Merge remote-tracking branch 'private/master' into dpl-cell-height

Author: gudeh

.github/workflows/github-actions-check-bazel-lock.yml

@@ -12,5 +12,16 @@ jobs:
       - name: Check out repository code
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd  # v6.0.2
 
-      - name: Verify lock file is up to date
-        run: bazelisk mod deps --lockfile_mode=error
+      - name: Update lock file to check for differences
+        run: |
+          cp MODULE.bazel MODULE.bazel.before
+          bazelisk mod deps --lockfile_mode=update
+
+      - name: Differences to be adressed
+        run: |
+          if ! diff MODULE.bazel.before MODULE.bazel ; then
+            echo "Run"
+            echo "bazelisk mod deps --lockfile_mode=update"
+            echo "and update pull request"
+            exit 1
+          fi

CMakeLists.txt

@@ -21,12 +21,6 @@ cmake_policy(SET CMP0074 NEW)
 # critical for builds in non-standard environments.
 cmake_policy(SET CMP0144 NEW)
 
-if(CMAKE_VERSION VERSION_GREATER_EQUAL "3.27")
-  # Disallows <PACKAGENAME>_ROOT in find_package.
-  # TODO: resolve absl/or-tools issue and switch to NEW
-  cmake_policy(SET CMP0144 OLD)
-endif()
-
 # Allow AUTOUIC on generated source
 cmake_policy(SET CMP0071 NEW)
 

etc/DependencyInstaller.sh

@@ -63,8 +63,9 @@ LEMON_VERSION="1.3.1"
 SPDLOG_VERSION="1.15.0"
 GTEST_VERSION="1.17.0"
 GTEST_CHECKSUM="3471f5011afc37b6555f6619c14169cf"
-ABSL_VERSION="20260107.0"
-ABSL_CHECKSUM="2a7add2ee848dd4591f41b0f6339d624"
+# Match the Abseil version bundled in prebuilt or-tools ${OR_TOOLS_VERSION_BIG}.
+ABSL_VERSION="20250512.0"
+ABSL_CHECKSUM="ecd64c3c38b20335c48e1ede28a8db90"
 BISON_VERSION="3.8.2"
 BISON_CHECKSUM="1e541a097cda9eca675d29dd2832921f"
 FLEX_VERSION="2.6.4"
@@ -674,20 +675,28 @@ _install_abseil() {
     local absl_prefix_found=""
     local absl_version_file=""
 
-    # Check in default/user-specified prefix first
-    local absl_version_file_default="${absl_prefix_install}/lib/cmake/absl/abslConfigVersion.cmake"
-    if [[ -f "${absl_version_file_default}" ]]; then
-        absl_prefix_found="${absl_prefix_install}"
-        absl_version_file="${absl_version_file_default}"
-    fi
+    # Check in default/user-specified prefix first (lib64 on RHEL, lib elsewhere).
+    for absl_version_file_default in \
+        "${absl_prefix_install}/lib64/cmake/absl/abslConfigVersion.cmake" \
+        "${absl_prefix_install}/lib/cmake/absl/abslConfigVersion.cmake"; do
+        if [[ -f "${absl_version_file_default}" ]]; then
+            absl_prefix_found="${absl_prefix_install}"
+            absl_version_file="${absl_version_file_default}"
+            break
+        fi
+    done
 
     # If not found, check in or-tools path
     if [[ -z "${absl_prefix_found}" && -n "${OR_TOOLS_PATH}" ]]; then
-        local absl_version_file_or_tools="${OR_TOOLS_PATH}/lib/cmake/absl/abslConfigVersion.cmake"
-        if [[ -f "${absl_version_file_or_tools}" ]]; then
-            absl_prefix_found="${OR_TOOLS_PATH}"
-            absl_version_file="${absl_version_file_or_tools}"
-        fi
+        for absl_version_file_or_tools in \
+            "${OR_TOOLS_PATH}/lib64/cmake/absl/abslConfigVersion.cmake" \
+            "${OR_TOOLS_PATH}/lib/cmake/absl/abslConfigVersion.cmake"; do
+            if [[ -f "${absl_version_file_or_tools}" ]]; then
+                absl_prefix_found="${OR_TOOLS_PATH}"
+                absl_version_file="${absl_version_file_or_tools}"
+                break
+            fi
+        done
     fi
 
