Merge pull request #8832 from gudeh/gpl-incremental-messages

eder-matheus · web-flow · commit 8fbfca34ac64 · 2025-11-12T16:40:55.000-03:00
gpl: new incremental messages
diff --git a/src/gpl/src/initialPlace.cpp b/src/gpl/src/initialPlace.cpp
@@ -93,7 +93,7 @@ void InitialPlace::doBicgstabPlace(int threads)
 
     if (std::isnan(error.x) || std::isnan(error.y)) {
       log_->warn(utl::GPL,
-                 154,
+                 325,
                  "Conjugate gradient initial placement solver failed at "
                  "iteration {}. ",
                  iter);
diff --git a/src/gpl/src/replace.cpp b/src/gpl/src/replace.cpp
@@ -133,32 +133,37 @@ void Replace::doIncrementalPlace(int threads)
   }
 
   // Lock down already placed objects
-  int locked_cnt = 0;
+  int placed_cnt = 0;
   int unplaced_cnt = 0;
   auto block = db_->getChip()->getBlock();
   for (auto inst : block->getInsts()) {
     auto status = inst->getPlacementStatus();
     if (status == odb::dbPlacementStatus::PLACED) {
       pbc_->dbToPb(inst)->lock();
-      ++locked_cnt;
+      ++placed_cnt;
     } else if (!status.isPlaced()) {
       ++unplaced_cnt;
     }
   }
 
+  log_->info(GPL, 154, "Identified {} placed instances", placed_cnt);
+  log_->info(GPL, 155, "Identified {} not placed instances", unplaced_cnt);
+
   if (unplaced_cnt == 0) {
     // Everything was already placed so we do the old incremental mode
     // which just skips initial placement and runs nesterov.
+    log_->info(GPL,
+               156,
+               "Identified all instances as placed. Unlocking all instances "
+               "and running nesterov from scratch.");
     for (auto& pb : pbVec_) {
       pb->unlockAll();
     }
-    // pbc_->unlockAll();
+
     doNesterovPlace(threads);
     return;
   }
 
-  log_->info(GPL, 132, "Locked {} instances", locked_cnt);
-
   // Roughly place the unplaced objects (allow more overflow).
   // Limit iterations to prevent objects drifting too far or
   // non-convergence.
@@ -174,7 +179,7 @@ void Replace::doIncrementalPlace(int threads)
   setNesterovPlaceMaxIter(previous_max_iter);
 
   // Finish the overflow resolution from the rough placement
-  log_->info(GPL, 133, "Unlocked instances");
+  log_->info(GPL, 133, "Unlocking all instances");
   for (auto& pb : pbVec_) {
     pb->unlockAll();
   }
@@ -422,6 +427,7 @@ void Replace::setInitialPlaceNetWeightScale(float scale)
 
 void Replace::setNesterovPlaceMaxIter(int iter)
 {
+  log_->info(GPL, 158, "Setting nesterov max iterations to {}", iter);
   nesterovPlaceMaxIter_ = iter;
   if (np_) {
     np_->setMaxIters(iter);
@@ -436,6 +442,7 @@ void Replace::setBinGridCnt(int binGridCntX, int binGridCntY)
 
