The following example reports the 20 worst bottleneck cells in the design based on the number of paths through the cell with slack less than 0.0.
pt_shell> report_bottleneck
****************************************
Report : bottleneck
-max_cells 20
-nworst_paths 100
Design : example
...
****************************************
Bottleneck Cost = Number of violating paths through cell
Bottleneck
Cell Reference Cost
--------------------------------------------------------------
ipxr/ir1/i2/i0/u3 DFF1A 39656.00
ipxr/ir1/U14 INV2 39654.00
ipxr/ir1/U16 INV8 39654.00
ipxr/ir1/i2/i0/u4 DFF1A 31806.00
ipxr/ir1/U15 BUF8B 31804.00
ipxr/U1712 MUX2I 23999.00
ipxr/U558 INV4 23999.00
ipxr/U1370 NAN4 22485.00
ipxr/x01 INV2 22485.00
dmac/BufEn BUF3 22485.00
dmac/U574 INV 22485.00
ipxr/U1335 NAN6CH 21844.00
ipxr/U564 MUX2I 20074.00
ipxr/U1694 MUX2A 19936.00
ipxr/U1559 BUF2C 14785.00
ipxr/U1484 MUX2I 14252.00
ipxr/U1486 MUX2I 12468.00
SccMOD/U929 OR3 12135.00
ipxr/U1493 MUX2I 11248.00
dmac/BiuSMOD/U879 NAN2 10949.00
No comments:
Post a Comment