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Fix Gep print function and cilk examples
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,25 +1,17 @@ | ||
| #include <stdio.h> | ||
| #include <cilk/cilk.h> | ||
|
|
||
| void cilk_for_test02_mul(unsigned *a, unsigned *b, unsigned i) { | ||
| b[i] = a[i]*2; | ||
| return; | ||
| } | ||
|
|
||
| void cilk_for_test02(unsigned *a, unsigned *b) { | ||
| unsigned cilk_for_test02(unsigned j) { | ||
| unsigned foo = j; | ||
| cilk_for (unsigned i = 0; i < 5; ++i) { | ||
| cilk_for_test02_mul(a,b,i); | ||
| cilk_for(unsigned k = 0; k < 5; ++k){ | ||
| foo++; | ||
| } | ||
| } | ||
| return; | ||
| return foo; | ||
| } | ||
|
|
||
| int main() { | ||
| int i; | ||
| unsigned a[5] = {1,2,3,4,5}; | ||
| unsigned b[5] = {0}; | ||
| cilk_for_test02(a,b); | ||
| for(i=0;i<5;i++) { | ||
| printf("b[%d]=%d\n", i, b[i]); | ||
| } | ||
|
|
||
| int result = cilk_for_test02(100); | ||
| printf("%d\n",result); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,17 +1,21 @@ | ||
| #include <stdio.h> | ||
| #include <cilk/cilk.h> | ||
|
|
||
| unsigned cilk_for_test03(unsigned j) { | ||
| unsigned foo = j; | ||
| unsigned cilk_for_test03(unsigned *a, unsigned *b, unsigned *c) { | ||
| cilk_for (unsigned i = 0; i < 5; ++i) { | ||
| cilk_for(unsigned k = 0; k < 5; ++k){ | ||
| foo++; | ||
| } | ||
| c[i]=a[i]+b[i]; | ||
| } | ||
| return foo; | ||
| return 1; | ||
| } | ||
|
|
||
| int main() { | ||
| int result = cilk_for_test03(100); | ||
| printf("%d\n",result); | ||
| int i; | ||
| unsigned a[5] = {1,2,3,4,5}; | ||
| unsigned b[5] = {1,2,3,4,5}; | ||
| unsigned c[5] = {0}; | ||
| cilk_for_test03(a,b,c); | ||
| for(i=0;i<5;i++) { | ||
| printf("%d\n", c[i]); | ||
| } | ||
|
|
||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,21 +1,27 @@ | ||
| #include <stdio.h> | ||
| #include <cilk/cilk.h> | ||
| #include <stdio.h> | ||
|
|
||
| unsigned cilk_for_test04(unsigned *a, unsigned *b, unsigned *c) { | ||
| cilk_for (unsigned i = 0; i < 5; ++i) { | ||
| c[i]=a[i]+b[i]; | ||
| cilk_for(unsigned i = 0; i < 20; ++i) { | ||
| if (a[i] > b[i]) { | ||
| c[i] = a[i] - b[i]; | ||
| } else { | ||
| c[i] = b[i] - a[i]; | ||
| } | ||
| } | ||
| return 1; | ||
| } | ||
|
|
||
| int main() { | ||
| int i; | ||
| unsigned a[5] = {1,2,3,4,5}; | ||
| unsigned b[5] = {1,2,3,4,5}; | ||
| unsigned c[5] = {0}; | ||
| cilk_for_test04(a,b,c); | ||
| for(i=0;i<5;i++) { | ||
| unsigned a[20] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, | ||
| 10, 11, 12, 13, 14, 15, 16, 17, 18, 19}; | ||
| unsigned b[20] = {10, 11, 12, 13, 14, 15, 16, 17, 18, 19, | ||
| 0, 1, 2, 3, 4, 5, 6, 7, 8, 9}; | ||
| unsigned c[20] = {0}; | ||
| cilk_for_test04(a, b, c); | ||
| for (i = 0; i < 20; i++) { | ||
| printf("%d\n", c[i]); | ||
| } | ||
|
|
||
| } | ||
|
|
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,28 +1,80 @@ | ||
| #include <stdio.h> | ||
| #include <stdlib.h> | ||
| #include <time.h> | ||
| #include <cilk/cilk.h> | ||
| #include <cilk/cilk_api.h> | ||
|
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||