 void Replace::setTargetOverflow(float overflow)
 {
+  log_->info(GPL, 157, "Setting target overflow to {}", overflow);
   overflow_ = overflow;
   if (np_) {
     np_->setTargetOverflow(overflow);
diff --git a/src/gpl/test/incremental01.ok b/src/gpl/test/incremental01.ok
@@ -24,6 +24,9 @@
 [INFO GPL-0019] Utilization:                    59.732 %
 [INFO GPL-0020] Standard cells area:           569.772 um^2
 [INFO GPL-0021] Large instances area:            0.000 um^2
+[INFO GPL-0154] Identified 294 placed instances
+[INFO GPL-0155] Identified 0 not placed instances
+[INFO GPL-0156] Identified all instances as placed. Unlocking all instances and running nesterov from scratch.
 [INFO GPL-0033] Initializing Nesterov region: Top-level
 [INFO GPL-0023] Placement target density:       0.7000
 [INFO GPL-0024] Movable insts average area:      1.938 um^2
diff --git a/src/gpl/test/incremental02.ok b/src/gpl/test/incremental02.ok
@@ -25,7 +25,9 @@
 [INFO GPL-0019] Utilization:                     4.976 %
 [INFO GPL-0020] Standard cells area:         44590.378 um^2
 [INFO GPL-0021] Large instances area:            0.000 um^2
-[INFO GPL-0132] Locked 16461 instances
+[INFO GPL-0154] Identified 16461 placed instances
+[INFO GPL-0155] Identified 4636 not placed instances
+[INFO GPL-0157] Setting target overflow to 0.2
 [INFO GPL-0005] Execute conjugate gradient initial placement.
 [InitialPlace]  Iter: 1 conjugate gradient residual: 0.00069966 HPWL: 2618966940
 [InitialPlace]  Iter: 2 conjugate gradient residual: 0.00074756 HPWL: 1353170173
@@ -56,6 +58,7 @@
 [INFO GPL-0028] Bin count (X, Y):         256 ,    256
 [INFO GPL-0029] Bin size (W * H):       3.905 *  3.505 um
 [INFO GPL-0030] Number of bins:                  65536
+[INFO GPL-0158] Setting nesterov max iterations to 300
 [INFO GPL-0007] Execute nesterov global placement.
 [INFO GPL-0031] HPWL: Half-Perimeter Wirelength
 Iteration | Overflow |     HPWL (um) |  HPWL(%) |   Penalty | Group
@@ -92,7 +95,9 @@ Iteration | Overflow |     HPWL (um) |  HPWL(%) |   Penalty | Group
       290 |   0.2826 |  6.492887e+05 |   +0.53% |  5.87e-09 |      
 [WARNING GPL-1010] GPL reached the maximum number of iterations for nesterov 300. Placement may have failed to converge.
 [INFO GPL-1014] Final placement area: 44590.38 (+0.00%)
-[INFO GPL-0133] Unlocked instances
+[INFO GPL-0158] Setting nesterov max iterations to 5000
+[INFO GPL-0133] Unlocking all instances
+[INFO GPL-0157] Setting target overflow to 0.1
 [INFO GPL-0007] Execute nesterov global placement.
       310 |   0.4877 |  5.749228e+05 |  -11.45% |  1.12e-08 |      
       320 |   0.4422 |  5.772637e+05 |   +0.41% |  1.49e-08 |      
diff --git a/src/gpl/test/simple08.ok b/src/gpl/test/simple08.ok
@@ -8,6 +8,7 @@ To avoid this warning in the future, remove this statement from the LEF file wit
 [INFO ODB-0131]     Created 32 components and 116 component-terminals.
 [INFO ODB-0132]     Created 2 special nets and 114 connections.
 [INFO ODB-0133]     Created 2 nets and 2 connections.
+[INFO GPL-0157] Setting target overflow to 0.2
 [INFO GPL-0005] Execute conjugate gradient initial placement.
 [INFO GPL-0002] DBU: 1000
 [INFO GPL-0003] SiteSize: (  0.460  2.720 ) um
diff --git a/src/odb/test/replace_hier_mod1.ok b/src/odb/test/replace_hier_mod1.ok
@@ -136,7 +136,9 @@ Repair timing output passed/skipped equivalence test
 [INFO GPL-0019] Utilization:                     0.125 %
 [INFO GPL-0020] Standard cells area:            59.850 um^2
 [INFO GPL-0021] Large instances area:            0.000 um^2
-[INFO GPL-0132] Locked 19 instances
+[INFO GPL-0154] Identified 19 placed instances
+[INFO GPL-0155] Identified 2 not placed instances
+[INFO GPL-0157] Setting target overflow to 0.2
 [INFO GPL-0005] Execute conjugate gradient initial placement.
 [InitialPlace]  Iter: 1 conjugate gradient residual: 0.00000006 HPWL: 2671580
 [InitialPlace]  Iter: 2 conjugate gradient residual: 0.00000006 HPWL: 280697
@@ -152,6 +154,7 @@ Repair timing output passed/skipped equivalence test
 [INFO GPL-0028] Bin count (X, Y):          16 ,    256
 [INFO GPL-0029] Bin size (W * H):       2.494 *  4.687 um
 [INFO GPL-0030] Number of bins:                   4096
