54 lines
1.3 KiB
Diff
54 lines
1.3 KiB
Diff
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let people specify the number of runs on the command line
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Patch by Vivi Li <vivi.li@analog.com>
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--- a/dhry_1.c
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+++ b/dhry_1.c
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@@ -66,7 +70,7 @@
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/* end of variables for time measurement */
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-main ()
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+main(int argc, char *argv[])
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/*****/
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/* main program, corresponds to procedures */
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@@ -101,6 +105,13 @@
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/* Warning: With 16-Bit processors and Number_Of_Runs > 32000, */
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/* overflow may occur for this array element. */
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+ Number_Of_Runs = 0;
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+ if ( argc == 2 ) {
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+ if (atoi(argv[1]) > 0) {
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+ Number_Of_Runs = atoi(argv[1]);
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+ }
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+ }
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+
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printf ("\n");
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printf ("Dhrystone Benchmark, Version 2.1 (Language: C)\n");
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printf ("\n");
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@@ -114,13 +125,17 @@
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printf ("Program compiled without 'register' attribute\n");
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printf ("\n");
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}
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- printf ("Please give the number of runs through the benchmark: ");
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- {
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- int n;
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- scanf ("%d", &n);
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- Number_Of_Runs = n;
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+
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+ if (!Number_Of_Runs) {
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+ printf ("Please give the number of runs through the benchmark: ");
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+ fflush (stdout);
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+ {
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+ int n;
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+ scanf ("%d", &n);
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+ Number_Of_Runs = n;
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+ }
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+ printf ("\n");
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}
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- printf ("\n");
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printf ("Execution starts, %d runs through Dhrystone\n", Number_Of_Runs);
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