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- add blur_unroll_inner, which unrolls the x2 and y2 loops into

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one long statement.
- add nice comment on endifs that says what this is the end of
This commit is contained in:
Bryce Denney 2002-04-17 02:28:33 +00:00
parent 63da4808e5
commit 50231039fc
1 changed files with 25 additions and 8 deletions
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33
bochs-performance/testcases/blur.c
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@ -1,6 +1,6 @@
/*
*
* $Id: blur.c,v 1.5 2002-04-16 22:40:30 bdenney Exp $
* $Id: blur.c,v 1.6 2002-04-17 02:28:33 bdenney Exp $
*
*/
@ -32,6 +32,22 @@ void blur_simple()
}
}
#ifdef BLUR_UNROLL_INNER
void blur_unroll_inner()
{
int sum;
int x,y,x2,y2;
for (x=1; x<MAX-1; x++)
for (y=1; y<MAX-1; y++)
{
sum = array[x-1][y-1] + array[x-1][y] + array[x-1][y+1]
+ array[x][y-1] + array[x][y] + array[x][y+1]
+ array[x+1][y-1] + array[x+1][y] + array[x+1][y+1];
array2[x][y] = sum;
}
}
#endif
#ifdef BLUR_USE_FUNCTION_CALL
void blur_func (int *sum, int *data)
{
@ -52,7 +68,7 @@ void blur_funcall()
array2[x][y] = sum;
}
}
#endif
#endif //ifdef BLUR_USE_FUNCTION_CALL
#ifdef BLUR_USE_SWITCH
/// With BLUR_USE_SWITCH, don't expect the result to match. I had to make
@ -143,7 +159,7 @@ void blur_switch()
}
}
#endif
#endif // ifdef BLUR_USE_SWITCH
#ifdef BLUR_USE_SWITCH_CALL
void blur_func00 (int *sum, int *data) { *sum += *data; }
@ -230,7 +246,7 @@ void blur_switch_call()
array2[x][y] = sum;
}
}
#endif
#endif //ifdef BLUR_USE_SWITCH_CALL
#ifdef BLUR_FNPTR_SWITCH
void blur_func00 (int *sum, int *data) { *sum += *data; }
@ -413,7 +429,7 @@ void bluf_fnptr_switch()
array2[x][y] = sum;
}
}
#endif
#endif //ifdef BLUR_FNPTR_SWITCH
#ifdef BLUR_FNPTR_TABLE
void blur_func00 (int *sum, int *data) { *sum += *data; }
@ -598,8 +614,7 @@ void blur_fnptr_table()
array2[x][y] = sum;
}
}
#endif
#endif // ifdef BLUR_FNPTR_TABLE
void fill_array()
{
@ -650,7 +665,9 @@ int main (int argc, char *argv[])
//dump_array (stderr);
start_timer();
for (i=0; i<times; i++) {
#if defined BLUR_USE_FUNCTION_CALL
#if defined BLUR_UNROLL_INNER
blur_unroll_inner ();
#elif defined BLUR_USE_FUNCTION_CALL
blur_funcall ();
#elif defined BLUR_USE_SWITCH
blur_switch();