+[INFO GPL-0158] Setting nesterov max iterations to 300
 [INFO GPL-0007] Execute nesterov global placement.
 [INFO GPL-0031] HPWL: Half-Perimeter Wirelength
 Iteration | Overflow |     HPWL (um) |  HPWL(%) |   Penalty | Group
@@ -189,7 +192,9 @@ Iteration | Overflow |     HPWL (um) |  HPWL(%) |   Penalty | Group
 [INFO GPL-1008]     - For 80% usage of free space: 0.0016
 [INFO GPL-1009]     - For 50% usage of free space: 0.0025
 [INFO GPL-1014] Final placement area: 59.85 (+0.00%)
-[INFO GPL-0133] Unlocked instances
+[INFO GPL-0158] Setting nesterov max iterations to 5000
+[INFO GPL-0133] Unlocking all instances
+[INFO GPL-0157] Setting target overflow to 0.1
 [INFO GPL-0007] Execute nesterov global placement.
 [INFO GPL-1014] Final placement area: 59.85 (+0.00%)
 Placement Analysis
@@ -291,7 +296,9 @@ Repair timing output passed/skipped equivalence test
 [INFO GPL-0019] Utilization:                     0.126 %
 [INFO GPL-0020] Standard cells area:            60.382 um^2
 [INFO GPL-0021] Large instances area:            0.000 um^2
-[INFO GPL-0132] Locked 19 instances
+[INFO GPL-0154] Identified 19 placed instances
+[INFO GPL-0155] Identified 2 not placed instances
+[INFO GPL-0157] Setting target overflow to 0.2
 [INFO GPL-0005] Execute conjugate gradient initial placement.
 [InitialPlace]  Iter: 1 conjugate gradient residual: 0.00000006 HPWL: 2635900
 [InitialPlace]  Iter: 2 conjugate gradient residual: 0.00000008 HPWL: 255081
@@ -307,6 +314,7 @@ Repair timing output passed/skipped equivalence test
 [INFO GPL-0028] Bin count (X, Y):          16 ,    256
 [INFO GPL-0029] Bin size (W * H):       2.494 *  4.687 um
 [INFO GPL-0030] Number of bins:                   4096
+[INFO GPL-0158] Setting nesterov max iterations to 300
 [INFO GPL-0007] Execute nesterov global placement.
 [INFO GPL-0031] HPWL: Half-Perimeter Wirelength
 Iteration | Overflow |     HPWL (um) |  HPWL(%) |   Penalty | Group
@@ -323,7 +331,9 @@ Iteration | Overflow |     HPWL (um) |  HPWL(%) |   Penalty | Group
 [INFO GPL-1008]     - For 80% usage of free space: 0.0016
 [INFO GPL-1009]     - For 50% usage of free space: 0.0025
 [INFO GPL-1014] Final placement area: 60.38 (+0.00%)
-[INFO GPL-0133] Unlocked instances
+[INFO GPL-0158] Setting nesterov max iterations to 5000
+[INFO GPL-0133] Unlocking all instances
+[INFO GPL-0157] Setting target overflow to 0.1
 [INFO GPL-0007] Execute nesterov global placement.
 [INFO GPL-1014] Final placement area: 60.38 (+0.00%)
 Placement Analysis
@@ -425,7 +435,9 @@ Repair timing output passed/skipped equivalence test
 [INFO GPL-0019] Utilization:                     0.125 %
 [INFO GPL-0020] Standard cells area:            59.850 um^2
 [INFO GPL-0021] Large instances area:            0.000 um^2
-[INFO GPL-0132] Locked 19 instances
+[INFO GPL-0154] Identified 19 placed instances
+[INFO GPL-0155] Identified 2 not placed instances
+[INFO GPL-0157] Setting target overflow to 0.2
 [INFO GPL-0005] Execute conjugate gradient initial placement.
 [InitialPlace]  Iter: 1 conjugate gradient residual: 0.00000004 HPWL: 2635880
 [InitialPlace]  Iter: 2 conjugate gradient residual: 0.00000012 HPWL: 239523
@@ -441,6 +453,7 @@ Repair timing output passed/skipped equivalence test
 [INFO GPL-0028] Bin count (X, Y):          16 ,    256
 [INFO GPL-0029] Bin size (W * H):       2.494 *  4.687 um
 [INFO GPL-0030] Number of bins:                   4096
+[INFO GPL-0158] Setting nesterov max iterations to 300
 [INFO GPL-0007] Execute nesterov global placement.
 [INFO GPL-0031] HPWL: Half-Perimeter Wirelength
 Iteration | Overflow |     HPWL (um) |  HPWL(%) |   Penalty | Group
@@ -457,7 +470,9 @@ Iteration | Overflow |     HPWL (um) |  HPWL(%) |   Penalty | Group
 [INFO GPL-1008]     - For 80% usage of free space: 0.0016
 [INFO GPL-1009]     - For 50% usage of free space: 0.0025
 [INFO GPL-1014] Final placement area: 59.85 (+0.00%)
-[INFO GPL-0133] Unlocked instances
+[INFO GPL-0158] Setting nesterov max iterations to 5000
+[INFO GPL-0133] Unlocking all instances
+[INFO GPL-0157] Setting target overflow to 0.1
 [INFO GPL-0007] Execute nesterov global placement.
 [INFO GPL-1014] Final placement area: 59.85 (+0.00%)
 Placement Analysis
