50 lines
906 B
C
50 lines
906 B
C
#include <stdint.h>
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#include <vx_intrinsics.h>
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#include <vx_spawn.h>
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#include "common.h"
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// Parallel Selection sort
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void kernel_body(int task_id, void* arg) {
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struct kernel_arg_t* _arg = (struct kernel_arg_t*)(arg);
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int32_t* src_ptr = (int32_t*)_arg->src_ptr;
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int32_t* dst_ptr = (int32_t*)_arg->dst_ptr;
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int value = src_ptr[task_id];
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// none taken
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__if (task_id >= 0x7fffffff) {
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value = 0;
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}__else {
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value += 2;
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}__endif
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// diverge
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__if (task_id > 1) {
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__if (task_id > 2) {
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value += 6;
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}__else {
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value += 5;
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}__endif
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}__else {
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__if (task_id > 0) {
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value += 4;
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}__else {
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value += 3;
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}__endif
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}__endif
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// all taken
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__if (task_id >= 0) {
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value += 7;
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}__else {
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value = 0;
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}__endif
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dst_ptr[task_id] = value;
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}
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void main() {
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struct kernel_arg_t* arg = (struct kernel_arg_t*)KERNEL_ARG_DEV_MEM_ADDR;
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vx_spawn_tasks(arg->num_points, kernel_body, arg);
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} |