| { | |
| "name": "reference_loop_127", | |
| "definition": "loop_127", | |
| "dataset": "simd-loop", | |
| "author": "reference", | |
| "spec": { | |
| "language": "cpp", | |
| "target_hardware": [ | |
| "aarch64" | |
| ], | |
| "entry_point": "kernel.cpp::inner_loop_127", | |
| "dependencies": [], | |
| "isa_features": [], | |
| "compile_flags": [ | |
| "-O2", | |
| "-std=c++14", | |
| "-fno-vectorize", | |
| "-fno-slp-vectorize" | |
| ], | |
| "link_flags": [] | |
| }, | |
| "sources": [ | |
| { | |
| "path": "loop_127.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_127_data {\n uint32_t *a;\n uint32_t *b;\n int n;\n uint32_t res;\n};\n\n#ifdef __cplusplus\nextern \"C\" {\n#endif\nint armbench_entry_loop_127(void *a, void *b, int64_t n, void *res_out);\n#ifdef __cplusplus\n}\n#endif\n" | |
| }, | |
| { | |
| "path": "loop_127.cpp", | |
| "content": "// Auto-generated by scripts/gen_simd_loop_harness.py \u2014 do not hand-edit.\n#include \"loop_127.h\"\n#include <cassert>\n#include <limits>\n\nextern \"C\" void inner_loop_127(struct loop_127_data *data);\n\nextern \"C\" int armbench_entry_loop_127(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_127_data data;\n data.a = static_cast<uint32_t *>(a);\n data.b = static_cast<uint32_t *>(b);\n data.n = static_cast<int>(n);\n data.res = 0u;\n inner_loop_127(&data);\n *static_cast<uint32_t *>(res_out) = data.res;\n return 0;\n}\n" | |
| }, | |
| { | |
| "path": "kernel.cpp", | |
| "content": "#include \"loop_127.h\"\n#include <stdint.h>\n\nextern \"C\" void inner_loop_127(struct loop_127_data * data) {\n uint32_t *a = data->a;\n uint32_t *b = data->b;\n int n = data->n;\n\n uint32_t res = 0;\n for (int i = 0; i < n; i++) {\n res += a[i] * b[i];\n if (a[i] == 512) {\n break;\n }\n }\n data->res = res;\n}\n" | |
| } | |
| ], | |
| "description": "Scalar reference (auto-vectorization disabled) for loop_127. Baseline for speedup measurement." | |
| } | |