Altera Quartus II Settings File User Manual
Page 698
PROGRAMMABLE_POWER_MAXIMUM_HIGH_SPEED_FRACTION_OF_USED_LAB_TI
LES
Sets an upper limit on the fraction of the LAB tiles used by your design that can be high-speed. Legal
values must be between 0.0 and 1.0. The default value is 1.0. A value of 1.0 means that there is no
restriction on the number of high-speed tiles, and the fitter will use the minimum number needed to meet
the timing requirements of your design. Specifying a value lower than 1.0 might degrade timing quality,
because some timing critical resources might be forced into low-power mode.
Type
String
Device Support
This setting can be used in projects targeting any Altera device family.
Notes
This assignment is included in the Fitter report.
Syntax
set_global_assignment -name PROGRAM-
MABLE_POWER_MAXIMUM_HIGH_SPEED_FRACTION_OF_USED_LAB_TILES
Default Value
1.0
698
PROGRAMMABLE_POWER_MAXIMUM_HIGH_SPEED_FRACTION_OF_USED_LAB_TIL
ES
MNL-Q21005
2015.05.04
Altera Corporation
Quartus Settings File Reference Manual
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