Version abc70930

1 files changed, 0 insertions, 277 deletions

diff --git a/src/phys/place/place_bin.c b/src/phys/place/place_bin.c
deleted file mode 100644
index 86ec3506..00000000
--- a/src/phys/place/place_bin.c
+++ /dev/null
@@ -1,277 +0,0 @@
-/*===================================================================*/
-//  
-//     place_bin.c
-//
-//        Aaron P. Hurst, 2007
-//              ahurst@eecs.berkeley.edu
-//
-/*===================================================================*/
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <limits.h>
-#include <assert.h>
-
-//#define DEBUG
-
-#include "place_base.h"
-
-// --------------------------------------------------------------------
-// Global variables
-//
-// --------------------------------------------------------------------
-
-
-// --------------------------------------------------------------------
-// Function prototypes and local data structures
-//
-// --------------------------------------------------------------------
-
-void spreadDensityX(int numBins, float maxMovement);
-void spreadDensityY(int numBins, float maxMovement);
-
-
-// --------------------------------------------------------------------
-// globalFixDensity()
-//
-/// Doesn't deal well with fixed cells in the core area.
-// --------------------------------------------------------------------
-void globalFixDensity(int numBins, float maxMovement) {
-  
-  printf("QCLN-10 : \tbin-based density correction\n");
-    
-  spreadDensityX(numBins, maxMovement);
-  // spreadDensityY(numBins, maxMovement);
-}
-
-
-// --------------------------------------------------------------------
-// spreadDensityX()
-//
-// --------------------------------------------------------------------
-void spreadDensityX(int numBins, float maxMovement) {
-
-  int c, c2, c3, x, y;
-  float totalArea = 0;
-  int moveableCells = 0;
-  float yBinArea = 0,  yCumArea = 0;
-  int   yBinStart = 0, yBinCount = 0;
-  int  xBinCount, xBinStart;
-  float xBinArea, xCumArea;
-  float lastOldEdge;
-  float lastNewEdge;
-  float curOldEdge, curNewEdge;
-  float stretch, w;
-  ConcreteCell *xCell, *yCell;
-  ConcreteCell **binCells;
-  ConcreteCell **allCells;
-
-  binCells = (ConcreteCell **)malloc(sizeof(ConcreteCell*)*g_place_numCells);
-  allCells = (ConcreteCell **)malloc(sizeof(ConcreteCell*)*g_place_numCells);
-
-  for(c=0; c<g_place_numCells; c++) if (g_place_concreteCells[c]) {
-    ConcreteCell *cell =  g_place_concreteCells[c];
-    if (!cell->m_fixed && !cell->m_parent->m_pad) {
-      allCells[moveableCells++] = cell;
-      totalArea += getCellArea(cell);
-    }
-  }
-  
-  // spread X
-  qsort(allCells, moveableCells, sizeof(ConcreteCell*), cellSortByY);
-
-  y = 0;
-
-  // for each y-bin...
-  for(c=0; c<moveableCells; c++) {
-    yCell = allCells[c];
-    yBinArea += getCellArea(yCell);
-    yCumArea += getCellArea(yCell);
-    yBinCount++;
-
-    // have we filled up a y-bin?
-    if (yCumArea >= totalArea*(y+1)/numBins && yBinArea > 0) {
-      memcpy(binCells, &(allCells[yBinStart]), sizeof(ConcreteCell*)*yBinCount);
-      qsort(binCells, yBinCount, sizeof(ConcreteCell*), cellSortByX);
-
-#if defined(DEBUG)
-      printf("y-bin %d count=%d area=%f\n",y,yBinCount, yBinArea);
-#endif
-
-      x = 0;
-      xBinCount = 0, xBinStart =  0;
-      xBinArea = 0, xCumArea = 0;
-      lastOldEdge = g_place_coreBounds.x;
-      lastNewEdge = g_place_coreBounds.x;
-
-      // for each x-bin...
-      for(c2=0; c2<yBinCount; c2++) {
-        xCell = binCells[c2];
-        xBinArea += getCellArea(xCell);
-        xCumArea += getCellArea(xCell);
-        xBinCount++;
-        curOldEdge = xCell->m_x;
-        
-        printf("%.3f ", xCell->m_x);
-
-        // have we filled up an x-bin?
-        if (xCumArea >= yBinArea*(x+1)/numBins && xBinArea > 0) {
-          curNewEdge = lastNewEdge + g_place_coreBounds.w*xBinArea/yBinArea;
-
-          if (curNewEdge > g_place_coreBounds.x+g_place_coreBounds.w) 
-            curNewEdge = g_place_coreBounds.x+g_place_coreBounds.w;
-          if ((curNewEdge-curOldEdge)>maxMovement) curNewEdge = curOldEdge + maxMovement;
-          if ((curOldEdge-curNewEdge)>maxMovement) curNewEdge = curOldEdge - maxMovement;
-
-#if defined(DEBUG)
-          printf("->\tx-bin %d count=%d area=%f (%f,%f)->(%f,%f)\n",x, xBinCount, xBinArea,
-                 curOldEdge, lastOldEdge, curNewEdge, lastNewEdge);
-#endif
-          
-          stretch = (curNewEdge-lastNewEdge)/(curOldEdge-lastOldEdge);
-          
-          // stretch!
