10 Apr 2008      ==============================
                 Parallel CPLEX on MIP problems
                 ==============================
               H. Mittelmann (mittelmann@asu.edu)

Logiles at http://plato.asu.edu/ftp/ser_par_logs/

CPLEX-11.01 was run in default mode on a single and on a two-processor 2.4GHz Opteron (64-bit, Linux), as well as on 1, 2, 4 processors of a 2.667GHz Intel Core 2 Quad (64-bit, Linux) on problems from the benchmarks:

http://plato.asu.edu/ftp/milpf.html
http://plato.asu.edu/ftp/miqp.html

Times given are elapsed CPU times in seconds. "c" problem convex. AMPL/MPS input.

 
===========================================================
class  problem   c  Opter-1 Opter-2 Intel-1 Intel-2 Intel-4
===========================================================
MILP    bienst2  y     205      81     155      61      32 
            lrn  y     102      62      55      24      90
          mas74  y     499     410     304     129      69
         neos13  y     155     509      71     100     372
          neos5  y     257     548     186     104      32
       seymour1  y     293     230     159     106      68
-----------------------------------------------------------
MIQP   ibienst1       1696    1448    1124     519     243
         inug08  y    8315    4849    3013    1516    1821
         iqap10       1619     464     641     188     194
           isqp  y    5662    3603    1662    1028    2202
-----------------------------------------------------------
MIQQP  ibienst1        131      90      98      63      31
        imisc07        176     120     105      79      39
        imod011  y    9456    8401    5025    3602    3105
     inug06-3rd  y    7814   15480    4168    3260    3148
         inug08  y    4477    4308    2710    1519    1086
      iran13x13         37      46      26      11       6
===========================================================