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