-          for(c3=xBinStart; c3<xBinStart+xBinCount; c3++) {
-            if (curOldEdge == lastOldEdge)
-              binCells[c3]->m_x = lastNewEdge+(c3-xBinStart)*(curNewEdge-lastNewEdge);
-            else
-              binCells[c3]->m_x = lastNewEdge+(binCells[c3]->m_x-lastOldEdge)*stretch;
-            
-              // force within core
-            w = binCells[c3]->m_parent->m_width*0.5;
-            if (binCells[c3]->m_x-w < g_place_coreBounds.x)
-              binCells[c3]->m_x = g_place_coreBounds.x+w;
-            if (binCells[c3]->m_x+w > g_place_coreBounds.x+g_place_coreBounds.w)
-              binCells[c3]->m_x = g_place_coreBounds.x+g_place_coreBounds.w-w;
-          }
-          
-          lastOldEdge = curOldEdge;
-          lastNewEdge = curNewEdge;
-          x++;
-          xBinCount = 0;
-          xBinArea = 0;
-          xBinStart = c2+1;
-        }
-      }
-      
-      y++;
-      yBinCount = 0;
-      yBinArea = 0;
-      yBinStart = c+1;
-    }
-  }
-
-  free(binCells);
-  free(allCells);
-}
-
-
-// --------------------------------------------------------------------
-// spreadDensityY()
-//
-// --------------------------------------------------------------------
-void spreadDensityY(int numBins, float maxMovement) {
-
-  int c, c2, c3, x, y;
-  float totalArea = 0;
-  int moveableCells = 0;
-  float xBinArea = 0,  xCumArea = 0;
-  int   xBinStart = 0, xBinCount = 0;
-  int   yBinCount, yBinStart;
-  float yBinArea, yCumArea;
-  float lastOldEdge;
-  float lastNewEdge;
-  float curOldEdge, curNewEdge;
-  float stretch, h;
-  ConcreteCell *xCell, *yCell;
-  ConcreteCell **binCells;
-  ConcreteCell **allCells;
-
-  binCells = (ConcreteCell **)malloc(sizeof(ConcreteCell*)*g_place_numCells);
-  allCells = (ConcreteCell **)malloc(sizeof(ConcreteCell*)*g_place_numCells);
-
-  for(c=0; c<g_place_numCells; c++) if (g_place_concreteCells[c]) {
-    ConcreteCell *cell =  g_place_concreteCells[c];
-    if (!cell->m_fixed && !cell->m_parent->m_pad) {
-      allCells[moveableCells++] = cell;
-      totalArea += getCellArea(cell);
-    }
-  }
-  
-  // spread Y
-  qsort(allCells, moveableCells, sizeof(ConcreteCell*), cellSortByX);
-
-  x = 0;
-
-  // for each x-bin...
-  for(c=0; c<moveableCells; c++) {
-    xCell = allCells[c];
-    xBinArea += getCellArea(xCell);
-    xCumArea += getCellArea(xCell);
-    xBinCount++;
-
-    // have we filled up an x-bin?
-    if (xCumArea >= totalArea*(x+1)/numBins && xBinArea > 0) {
-      memcpy(binCells, &(allCells[xBinStart]), sizeof(ConcreteCell*)*xBinCount);
-      qsort(binCells, xBinCount, sizeof(ConcreteCell*), cellSortByY);
-
-      // printf("x-bin %d count=%d area=%f\n",y,yBinCount, yBinArea);
-
-      y = 0;
-      yBinCount = 0, yBinStart =  0;
-      yBinArea = 0, yCumArea = 0;
-      lastOldEdge = g_place_coreBounds.y;
-      lastNewEdge = g_place_coreBounds.y;
-      
-      // for each y-bin...
-      for(c2=0; c2<xBinCount; c2++) {
-        yCell = binCells[c2];
-        yBinArea += getCellArea(yCell);
-        yCumArea += getCellArea(yCell);
-        yBinCount++;
-        curOldEdge = yCell->m_y;
-        
-        // have we filled up an x-bin?
-        if (yCumArea >= xBinArea*(y+1)/numBins && yBinArea > 0) {
-          curNewEdge = lastNewEdge + g_place_coreBounds.h*yBinArea/xBinArea;
-
-          if (curNewEdge > g_place_coreBounds.y+g_place_coreBounds.h) 
-            curNewEdge = g_place_coreBounds.y+g_place_coreBounds.h;
-          if ((curNewEdge-curOldEdge)>maxMovement) curNewEdge = curOldEdge + maxMovement;
-          if ((curOldEdge-curNewEdge)>maxMovement) curNewEdge = curOldEdge - maxMovement;
-
-          if (curOldEdge == lastOldEdge) continue; // hmmm
-          stretch = (curNewEdge-lastNewEdge)/(curOldEdge-lastOldEdge);
-
-          // stretch!
-          for(c3=yBinStart; c3<yBinStart+yBinCount; c3++) {
-            binCells[c3]->m_y = lastNewEdge+(binCells[c3]->m_y-lastOldEdge)*stretch;
-
-            // force within core
-            h = binCells[c3]->m_parent->m_height;
-            if (binCells[c3]->m_y-h < g_place_coreBounds.y)
-              binCells[c3]->m_y = g_place_coreBounds.y+h;
-            if (binCells[c3]->m_y+h > g_place_coreBounds.y+g_place_coreBounds.h)
-              binCells[c3]->m_y = g_place_coreBounds.y+g_place_coreBounds.h-h;
-          }
-
-          lastOldEdge = curOldEdge;
-          lastNewEdge = curNewEdge;
-          y++;
-          yBinCount = 0;
-          yBinArea = 0;
-          yBinStart = c2+1;
-        }
-      }
-
-      x++;
-      xBinCount = 0;
-      xBinArea = 0;
-      xBinStart = c+1;
-    }
-  }
-
-  free(binCells);
-  free(allCells);
-}