Implementation notes: amd64, h6sandy, crypto_hash/floppsy
Computer: h6sandy
Microarchitecture: amd64; Sandy Bridge (206a7)
Architecture: amd64
CPU ID: GenuineIntel-000206a7-bfebfbff
SUPERCOP version: 20240808
Operation: crypto_hash
Primitive: floppsy
Time | Object size | Test size | Implementation | Compiler | Benchmark date | SUPERCOP version |
53 | 64 0 0 | 12288 876 896 | T:ref | clang++_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240718 | 20240716 |
53 | 64 0 0 | 14232 876 896 | T:ref | clang++_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240718 | 20240716 |
54 | 64 0 0 | 10226 868 896 | T:ref | clang++_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240718 | 20240716 |
55 | 64 0 0 | 10600 876 896 | T:ref | clang++_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240718 | 20240716 |
135933 | 449 0 0 | 10696 780 960 | T:ref | g++_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240718 | 20240716 |
136856 | 445 0 0 | 12053 804 992 | T:ref | g++_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240718 | 20240716 |
136859 | 496 0 0 | 13405 804 992 | T:ref | g++_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240718 | 20240716 |
136898 | 476 0 0 | 11780 796 992 | T:ref | g++_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240718 | 20240716 |
Compiler output
api.cpp: api.cpp: In function 'void round(const uint8_t*, long long unsigned int, double*)':
api.cpp: api.cpp:53:22: warning: comparison of integer expressions of different signedness: 'long int' and 'long long unsigned int' [-Wsign-compare]
api.cpp: 53 | for( long i = 0; i < len; i++ ) {
api.cpp: | ~~^~~~~
api.cpp: In function 'void setup(double*, double)',
api.cpp: inlined from 'int crypto_hash_floppsy_ref_timingleaks(unsigned char*, const unsigned char*, long long unsigned int)' at api.cpp:92:8:
api.cpp: api.cpp:68:12: warning: 'buf' is used uninitialized [-Wuninitialized]
api.cpp: 68 | state[0] += init != 0 ? pow(init + 1.0/init, 1.0/3) : 3.0;
api.cpp: | ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
api.cpp: api.cpp: In function 'int crypto_hash_floppsy_ref_timingleaks(unsigned char*, const unsigned char*, long long unsigned int)':
api.cpp: api.cpp:84:11: note: 'buf' declared here
api.cpp: 84 | uint8_t buf [16];
api.cpp: | ^~~
Number of similar (implementation,compiler) pairs: 4, namely:
Implementation | Compiler |
T:ref | g++ -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0) |
T:ref | g++ -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0) |
T:ref | g++ -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0) |
T:ref | g++ -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0) |