Merge branch 'The-OpenROAD-Project:master' into master

docs/user/FlowVariables.md

@@ -134,7 +134,6 @@ Note:
 | `PLACE_SITE`          | Placement site for core cells defined in the technology LEF file.                                                                                                                |
 | `TAPCELL_TCL`         | Path to Endcap and Welltie cells file.                                                                                                                                           |
 | `RTLMP_FLOW`          | 1 to enable the Hierarchical RTLMP flow, default empty |
-| `MACRO_HALO`          | Specifies keep out distance from macro, in X and Y, to standard cell row.                                                                                                        |
 | `MACRO_PLACEMENT`     | Specifies the path of a file on how to place certain macros manually using read_macro_placement.                                                                                 |
 | `MACRO_PLACEMENT_TCL` | Specifies the path of a TCL file on how to place certain macros manually.                                                                                                        |
 | `MACRO_PLACE_HALO`    | horizontal/vertical halo around macros (microns). Used by automatic macro placement.                                                                               |
@@ -193,6 +192,7 @@ Note:
 | `DETAILED_ROUTE_ARGS` | Add additional arguments for debugging purpose during detail route.                               |
 | `MACRO_EXTENSION`     | Sets the number of GCells added to the blockages boundaries from macros.                          |
 | `RECOVER_POWER`       | Specifies how many percent of paths with positive slacks can be slowed for power savings [0-100]. |
+| `DETAILED_ROUTE_END_ITERATION` | Maximum number of iterations, default 64. |
 
 
 ### Extraction

docs/user/InstructionsForAutoTuner.md

@@ -27,6 +27,10 @@ We have provided two convenience scripts, `./install.sh` and `./setup.sh`
 that works in Python3.8 for installation and configuration of AutoTuner,
 as shown below:
 
+```{note}
+Make sure you run the following commands in `./tools/AutoTuner/src/autotuner`.
+```
+
 ```shell
 # Install prerequisites
 ./tools/AutoTuner/install.sh
@@ -127,8 +131,8 @@ Example:
 
 ```shell
 python3 distributed.py --design gcd --platform sky130hd \
-                       --config ../designs/sky130hd/gcd/autotuner.json \
-                       tune
+                       --config ../../../../flow/designs/sky130hd/gcd/autotuner.json \
+                       tune --samples 5
 ```
 #### Sweep only 
 

flow/Makefile

@@ -109,46 +109,6 @@ DESIGN_CONFIG ?= ./designs/nangate45/gcd/config.mk
 # this file.
 include $(DESIGN_CONFIG)
 
-# For instance Bazel needs artifacts (.odb and .rpt files) on a failure to
-# allow the user to save hours on re-running the failed step locally, but
-# when working with a Makefile flow, it is more natural to fail the step
-# and leave the user to manually inspect the logs and artifacts directly via
-# the file system.
-#
-# Set to 1 to change the behavior to generate artifacts upon failure to
-# e.g. do a global route. The exit code will still be non-zero on all other
-# failures that aren't covered by the "useful to inspect the artifacts on
-# failure" use-case.
-#
-# Example: just like detailed routing, a global route that fails with congestion, is not
-# a build failure(as in exit code non-zero), it is a successful(as in zero exit code)
-# global route that produce reports detailing the problem.
-#
-# Detailed route will not proceed, if there is global routing congestion
-#
-# This allows build systems, such as bazel, to create artifacts for global
-# and detailed route, even if the operation had problems, without having
-# know about the semantics between global and detailed route.
-#
-# Considering that global and detailed route can run for a long time and
-# use a lot of memory, this allows inspecting results on a laptop for
-# a build that ran on a server.
-export GENERATE_ARTIFACTS_ON_FAILURE ?= 0
-
-# Default TNS_END_PERCENT value for post CTS timing repair
-# Try fixing all violating endpoints by default (reduce to 5% for runtime)
-export TNS_END_PERCENT ?=100
-
-# Default routing layer adjustment
-export ROUTING_LAYER_ADJUSTMENT ?= 0.5
-export RECOVER_POWER ?= 0
-export SKIP_INCREMENTAL_REPAIR ?= 0
-export DETAILED_METRICS ?= 0
-export EQUIVALENCE_CHECK ?= 0
-export CORE_UTILIZATION ?=
-export DIE_AREA ?=
-export CORE_AREA ?=
-
 # If we are running headless use offscreen rendering for save_image
 ifeq ($(DISPLAY),)
 export QT_QPA_PLATFORM ?= offscreen
@@ -200,6 +160,8 @@ export UTILS_DIR     ?= $(FLOW_HOME)/util
 export SCRIPTS_DIR   ?= $(FLOW_HOME)/scripts
 export TEST_DIR      ?= $(FLOW_HOME)/test
 
+$(foreach line,$(shell $(SCRIPTS_DIR)/defaults.py),$(eval export $(line)))
+
 PUBLIC=nangate45 sky130hd sky130hs asap7 ihp-sg13g2 gf180
 
 ifneq ($(wildcard $(PLATFORM_HOME)/$(PLATFORM)),)
@@ -265,11 +227,6 @@ export OBJECTS_DIR = $(WORK_HOME)/objects/$(PLATFORM)/$(DESIGN_NICKNAME)/$(FLOW_
 export REPORTS_DIR = $(WORK_HOME)/reports/$(PLATFORM)/$(DESIGN_NICKNAME)/$(FLOW_VARIANT)
 export RESULTS_DIR = $(WORK_HOME)/results/$(PLATFORM)/$(DESIGN_NICKNAME)/$(FLOW_VARIANT)
 
-# BLOCKS is ORFS specific and is used to trigger hierarchical flow,
-# MACROS is a space separated list of macros used in the design,
-# but not necessarily built by ORFS using the BLOCKS mechanism.
-export MACROS ?= $(BLOCKS)
-
 ifneq ($(BLOCKS),)
   $(foreach block,$(BLOCKS),$(eval BLOCK_LEFS += ./results/$(PLATFORM)/$(DESIGN_NICKNAME)_$(block)/$(FLOW_VARIANT)/${block}.lef))
   $(foreach block,$(BLOCKS),$(eval BLOCK_LIBS += ./results/$(PLATFORM)/$(DESIGN_NICKNAME)_$(block)/$(FLOW_VARIANT)/${block}.lib))
@@ -285,6 +242,7 @@ ifneq ($(BLOCKS),)
   endif
 endif
 
+export RTLMP_FLOW ?= 1
 export RTLMP_RPT_DIR ?= $(OBJECTS_DIR)/rtlmp
 export RTLMP_RPT_FILE ?= partition.txt
 export RTLMP_BLOCKAGE_FILE ?= $(OBJECTS_DIR)/rtlmp/partition.txt.blockage

flow/designs/asap7/aes-block/block.mk

@@ -11,4 +11,3 @@ export CORE_MARGIN            = 2
 export PLACE_DENSITY          = 0.70
 
 export PLACE_PINS_ARGS = -annealing
-export HAS_IO_CONSTRAINTS = 0

flow/designs/asap7/aes-block/config.mk

@@ -15,10 +15,8 @@ export PLACE_DENSITY          = 0.65
 
 export BLOCKS ?= aes_rcon aes_sbox
 export SYNTH_HIERARCHICAL = 1
-export RTLMP_FLOW = 1
 
 export PLACE_PINS_ARGS = -annealing
-export HAS_IO_CONSTRAINTS = 0
 
 # Generous routing at top level
 export MIN_ROUTING_LAYER      = M2