Skip to content

Add variable for move sequence selection. #3182

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
maliberty merged 3 commits into from
Jun 7, 2025
Merged

Add variable for move sequence selection. #3182

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
cd8df93
Add variable for move sequence selection.
mguthaus May 7, 2025
d1c66b8
Document SETUP_MOVE_SEQUENCE option
mguthaus May 24, 2025
5af6310
Change variable to SETUP_REPAIR_SEQUENCE
mguthaus May 28, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
4 changes: 4 additions & 0 deletions docs/user/FlowVariables.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -171,6 +171,7 @@ configuration file.
| <a name="SDC_FILE"></a>SDC_FILE| The path to design constraint (SDC) file.| | |
| <a name="SDC_GUT"></a>SDC_GUT| Load design and remove all internal logic before doing synthesis. This is useful when creating a mock .lef abstract that has a smaller area than the amount of logic would allow. bazel-orfs uses this to mock SRAMs, for instance.| | |
| <a name="SEAL_GDS"></a>SEAL_GDS| Seal macro to place around the design.| | |
| <a name="SETUP_REPAIR_SEQUENCE"></a>SETUP_REPAIR_SEQUENCE| Specifies the sequence of moves to do in repair_timing -setup. This should be a string of move keywords separated by commas such as the default when not used: "unbuffer,sizedown,sizeup,swap,buffer,clone,split".| | |
| <a name="SETUP_SLACK_MARGIN"></a>SETUP_SLACK_MARGIN| Specifies a time margin for the slack when fixing setup violations. This option allows you to overfix or underfix(negative value, terminate retiming before 0 or positive slack). See HOLD_SLACK_MARGIN for more details.| 0| |
| <a name="SET_RC_TCL"></a>SET_RC_TCL| Metal & Via RC definition file path.| | |
| <a name="SKIP_CTS_REPAIR_TIMING"></a>SKIP_CTS_REPAIR_TIMING| Skipping CTS repair, which can take a long time, can be useful in architectural exploration or when getting CI up and running.| | |
Expand Down Expand Up @@ -277,6 +278,7 @@ configuration file.
- [RTLMP_RPT_DIR](#RTLMP_RPT_DIR)
- [RTLMP_SIGNATURE_NET_THRESHOLD](#RTLMP_SIGNATURE_NET_THRESHOLD)
- [RTLMP_WIRELENGTH_WT](#RTLMP_WIRELENGTH_WT)
- [SETUP_REPAIR_SEQUENCE](#SETUP_REPAIR_SEQUENCE)
- [SETUP_SLACK_MARGIN](#SETUP_SLACK_MARGIN)
- [SKIP_GATE_CLONING](#SKIP_GATE_CLONING)
- [SKIP_LAST_GASP](#SKIP_LAST_GASP)
Expand Down Expand Up @@ -323,6 +325,7 @@ configuration file.
- [POST_CTS_TCL](#POST_CTS_TCL)
- [REMOVE_CELLS_FOR_EQY](#REMOVE_CELLS_FOR_EQY)
- [REPORT_CLOCK_SKEW](#REPORT_CLOCK_SKEW)
- [SETUP_REPAIR_SEQUENCE](#SETUP_REPAIR_SEQUENCE)
- [SETUP_SLACK_MARGIN](#SETUP_SLACK_MARGIN)
- [SKIP_CTS_REPAIR_TIMING](#SKIP_CTS_REPAIR_TIMING)
- [SKIP_GATE_CLONING](#SKIP_GATE_CLONING)
Expand All @@ -341,6 +344,7 @@ configuration file.
- [MIN_ROUTING_LAYER](#MIN_ROUTING_LAYER)
- [REPORT_CLOCK_SKEW](#REPORT_CLOCK_SKEW)
- [ROUTING_LAYER_ADJUSTMENT](#ROUTING_LAYER_ADJUSTMENT)
- [SETUP_REPAIR_SEQUENCE](#SETUP_REPAIR_SEQUENCE)
- [SETUP_SLACK_MARGIN](#SETUP_SLACK_MARGIN)
- [SKIP_GATE_CLONING](#SKIP_GATE_CLONING)
- [SKIP_INCREMENTAL_REPAIR](#SKIP_INCREMENTAL_REPAIR)
Expand Down
1 change: 1 addition & 0 deletions flow/scripts/util.tcl
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -31,6 +31,7 @@ proc repair_timing_helper { {hold_margin 1} } {
if {$hold_margin || $::env(HOLD_SLACK_MARGIN) < 0} {
append_env_var additional_args HOLD_SLACK_MARGIN -hold_margin 1
}
append_env_var additional_args SETUP_MOVE_SEQUENCE -sequence 1
Comment thread
mguthaus marked this conversation as resolved.
append_env_var additional_args TNS_END_PERCENT -repair_tns 1
append_env_var additional_args SKIP_PIN_SWAP -skip_pin_swap 0
append_env_var additional_args SKIP_GATE_CLONING -skip_gate_cloning 0
Expand Down
9 changes: 9 additions & 0 deletions flow/scripts/variables.yaml
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -484,6 +484,15 @@ SETUP_SLACK_MARGIN:
- floorplan
- grt
default: 0
SETUP_REPAIR_SEQUENCE:
description: |
Specifies the sequence of moves to do in repair_timing -setup. This should be a string
of move keywords separated by commas such as the default when not used:
"unbuffer,sizedown,sizeup,swap,buffer,clone,split".
stages:
- cts
- floorplan
- grt
SKIP_GATE_CLONING:
description: >
Do not use gate cloning transform to fix timing violations (default: use
Expand Down