| { | |
| "name": "reference_loop_006", | |
| "definition": "loop_006", | |
| "dataset": "simd-loop", | |
| "author": "reference", | |
| "spec": { | |
| "language": "cpp", | |
| "target_hardware": [ | |
| "aarch64" | |
| ], | |
| "entry_point": "kernel.cpp::inner_loop_006", | |
| "dependencies": [], | |
| "isa_features": [], | |
| "compile_flags": [ | |
| "-O2", | |
| "-std=c++14", | |
| "-fno-vectorize", | |
| "-fno-slp-vectorize" | |
| ], | |
| "link_flags": [] | |
| }, | |
| "sources": [ | |
| { | |
| "path": "loop_006.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_006_data {\n uint8_t *p;\n uint8_t *lmt;\n uint32_t checksum;\n};\n\n#ifdef __cplusplus\nextern \"C\" {\n#endif\nint armbench_entry_loop_006(void *p, int64_t n, void *res_out);\n#ifdef __cplusplus\n}\n#endif\n" | |
| }, | |
| { | |
| "path": "loop_006.cpp", | |
| "content": "// Auto-generated by scripts/gen_simd_loop_harness.py \u2014 do not hand-edit.\n#include \"loop_006.h\"\n#include <stdint.h>\n\nextern \"C\" void inner_loop_006(struct loop_006_data *data);\n\nextern \"C\" int armbench_entry_loop_006(void *p, int64_t n, void *res_out) {\n struct loop_006_data _kd;\n _kd.p = static_cast<uint8_t *>(p);\n _kd.lmt = static_cast<uint8_t *>(p) + n;\n _kd.checksum = 0;\n inner_loop_006(&_kd);\n *static_cast<uint32_t *>(res_out) = _kd.checksum;\n return 0;\n}\n" | |
| }, | |
| { | |
| "path": "kernel.cpp", | |
| "content": "#include \"loop_006.h\"\n#include <cstring>\n#include <stdint.h>\n\nextern \"C\" void inner_loop_006(struct loop_006_data *data) {\n uint8_t *p = data->p; uint8_t *lmt = data->lmt;\n uint32_t res = 0;\n while (p < lmt) {\n uint32_t len = (uint32_t)strlen((const char *)p);\n p += len + 1; res += 1; res ^= (len % 0xffff) << 16;\n }\n data->checksum = res;\n}\n" | |
| } | |
| ], | |
| "description": "Scalar reference (auto-vectorization disabled) for loop_006. Baseline for speedup measurement." | |
| } | |