Changeset 756 for soft/giet_vm/applications/coremark/mach

Timestamp:

Jan 14, 2016, 10:13:09 AM (9 years ago)

Author:

cfuguet

Message:

Improving the configuration infrastructure of the coremark application

Location:

soft/giet_vm/applications/coremark/mach

Files:

• core_portme.c (modified) (7 diffs)
• core_portme.h (modified) (2 diffs)

soft/giet_vm/applications/coremark/mach/core_portme.c

@@ -35 +35 @@
         during the benchmark's execution
 */
-volatile ee_s32 seed4_volatile=0;
+volatile ee_s32 seed4_volatile=ITERATIONS;
 
 
@@ -56 +56 @@
 */
 #define TIMER_RES_DIVIDER 1
-#define NSECS_PER_SEC 1000000 /* 1 GHz */
+#define NSECS_PER_SEC 833000000 /* 833 MHz */
 #define EE_TICKS_PER_SEC (NSECS_PER_SEC / TIMER_RES_DIVIDER)
 #define GETMYTIME(_t) (*_t=giet_proctime())
@@ -113 +113 @@
 }
 
-ee_u32 default_num_contexts=1;
+ee_u32 default_num_contexts=MULTITHREAD;
 
 
@@ -136 +136 @@
         giet_procs_number( &x_size, &y_size, &nprocs );
         
-        // one context per core when using multiple threads
-        default_num_contexts = x_size * y_size * nprocs; 
-
         // initialize distributed heaps
         int x, y;
@@ -146 +143 @@
                 }
         }
-        
-        // FIXME: init a lock to access the TTY, and create a printf wrapper,
-        // requiring and releasing the lock
 #else
         // initialize local heap
@@ -165 +159 @@
 void portable_fini(core_portable *p)
 {
+        core_results *res = (core_results*)((char*)p - 
+                        (sizeof(core_results) - sizeof(core_portable)));
+
+        int i;
+        for (i=0 ; i<default_num_contexts; i++) {
+                const CORE_TICKS total_time = res[i].port.stop_time - res[i].port.start_time;
+                printf("thread %d: total ticks = %d\n", i, total_time);
+        }
+
         p->portable_id=0;
 }
@@ -177 +180 @@
 __attribute__ ((constructor))  
 void *__iterate(void *pres) {
+        core_results *res = (core_results*)pres; 
+        GETMYTIME(&(res->port.start_time));
         iterate(pres);
+        GETMYTIME(&(res->port.stop_time));
         giet_pthread_exit(NULL);
         return NULL;

soft/giet_vm/applications/coremark/mach/core_portme.h

@@ -182 +182 @@
 
 
+/* Configuration : ITERATIONS
+        Valid values :
+        0 - the actual number of iterations is computed by the benchmark.
+        N > 0 - fixed number of iterations
+*/
+#ifndef ITERATIONS
+#define ITERATIONS 0
+#endif
+
+
+/* Configuration : TOTAL_DATA_SIZE
+*/
+#ifndef TOTAL_DATA_SIZE
+#define TOTAL_DATA_SIZE 2000
+#endif
+
+
 /* Variable : default_num_contexts
-        Not used for this simple port, must cintain the value 1.
 */
 extern ee_u32 default_num_contexts;
@@ -190 +206 @@
         ee_u8       portable_id;
         pthread_t   thread;
+
+        CORE_TICKS  start_time, stop_time;
 } core_portable;