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----------------------------------------------------------------2-10 Synopsys Inc. 1988-2005. All rights reserved. x2005.09Command Reference 2. Synopsys Commands report_timing z2 3.41 f 0.00 -3.41 z3 3.03 f 0.00 -3.03 z4 2.77 f 0.00 -2.77 z6 2.69 r 0.00 -2.69 z0 2.59 f 0.00 -2.59 z1 2.37 f 0.00 -2.37 z5 2.26 f 0.00 -2.26 The following example reports the start and end points of the path from a to z2: prompt> report_timing -from a -to z2 -path short **************************************** Report : timing -path short -delay max -max_paths 1 Design : led Version: v3.1a Date : Tue Apr 7 16:29:40 1992 **************************************** Operating Conditions: Wire Loading Model Mode: top Startpoint: a (input port) Endpoint: z2 (output port) Path Group: default Path Type: max Point Incr Path ----------------------------------------------------------- input external delay 0.00 0.00 f a (in) 0.00 0.00 f ... z2 (out) 1.24 1.24 f data arrival time 1.24 max_delay 0.00 0.00 output external delay 0.00 0.00 data required time 0.00 ----------------------------------------------------------- data required time 0.00 data arrival time -1.24 ----------------------------------------------------------- slack (VIOLATED) -1.24 The following example shows input pins in the report, in addition to the default values:x2005.09 Synopsys Inc. 1988-2005. All rights reserved. 2-11report_timing 2. Synopsys Commands Command Reference prompt> report_timing -input_pins **************************************** Report : timing -path full -delay max -input_pins -max_paths 1 Design : led Version: v3.1a Date : Tue Apr 7 16:32:28 1992 **************************************** Operating Conditions: Wire Loading Model Mode: top Startpoint: c (input port) Endpoint: z2 (output port) Path Group: default Path Type: max Point Incr Path ----------------------------------------------------------- input external delay 0.00 0.00 r c (in) 0.00 0.00 r u1/A (IVA) 0.00 0.00 r u1/Z (IVA) 0.54 0.54 f u0/A (NR2) 0.00 0.54 f u0/Z (NR2) 1.20 1.74 r u8/A (IVA) 0.00 1.74 r u8/Z (IVA) 0.43 2.17 f u7/B (OR3) 0.00 2.17 f u7/Z (OR3) 1.24 3.41 f z2 (out) 0.00 3.41 f data arrival time 3.41 max_delay 0.00 0.00 output external delay 0.00 0.00 data required time 0.00 ----------------------------------------------------------- data required time 0.00 data arrival time -3.41 ----------------------------------------------------------- slack (VIOLATED) -3.41 The following example shows input pins and nets in the report, and does not show required time and slack calculation: prompt> report_timing -input_pins -nets -path only ****************************************2-12 Synopsys Inc. 1988-2005. All rights reserved. x2005.09Command Reference 2. Synopsys Commands report_timing Report : timing -path only -delay max -input_pins -nets -max_paths 1 Design : led Version: v3.1a Date : Tue Apr 7 16:34:20 1992 **************************************** Operating Conditions: Wire Loading Model Mode: top Startpoint: c (input port) Endpoint: z2 (output port) Path Group: default Path Type: max Point Incr Path ----------------------------------------------------------- input external delay 0.00 0.00 r c (in) 0.00 0.00 r c (net) 0.00 0.00 r u1/A (IVA) 0.00 0.00 r u1/Z (IVA) 0.54 0.54 f cell24/n22 (net) 0.00 0.54 f u0/A (NR2) 0.00 0.54 f u0/Z (NR2) 1.20 1.74 r cell24/n21 (net) 0.00 1.74 r u8/A (IVA) 0.00 1.74 r u8/Z (IVA) 0.43 2.17 f cell24/n19 (net) 0.00 2.17 f u7/B (OR3) 0.00 2.17 f u7/Z (OR3) 1.24 3.41 f z2 (net) 0.00 3.41 f z2 (out) 0.00 3.41 f data arrival time 3.41 ----------------------------------------------------------- The following example reports the longest true paths in the design. prompt> report_timing -true **************************************** Report : timing -path full -delay max -true -max_paths 1x2005.09 Synopsys Inc. 1988-2005. All rights reserved. 2-13report_timing 2. Synopsys Commands Command Reference Design : led Version: v3.1-development Date : Fri Jan 21 18:42:18 1994 **************************************** Operating Conditions: Wire Loading Model Mode: top Startpoint: c (input port) Endpoint: z2 (output port) Path Group: default Path Type: max Point Incr Path ----------------------------------------------------------- input external delay 0.00 0.00 r c (in) 0.00 0.00 r u1/Z (IVA) 0.54 0.54 f u0/Z (NR2) 1.20 1.74 r u8/Z (IVA) 0.43 2.17 f u7/Z (OR3) 1.24 3.41 f z2 (out) 0.00 3.41 f data arrival time 3.41 max_delay 0.00 0.00 output external delay 0.00 0.00 data required time 0.00 ----------------------------------------------------------- data required time 0.00 data arrival time -3.41 ----------------------------------------------------------- slack (VIOLATED) -3.41 True-delay Input Vector --------------------------------------- d (in) 0 a (in) 0 b (in) 0 c (in) r ---------------------------------------SEE ALSO report_constraint(2) set_operating_conditions(2) set_timing_derate(2) set_timing_ranges(2) set_true_delay_case_analysis(2) set_wire_load_min_block_size(2) set_wire_load_mode(2) set_wire_load_model(2)2-14 Synopsys Inc. 1988-2005. All rights reserved. x2005.09Command Reference 2. Synopsys Commands report_timing set_wire_load_selection_group(2) report_default_significant_digits(3) timing_report_attributes(3) true_delay_prove_false_backtrack_limit(3) true_delay_prove_true_backtrack_limit(3)x2005.09 Synopsys Inc. 1988-2005. All rights reserved. 2-15⌨️ 快捷键说明
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