File size: 2,045 Bytes
6408952 f25167e 6408952 f25167e 6408952 85bd925 6408952 85bd925 f25167e 85bd925 6408952 85bd925 6408952 85bd925 6408952 f25167e 6408952 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 | {
"name": "reference_loop_004",
"definition": "loop_004",
"dataset": "simd-loop",
"author": "reference",
"spec": {
"language": "cpp",
"target_hardware": [
"aarch64"
],
"entry_point": "kernel.cpp::inner_loop_004",
"dependencies": [],
"isa_features": [],
"compile_flags": [
"-O2",
"-std=c++14",
"-fno-vectorize",
"-fno-slp-vectorize"
],
"link_flags": []
},
"sources": [
{
"path": "loop_004.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_004_data {\n uint64_t *a;\n uint64_t *b;\n int n;\n uint64_t res;\n};\n\n#ifdef __cplusplus\nextern \"C\" {\n#endif\nint armbench_entry_loop_004(void *a, void *b, int64_t n, void *res_out);\n#ifdef __cplusplus\n}\n#endif\n"
},
{
"path": "loop_004.cpp",
"content": "// Auto-generated by scripts/gen_simd_loop_harness.py \u2014 do not hand-edit.\n#include \"loop_004.h\"\n#include <cassert>\n#include <limits>\n\nextern \"C\" void inner_loop_004(struct loop_004_data *data);\n\nextern \"C\" int armbench_entry_loop_004(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_004_data data;\n data.a = static_cast<uint64_t *>(a);\n data.b = static_cast<uint64_t *>(b);\n data.n = static_cast<int>(n);\n data.res = 0ull;\n inner_loop_004(&data);\n *static_cast<uint64_t *>(res_out) = data.res;\n return 0;\n}\n"
},
{
"path": "kernel.cpp",
"content": "#include \"loop_004.h\"\n#include <stdint.h>\n\nextern \"C\" void inner_loop_004(struct loop_004_data * data) {\n uint64_t *a = data->a;\n uint64_t *b = data->b;\n int n = data->n;\n\n uint64_t res = 0;\n for (int i = 0; i < n; i++) {\n res += a[i] * b[i];\n }\n data->res = res;\n}\n"
}
],
"description": "Scalar reference (auto-vectorization disabled) for loop_004. Baseline for speedup measurement."
}
|