| unsigned cilk_for_test05(unsigned *a, unsigned *b, unsigned *c) { | ||
| cilk_for (unsigned i = 0; i < 20; ++i) { | ||
| if (a[i] > b[i]) { | ||
| c[i]=a[i]-b[i]; | ||
| } else { | ||
| c[i]=b[i]-a[i]; | ||
| } | ||
| #define LOOP_SIZE 1000000 | ||
| #define TIME | ||
|
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| double timespec_to_ms(struct timespec *ts) | ||
| { | ||
| return ts->tv_sec*1000.0 + ts->tv_nsec/1000000.0; | ||
| } | ||
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| int cilk_for_test05(int a[][5], int b[][5], int c[][5]) { | ||
| cilk_for (int i = 0; i < 5; ++i) { | ||
| cilk_for (int j = 0; j < 5; ++j) { | ||
| c[i][j]=a[i][j]+b[i][j]; | ||
| } | ||
| } | ||
|
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| return 1; | ||
| } | ||
|
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| int main() { | ||
| int i; | ||
| unsigned a[20] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, | ||
| 10,11,12,13,14,15,16,17,18,19}; | ||
| unsigned b[20] = {10,11,12,13,14,15,16,17,18,19, | ||
| 0, 1, 2, 3, 4, 5, 6, 7, 8, 9}; | ||
| unsigned c[20] = {0}; | ||
| cilk_for_test05(a,b,c); | ||
| for(i=0;i<20;i++) { | ||
| printf("%d\n", c[i]); | ||
| int main(int argc, char *argv[]) { | ||
| int i,j; | ||
| int a[5][5] = {{ 1, 2, 3, 4, 5}, | ||
| {11,12,13,14,15}, | ||
| {21,22,23,24,25}, | ||
| {31,32,33,34,35}, | ||
| {41,42,43,44,45}}; | ||
| int b[5][5] = {{ 1, 2, 3, 4, 5}, | ||
| {11,12,13,14,15}, | ||
| {21,22,23,24,25}, | ||
| {31,32,33,34,35}, | ||
| {41,42,43,44,45}}; | ||
| int c[5][5] = {0}; | ||
| // If we've got a parameter, assume it's the number of workers to be used | ||
| if (argc > 1) | ||
| { | ||
| // Values less than 1, or parameters that aren't numbers aren't allowed | ||
| if (atoi(argv[1]) < 1) | ||
| { | ||
| printf("Usage: fib [workers]\n"); | ||
| return 1; | ||
| } | ||
|
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| // Set the number of workers to be used | ||
| #ifdef TIME | ||
| __cilkrts_set_param("nworkers", argv[1]); | ||
| #endif | ||
| } | ||
|
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| // Time how long it takes | ||
| #ifdef TIME | ||
| struct timespec start_time, end_time; | ||
| clock_gettime(CLOCK_MONOTONIC, &start_time); | ||
| #endif | ||
|
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| for (int i=0;i<LOOP_SIZE;i++) { | ||
| cilk_for_test05(a,b,c); | ||
| } | ||
|
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| } | ||
| #ifdef TIME | ||
| clock_gettime(CLOCK_MONOTONIC, &end_time); | ||
| double time_ms = timespec_to_ms(&end_time) - timespec_to_ms(&start_time); | ||
| float time_ns = time_ms / LOOP_SIZE * 1000000; | ||
| printf("Calculated in %.3f ns using %d workers.\n", | ||
| time_ns, __cilkrts_get_nworkers()); | ||
| #endif | ||
|
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| for(i=0;i<5;i++) { | ||
| for(j=0;j<5;j++) { | ||
| printf("%d ", c[i][j]); | ||
| } | ||
| printf("\n"); | ||
| } | ||
|
|
||
| } |
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