It takes about 8 minutes to finish PAR. ISE 6.1 SP#3 is about 10 minutes. The design is for a XC2VP40-FF1152 with pins and timings constrained and very little floor planning:
Device utilization summary:
Number of External DIFFMs 99 out of 344 28% Number of External DIFFSs 99 out of 344 28% Number of External IOBs 96 out of 692 13% Number of LOCed External IOBs 96 out of 96 100%
Number of MULT18X18s 188 out of 192 97% Number of RAMB16s 3 out of 192 1% Number of SLICEs 8139 out of 19392 41%
Number of BUFGMUXs 3 out of 16 18% Number of TBUFs 784 out of 9696 8%
-Qlyus