Changeset 821 for soft/giet_vm/applications/rosenfeld/rosenfeld.py

Timestamp:

May 6, 2016, 3:06:29 PM (9 years ago)

Author:

meunier

Message:

• Added several versions of rosenfeld: { SLOW, FAST } x { FEATURES, NO_FEATURES }
• Added native linux compilation support
• Added a script to check results natively
• Started to refactor nrc code

File:

• soft/giet_vm/applications/rosenfeld/rosenfeld.py (modified) (3 diffs)

soft/giet_vm/applications/rosenfeld/rosenfeld.py

@@ -40 +40 @@
     data_size  = 0x00010000     # 64 Kbytes (non replicated)
 
+    # QM warning: if less than 8M per cluster (i.e. 2M per thread), small pages are required
     stack_base = 0x40000000 
-    stack_size = 0x00800000     # 8 Mbytes (per cluster)
+    stack_size = 0x00080000     # 512K (per cluster) => 128K per thread
+    #stack_size = 0x00400000     # 4M (per cluster) => 1M per thread
 
     heap_base  = 0x60000000 
-    heap_size  = 0x01000000     # 16 Mbytes (per cluster) 
+    #heap_size  = 0x00800000     # 8 Mbytes (per cluster) 
+    heap_size  = 0x10000000     # 256 Mbytes (total) 
 
     # create vspace
@@ -80 +83 @@
                                      base, size, 'C_WU', vtype = 'BUFFER', 
                                      x = x , y = y , pseg = 'RAM',
-                                     local = True, big = True )
+                                     local = True, big = False )
 
     # heap vsegs: distributed non local (all heap vsegs can be accessed by all tasks)
@@ -87 +90 @@
             cluster_id = (x * y_size) + y
             if (mapping.clusters[cluster_id].procs):
-                size = heap_size
-                base = heap_base + (cluster_id * size)
-
+                nclusters = x_size * y_size
+                if x == 0 and y == 0:
+                    size = heap_size / 2
+                    base = heap_base
+                else:
+                    size = heap_size / (2 * nclusters)
+                    base = heap_base + heap_size / 2 + ((y * x_size) + x - 1) * size
                 mapping.addVseg(vspace, 'rosen_heap_%d_%d' % (x, y), base, size, 
-                                'C_WU', vtype = 'HEAP', x = x, y = y, pseg = 'RAM',
-                                local = False, big = True )
+                        'C_WU', vtype = 'HEAP', x = x, y = y, pseg = 'RAM',
+                        local = False, big = True )
 
     # distributed tasks / one task per processor