     local absl_installed_version="none"
@@ -709,6 +718,14 @@ _install_abseil() {
             _execute "Building and installing Abseil..." "${cmake_bin}" --build build --target install
         )
         absl_prefix_found="${absl_prefix_install}"
+        for absl_version_file_default in \
+            "${absl_prefix_install}/lib64/cmake/absl/abslConfigVersion.cmake" \
+            "${absl_prefix_install}/lib/cmake/absl/abslConfigVersion.cmake"; do
+            if [[ -f "${absl_version_file_default}" ]]; then
+                absl_version_file="${absl_version_file_default}"
+                break
+            fi
+        done
         INSTALL_SUMMARY+=("Abseil: system=${absl_installed_version}, required=${required_version}, path=${absl_prefix_found}, status=installed")
     else
         INSTALL_SUMMARY+=("Abseil: system=${absl_installed_version}, required=${required_version}, path=${absl_prefix_found}, status=skipped")

src/cts/test/buffer_ports.def

@@ -1,76 +1,8 @@
 [INFO ODB-0227] LEF file: Nangate45/Nangate45.lef, created 22 layers, 27 vias, 135 library cells
-[INFO IFP-0001] Added 714 rows of 5263 site FreePDK45_38x28_10R_NP_162NW_34O.
-[INFO IFP-0100] Die BBox:  (  0.000  0.000 ) ( 1000.000 1000.000 ) um
-[INFO IFP-0101] Core BBox: (  0.000  0.000 ) ( 999.970 999.600 ) um
-[INFO IFP-0102] Core area:                       999570.012 um^2
-[INFO IFP-0103] Total instances area:               111.454 um^2
-[INFO IFP-0104] Effective utilization:                0.000
-[INFO IFP-0105] Number of instances:                     68
-[INFO RSZ-0026] Removed 5 buffers.
-[INFO RSZ-0027] Inserted 9 BUF_X1 input buffers.
-[INFO RSZ-0028] Inserted 9 BUF_X1 output buffers.
-Found 0 macro blocks.
-Using 2 tracks default min distance between IO pins.
-[INFO PPL-0001] Number of available slots 12380
-[INFO PPL-0002] Number of I/O             19
-[INFO PPL-0003] Number of I/O w/sink      19
-[INFO PPL-0004] Number of I/O w/o sink    0
-[INFO PPL-0005] Slots per section         200
-[INFO PPL-0008] Successfully assigned pins to sections.
-[INFO PPL-0012] I/O nets HPWL: 1057.01 um.
-[INFO GPL-0001] ---- Initialize GPL Main Data Structures
-[INFO GPL-0002] DBU: 2000
-[INFO GPL-0003] SiteSize: (  0.190  1.400 ) um
-[INFO GPL-0004] CoreBBox: (  0.000  0.000 ) ( 999.970 999.600 ) um
-[INFO GPL-0036] Movable instances area:        121.562 um^2
-[INFO GPL-0037] Total instances area:          121.562 um^2
-[INFO GPL-0035] Pin density area adjust:         7.987 um^2
-[INFO GPL-0032] ---- Initialize Region: Top-level
-[INFO GPL-0006] Number of instances:                81
-[INFO GPL-0007] Movable instances:                  81
-[INFO GPL-0008] Fixed instances:                     0
-[INFO GPL-0009] Dummy instances:                     0
-[INFO GPL-0010] Number of nets:                    107
-[INFO GPL-0011] Number of pins:                    281
-[INFO GPL-0012] Die BBox:  (  0.000  0.000 ) ( 1000.000 1000.000 ) um
-[INFO GPL-0013] Core BBox: (  0.000  0.000 ) ( 999.970 999.600 ) um
-[INFO GPL-0016] Core area:                  999570.012 um^2
