Models: 110 MIPs from the GAMS LINLib
Solvers:
- 22.4.trc: CBC 1.1 from GAMS 22.4
- 22.5.trc: CBC 1.2pre from GAMS 22.5
- 22.7.trc: CBC 2.0 from GAMS 22.7
- 22.8.trc: CBC 2.1 from GAMS 22.8
- 22.9.trc: CBC 2.2 from 21.08.2008
CBC stable/2.2 rev. 1050; CLP stable/1.8 rev. 1262; Cgl stable/0.53 rev. 676; Osi stable/0.99 rev. 1288; CoinUtils stable/2.3 rev. 1070
compiled with flags "-DDISALLOW_PRINTING -DCLP_FAST_CODE -DCOIN_FAST_CODE -DCOIN_USE_RESTRICT -DNEW_STYLE_SOLVER=0"
Timelimit: 1800 seconds
Gap tolerance: 0
Platform:
- Intel Core 2 Duo CPU T7500, 2.2 GHz, 2 GB RAM
- Linux 2.6.22.18, SuSE Linux 10.3, 32 Bit
- gcc 4.2.1
Results
Remark: For GAMS 22.6 the GAMS/CBC interface was rewritten to make it behave closer to the (tuned) CBC standalone version.
Thus, many tweaks or heuristics already existing in CBC 1.1 and 1.2 were not used in the GAMS 22.4 and 22.5 versions.