Changeset 422

Timestamp:

Sep 30, 2014, 5:30:47 PM (10 years ago)

Author:

cfuguet

Message:

sort: using big pages for code segment

Location:

soft/giet_vm/sort

Files:

• main.c (modified) (1 diff)
• sort.py (modified) (4 diffs)

soft/giet_vm/sort/main.c

@@ -30 +30 @@
 #include "barrier.h"
 
-#define ARRAY_LENGTH    512 
+#define ARRAY_LENGTH    4096
 #define IPT             (ARRAY_LENGTH / *nb_thread) // ITEMS PER THREAD
 

soft/giet_vm/sort/sort.py

@@ -33 +33 @@
     # define vsegs base & size
     code_base  = 0x10000000
-    code_size  = 0x00010000     # 64 Kbytes (replicated in each cluster)
+    code_size  = 0x00200000     # 2 Mbytes (replicated in each cluster)
 
     data_base  = 0x20000000
-    data_size  = 0x00010000     # 64 Kbytes (non replicated)
+    data_size  = 0x00200000     # 2 Mbytes (non replicated)
 
-    args_base  = 0x20010000
-    args_size  = 0x00000004     # 4 bytes (non replicated)
+    args_base  = 0x20200000
+    args_size  = 0x00001000     # 4 Kbytes (non replicated)
 
     stack_base = 0x40000000
@@ -54 +54 @@
                      'C_WU', vtype = 'ELF', x = 0, y = 0, pseg = 'RAM',
                      binpath = 'build/sort/sort.elf',
-                     local = False )
+                     local = False, big = True )
 
     # args vseg : non local (only in cluster[0,0])
     mapping.addVseg( vspace, 'sort_args', args_base , args_size, 
                      'C_WU', vtype = 'CONST', x = 0, y = 0, pseg = 'RAM', 
-                     init = ntasks,
-                     local = False )
+                     init = ntasks, local = False, big = False )
 
     # code vsegs : local (one copy per cluster)
@@ -66 +65 @@
         for y in xrange (y_size):
             mapping.addVseg( vspace, 'sort_code', code_base , code_size, 
-                             'CXWU', vtype = 'ELF', x = 0, y = 0, pseg = 'RAM', 
+                             'CXWU', vtype = 'ELF', x = x, y = y, pseg = 'RAM', 
                              binpath = 'build/sort/sort.elf',
-                             local = True )
+                             local = True, big = True )
 
     # stacks vsegs : local (one stack per task)
     for x in xrange (x_size):
         for y in xrange (y_size):
-            for p in xrange (nprocs)
+            for p in xrange (nprocs):
                 proc_id = (((x * y_size) + y) * nprocs) + p
                 size    = stack_size / nprocs
                 base    = stack_base + (proc_id * size)
-                mapping.addVseg( vspace, 'sort_stack_%d_%d_%d' % (x,y,p), base, size
+                mapping.addVseg( vspace, 'sort_stack_%d_%d_%d' % (x,y,p), base, size,
                                  'C_WU', vtype = 'BUFFER', x = x, y = y, pseg = 'RAM',
                                  local = True, big = True )
@@ -97 +96 @@
                 trdid = (((x * y_size) + y) * nprocs) + p
                 mapping.addTask( vspace, 'sort_%d_%d_%d' % (x,y,p), trdid, x, y, p,
-                                 'trsp_stack_%d_%d_%d' % (x,y,p),
-                                 'trsp_heap_%d_%d' % (x,y), 0 )
+                                 'sort_stack_%d_%d_%d' % (x,y,p),
+                                 'sort_heap_%d_%d' % (x,y), 0 )
 
     # extend mapping name