-[INFO GPL-0014] Region name: top-level.
-[INFO GPL-0015] Region area:                999570.012 um^2
-[INFO GPL-0017] Fixed instances area:            0.000 um^2
-[INFO GPL-0018] Movable instances area:        129.549 um^2
-[INFO GPL-0019] Utilization:                     0.013 %
-[INFO GPL-0020] Standard cells area:           129.549 um^2
-[INFO GPL-0021] Large instances area:            0.000 um^2
-[INFO GPL-0005] ---- Execute Conjugate Gradient Initial Placement.
-[INFO GPL-0051] Source of initial instance position counters:
-	Odb location = 18	Core center = 63	Region center = 0
-[InitialPlace]  Iter: 1 conjugate gradient residual: 0.00000006 HPWL: 1722700
-[InitialPlace]  Iter: 2 conjugate gradient residual: 0.00000005 HPWL: 8121024
-[InitialPlace]  Iter: 3 conjugate gradient residual: 0.00000011 HPWL: 2164788
-[InitialPlace]  Iter: 4 conjugate gradient residual: 0.00000010 HPWL: 1701248
-[InitialPlace]  Iter: 5 conjugate gradient residual: 0.00000007 HPWL: 1688200
-[INFO DPL-0006] Core area: 999570.01 um^2, Instances area: 121.56 um^2, Utilization: 0.0%
-[INFO DPL-0005] Diamond search max displacement: +/- 500 sites horizontally, +/- 100 rows vertically.
-[INFO DPL-1101] Legalizing using diamond search.
-Movements Summary
----------------------------------------
-Total cells:                      81
-Diamond Move Success:             81 (100.00%)
-Diamond Move Failure:              0
-Rip-up and replace Success:        0 (  0.00% of diamond failures)
-Rip-up and replace Failure:        0
-Total Placement Failures:          0
----------------------------------------
-Placement Analysis
----------------------------------
-total displacement        798.6 u
-average displacement        9.9 u
-max displacement           13.0 u
-original HPWL             573.2 u
-legalized HPWL           1628.1 u
-delta HPWL                  184 %
-
+[INFO ODB-0128] Design: clk_passthrough_top
+[INFO ODB-0130]     Created 19 pins.
+[INFO ODB-0131]     Created 81 components and 424 component-terminals.
+[INFO ODB-0133]     Created 107 nets and 262 connections.
 [INFO CTS-0050] Root buffer is BUF_X1.
 [INFO CTS-0051] Sink buffer is BUF_X1.
 [INFO CTS-0052] The following clock buffers will be used for CTS:

src/cts/test/buffer_ports.ok

@@ -1,27 +1,12 @@
+# Test CTS design with input/output port buffers on passthrough top design
 source "helpers.tcl"
 
 source Nangate45/Nangate45.vars
 read_liberty Nangate45/Nangate45_typ.lib
 read_lef Nangate45/Nangate45.lef
-read_verilog buffer_ports.v
-
-link_design clk_passthrough_top
-
+read_def buffer_ports.def
 read_sdc buffer_ports.sdc
 
-initialize_floorplan -die_area "0 0 1000 1000" -core_area "0 0 1000 1000" \
-  -site FreePDK45_38x28_10R_NP_162NW_34O
-#make_io_sites -horizontal_site IOSITE -vertical_site IOSITE -corner_site IOSITE -offset 15
-source $tracks_file
-
-remove_buffers
-buffer_ports
-
-place_pins -hor_layers $io_placer_hor_layer \
-  -ver_layers $io_placer_ver_layer
-global_placement -skip_nesterov_place
-detailed_placement
-
 
 source Nangate45/Nangate45.rc
 source $layer_rc_file