19167943 10563584 2207 1992294400 134512640 136485738 4289019296 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24914/statm: 2579 2207 243 482 0 2095 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 10316

[startup+0.301259 s]
/proc/loadavg: 1.00 0.99 0.99 3/106 24914
/proc/meminfo: memFree=1821784/2059040 swapFree=4140112/4192956
[pid=24914] ppid=24912 vsize=10432 CPUtime=0.28
/proc/24914/stat : 24914 (pbct) R 24912 24914 24181 0 -1 4202496 2338 0 0 0 26 2 0 0 22 0 1 0 19167943 10682368 2227 1992294400 134512640 136485738 4289019296 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24914/statm: 2608 2227 243 482 0 2124 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 10432

[startup+0.701305 s]
/proc/loadavg: 1.00 0.99 0.99 3/106 24914
/proc/meminfo: memFree=1821784/2059040 swapFree=4140112/4192956
[pid=24914] ppid=24912 vsize=10736 CPUtime=0.69
/proc/24914/stat : 24914 (pbct) R 24912 24914 24181 0 -1 4202496 2472 0 0 0 62 7 0 0 24 0 1 0 19167943 10993664 2304 1992294400 134512640 136485738 4289019296 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24914/statm: 2684 2304 243 482 0 2200 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 10736

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

[startup+0.801318 s]
/proc/loadavg: 1.00 0.99 0.99 3/106 24914
/proc/meminfo: memFree=1821784/2059040 swapFree=4140112/4192956
[pid=24914] ppid=24912 vsize=10736 CPUtime=0.78
/proc/24914/stat : 24914 (pbct) R 24912 24914 24181 0 -1 4202496 2499 0 0 0 70 8 0 0 25 0 1 0 19167943 10993664 2313 1992294400 134512640 136485738 4289019296 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24914/statm: 2684 2313 243 482 0 2200 0
Current children cumulated CPU time (s) 0.78
Current children cumulated vsize (KiB) 10736

[startup+1.00134 s]
/proc/loadavg: 1.00 0.99 0.99 3/106 24914
/proc/meminfo: memFree=1821784/2059040 swapFree=4140112/4192956
[pid=24914] ppid=24912 vsize=10868 CPUtime=0.98
/proc/24914/stat : 24914 (pbct) R 24912 24914 24181 0 -1 4202496 2599 0 0 0 87 11 0 0 25 0 1 0 19167943 11128832 2355 1992294400 134512640 136485738 4289019296 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24914/statm: 2717 2355 243 482 0 2233 0
Current children cumulated CPU time (s) 0.98
Current children cumulated vsize (KiB) 10868

[startup+1.10135 s]
/proc/loadavg: 1.00 0.99 0.99 2/107 24915
/proc/meminfo: memFree=1813096/2059040 swapFree=4140112/4192956
[pid=24914] ppid=24912 vsize=10984 CPUtime=1.09
/proc/24914/stat : 24914 (pbct) R 24912 24914 24181 0 -1 4202496 2654 0 0 0 97 12 0 0 25 0 1 0 19167943 11247616 2374 1992294400 134512640 136485738 4289019296 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24914/statm: 2746 2374 243 482 0 2262 0
Current children cumulated CPU time (s) 1.09
Current children cumulated vsize (KiB) 10984

Child status: 0
Real time (s): 1.20045
CPU time (s): 1.18682
CPU user time (s): 1.05784
CPU system time (s): 0.12898
CPU usage (%): 98.8643
Max. virtual memory (cumulated for all children) (KiB): 10984

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.05784
system time used= 0.12898
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2664
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= 2
involuntary context switches= 416

runsolver used 0.009998 second user time and 0.022996 second system time

The end

Launcher Data

Begin job on node006 at 2010-06-13 15:27:23
IDJOB=2669149
IDBENCH=1511
IDSOLVER=1170
FILE ID=node006/2669149-1276435643
PBS_JOBID= 11173315
Free space on /tmp= 62472 MiB

SOLVER NAME= PB/CT 0.1
BENCH NAME= PB06//final/normalized-PB06/OPT-MEDINT/mps-v2-20-10/MIPLIB/miplib/normalized-mps-v2-20-10-p0282.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2669149-1276435643/watcher-2669149-1276435643 -o /tmp/evaluation-result-2669149-1276435643/solver-2669149-1276435643 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2669149-1276435643.opb

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

MD5SUM BENCH= 3d08eecd6841b46afc4009161d25bc6a
RANDOM SEED=3363130

node006.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		: 3000.204
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	: 6000.40
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		: 3000.204
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	: 5599.45
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1822188 kB
Buffers:         29988 kB
Cached:         125448 kB
SwapCached:       7136 kB
Active:          71780 kB
Inactive:        97828 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1822188 kB
SwapTotal:     4192956 kB
SwapFree:      4140112 kB
Dirty:            1996 kB
Writeback:           0 kB
AnonPages:       11764 kB
Mapped:          13008 kB
Slab:            45428 kB
PageTables:       4028 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   180840 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= 62472 MiB
End job on node006 at 2010-06-13 15:27:24