Changes between Version 30 and Version 31 of DRM4G/Tutorial

Timestamp:

Jun 27, 2016 9:24:10 AM (6 years ago)

Author:

carlos

Comment:

--

DRM4G/Tutorial

@@ -235 +235 @@
 {{{
 #!cpp
-  #include <stdio.h>
-  #include <string.h>
- 
-  int main (int argc, char** args)
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+int main (int argc, char** args)
+{
+  int task_id;
+  int total_tasks;
+  long long int n;
+  long long int i;
+
+  double l_sum, x, h;
+
+  task_id = atoi(args[1]);
+  total_tasks = atoi(args[2]);
+  n = atoll(args[3]);
+
+  fprintf(stderr, "task_id=%d total_tasks=%d n=%lld\n", task_id, total_tasks, n);
+
+  h = 1.0/n;
+
+  l_sum = 0.0;
+
+  for (i = task_id; i < n; i += total_tasks)
   {
-    int task_id;
-    int total_tasks;
-    long long int n;
-    long long int i;
- 
-    double l_sum, x, h;
- 
-    task_id = atoi(args[1]);
-    total_tasks = atoi(args[2]);
-    n = atoll(args[3]);
- 
-    fprintf(stderr, "task_id=%d total_tasks=%d n=%lld\n", task_id, total_tasks, n);
- 
-    h = 1.0/n;
- 
-    l_sum = 0.0;
- 
-    for (i = task_id; i < n; i += total_tasks)
-    {
-      x = (i + 0.5)*h;
-      l_sum += 4.0/(1.0 + x*x);
-    }
- 
-    l_sum *= h;
- 
-    printf("%0.12g\n", l_sum);
- 
-    return 0;
+    x = (i + 0.5)*h;
+    l_sum += 4.0/(1.0 + x*x);
   }
-}}}
-
-* Job template :
-{{{
-EXECUTABLE  = pi
+
+  l_sum *= h;
+
+  printf("%0.12g\n", l_sum);
+
+  return 0;
+}
+}}}
+
+* DRM4G job template :
+{{{
+EXECUTABLE  = pi.sh
 ARGUMENTS   = ${TASK_ID} ${TOTAL_TASKS} 100000
 STDOUT_FILE = stdout_file.${TASK_ID}
 STDERR_FILE = stderr_file.${TASK_ID}
+INPUT_FILES = pi.c, pi.sh
+}}}
+
+* pi.sh script:
+{{{
+#!sh
+#!/bin/bash
+gcc -o pi pi.c
+chmod +x ./pi
+./pi $@
 }}}
 == MPI Jobs ==