| { | |
| "name": "reference_loop_101", | |
| "definition": "loop_101", | |
| "dataset": "simd-loop", | |
| "author": "reference", | |
| "spec": { | |
| "language": "cpp", | |
| "target_hardware": [ | |
| "aarch64" | |
| ], | |
| "entry_point": "kernel.cpp::inner_loop_101", | |
| "dependencies": [], | |
| "isa_features": [], | |
| "compile_flags": [ | |
| "-O2", | |
| "-std=c++14", | |
| "-fno-vectorize", | |
| "-fno-slp-vectorize" | |
| ], | |
| "link_flags": [] | |
| }, | |
| "sources": [ | |
| { | |
| "path": "loop_101.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_101_data {\n uint8_t *a;\n uint8_t *b;\n int n;\n};\n\n#ifdef __cplusplus\nextern \"C\" {\n#endif\nint armbench_entry_loop_101(void *b, int64_t n, void *res_out);\n#ifdef __cplusplus\n}\n#endif\n" | |
| }, | |
| { | |
| "path": "loop_101.cpp", | |
| "content": "// Auto-generated by scripts/gen_simd_loop_harness.py \u2014 do not hand-edit.\n#include \"loop_101.h\"\n#include <stdint.h>\n\nextern \"C\" void inner_loop_101(struct loop_101_data *data);\n\nextern \"C\" int armbench_entry_loop_101(void *b, int64_t n, void *res_out) {\n struct loop_101_data _kd;\n _kd.b = static_cast<uint8_t *>(b);\n _kd.a = static_cast<uint8_t *>(res_out);\n _kd.n = static_cast<int>(n);\n inner_loop_101(&_kd);\n return 0;\n}\n" | |
| }, | |
| { | |
| "path": "kernel.cpp", | |
| "content": "#include \"loop_101.h\"\n#include <stdint.h>\n\nextern \"C\" void inner_loop_101(struct loop_101_data *data) {\n uint8_t *a = data->a;\n uint8_t *b = data->b;\n int n = data->n;\n for (int i = 0; i < n - 1; i++) {\n uint16_t s1 = b[i];\n uint16_t s2 = b[i + 1];\n a[2 * i] = (3 * s1 + s2 + 2) >> 2;\n a[2 * i + 1] = (3 * s2 + s1 + 2) >> 2;\n }\n}\n" | |
| } | |
| ], | |
| "description": "Scalar reference (auto-vectorization disabled) for loop_101. Baseline for speedup measurement." | |
| } | |