103 lines
3.4 KiB
Tcl
103 lines
3.4 KiB
Tcl
# Test comprehensive power analysis
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# Exercises: set_power_activity, report_power with various options, unset_power_activity
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read_liberty ../../test/sky130hd/sky130_fd_sc_hd__tt_025C_1v80.lib
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read_verilog power_test1.v
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link_design power_test1
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create_clock -name clk -period 10 [get_ports clk]
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set_input_delay -clock clk 0 [get_ports in1]
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set_output_delay -clock clk 0 [get_ports out1]
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#---------------------------------------------------------------
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# Basic power report
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#---------------------------------------------------------------
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puts "--- Basic power report ---"
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report_power
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#---------------------------------------------------------------
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# Set global activity and report
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#---------------------------------------------------------------
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puts "--- Power with global activity ---"
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set_power_activity -global -activity 0.5 -duty 0.5
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report_power
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#---------------------------------------------------------------
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# report_power -digits
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#---------------------------------------------------------------
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puts "--- Power with -digits 6 ---"
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report_power -digits 6
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report_power -digits 3
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#---------------------------------------------------------------
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# report_power -instances
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#---------------------------------------------------------------
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puts "--- Power for specific instances ---"
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report_power -instances [get_cells buf1]
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report_power -instances [get_cells reg1]
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report_power -instances [get_cells *]
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#---------------------------------------------------------------
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# report_power -instances with -digits
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#---------------------------------------------------------------
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puts "--- Instance power with -digits ---"
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report_power -instances [get_cells *] -digits 6
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#---------------------------------------------------------------
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# Set pin-specific activity and report
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#---------------------------------------------------------------
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puts "--- Power with pin activity ---"
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set_power_activity -pins [get_pins reg1/CLK] -activity 1.0 -duty 0.5
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report_power
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#---------------------------------------------------------------
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# Set input activity
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#---------------------------------------------------------------
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puts "--- Power with input activity ---"
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set_power_activity -input -activity 0.3 -duty 0.5
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report_power
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#---------------------------------------------------------------
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# Set input port-specific activity
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#---------------------------------------------------------------
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puts "--- Power with input_port activity ---"
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set_power_activity -input_ports [get_ports in1] -activity 0.2 -duty 0.5
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report_power
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#---------------------------------------------------------------
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# Unset activities
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#---------------------------------------------------------------
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puts "--- Unset activities ---"
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unset_power_activity -global
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report_power
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unset_power_activity -input
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report_power
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unset_power_activity -input_ports [get_ports in1]
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report_power
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unset_power_activity -pins [get_pins reg1/CLK]
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report_power
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#---------------------------------------------------------------
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# Power with density instead of activity
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#---------------------------------------------------------------
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puts "--- Power with density ---"
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set_power_activity -global -density 1e8 -duty 0.5
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report_power
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unset_power_activity -global
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#---------------------------------------------------------------
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# report_power -format json
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#---------------------------------------------------------------
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puts "--- Power JSON format ---"
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set_power_activity -global -activity 0.5 -duty 0.5
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report_power -format json
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report_power -instances [get_cells *] -format json
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