File size: 2,066 Bytes
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"name": "reference_loop_024",
"definition": "loop_024",
"dataset": "simd-loop",
"author": "reference",
"spec": {
"language": "cpp",
"target_hardware": [
"aarch64"
],
"entry_point": "kernel.cpp::inner_loop_024",
"dependencies": [],
"isa_features": [],
"compile_flags": [
"-O2",
"-std=c++14",
"-fno-vectorize",
"-fno-slp-vectorize"
],
"link_flags": []
},
"sources": [
{
"path": "loop_024.h",
"content": "// Auto-generated by scripts/gen_simd_loop_harness.py \u2014 do not hand-edit.\n#pragma once\n#include <stdint.h>\n\nstruct loop_024_data {\n uint8_t *a;\n uint8_t *b;\n int64_t n;\n uint32_t res;\n};\n\n#ifdef __cplusplus\nextern \"C\" {\n#endif\nint armbench_entry_loop_024(void *a, void *b, int64_t n, void *res_out);\n#ifdef __cplusplus\n}\n#endif\n"
},
{
"path": "loop_024.cpp",
"content": "// Auto-generated by scripts/gen_simd_loop_harness.py \u2014 do not hand-edit.\n#include \"loop_024.h\"\n#include <cassert>\n#include <limits>\n\nextern \"C\" void inner_loop_024(struct loop_024_data *data);\n\nextern \"C\" int armbench_entry_loop_024(void *a, void *b, int64_t n, void *res_out) {\n if (n < 0 || n > std::numeric_limits<int>::max()) return -1;\n struct loop_024_data data;\n data.a = static_cast<uint8_t *>(a);\n data.b = static_cast<uint8_t *>(b);\n data.n = static_cast<int64_t>(n);\n data.res = 0u;\n inner_loop_024(&data);\n *static_cast<uint32_t *>(res_out) = data.res;\n return 0;\n}\n"
},
{
"path": "kernel.cpp",
"content": "#include \"loop_024.h\"\n#include <stdint.h>\n\nextern \"C\" void inner_loop_024(struct loop_024_data * data) {\n uint8_t * a = data->a;\n uint8_t * b = data->b;\n int64_t n = data->n;\n\n uint32_t sum = 0;\n for (int i = 0; i < n; i++) {\n sum += __builtin_abs(a[i] - b[i]);\n }\n data->res = sum;\n}\n"
}
],
"description": "Scalar reference (auto-vectorization disabled) for loop_024. Baseline for speedup measurement."
}
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