Changeset 432 for soft/giet_vm/applications/gameoflife/main.c

Timestamp:

Oct 4, 2014, 4:33:31 PM (10 years ago)

Author:

alain

Message:

1) Introduce the "applications" directory.
2) Introduce the fixed format (X_WIDTH / Y_WIDTH / P_WIDTH) for processor index in all applications.

Location:

soft/giet_vm/applications

Files:

• . (added)
• gameoflife (moved) (moved from soft/giet_vm/gameoflife)
• gameoflife/main.c (modified) (3 diffs)

soft/giet_vm/applications/gameoflife/main.c

@@ -17 +17 @@
 #define NB_ITERATION    1000000000
 
-#define PRINTF(...)      ({ if (giet_procid() == 0) { giet_tty_printf(__VA_ARGS__); } })
+#define PRINTF(...) ({ if ( proc_id==0) { giet_tty_printf(__VA_ARGS__); } })
 
 giet_barrier_t barriers[2];
@@ -127 +127 @@
 __attribute__((constructor)) void main()
 {
-   unsigned int proc_id       = giet_procid();              // processor id
+   // get processor identifier
+   unsigned int x;
+   unsigned int y;
+   unsigned int p;
+   giet_proc_xyp( &x, &y, &p );
+
+   // compute continuous processor index
+   unsigned int proc_id = (((x * Y_SIZE) + y) * NB_PROCS_MAX) + p;  
+
    unsigned int nlocal_procs  = NB_PROCS_MAX;               // processors per cluster
    unsigned int nclusters     = X_SIZE*Y_SIZE;              // number of clusters
-   unsigned int nglobal_procs = nclusters * nlocal_procs;   // number of tasks
+   unsigned int nglobal_procs = nclusters * nlocal_procs;   // number of processors
    size_t i;
 
@@ -158 +166 @@
    for (i = 0; i < NB_ITERATION; i++)
    {
-      //PRINTF("\n*** Starting computation for iteration %d at cycle %d\n", i, giet_proctime());
       compute_new_gen(base_line, nb_line);
-      //PRINTF("\n*** Starting display for iteration %d at cycle %d\n", i, giet_proctime());
       grow_old_world(base_line, nb_line);
       display_world(base_line, nb_line);