vortex/tests/regression/sort/kernel.cpp
2024-06-14 07:45:37 -07:00

22 lines
633 B
C++

#include <vx_spawn.h>
#include "common.h"
void kernel_body(kernel_arg_t* __UNIFORM__ arg) {
uint32_t num_points = arg->num_points;
auto src_ptr = (TYPE*)arg->src_addr;
auto dst_ptr = (TYPE*)arg->dst_addr;
auto ref_value = src_ptr[blockIdx.x];
uint32_t pos = 0;
for (uint32_t i = 0; i < num_points; ++i) {
auto cur_value = src_ptr[i];
pos += (cur_value < ref_value) || ((cur_value == ref_value) && (i < blockIdx.x));
}
dst_ptr[pos] = ref_value;
}
int main() {
kernel_arg_t* arg = (kernel_arg_t*)csr_read(VX_CSR_MSCRATCH);
return vx_spawn_threads(1, &arg->num_points, nullptr, (vx_kernel_func_cb)kernel_body, arg);
}