Implementation notes: amd64, hydra7, crypto_aead/knot128v2

Computer: hydra7
Microarchitecture: amd64; Sandy Bridge+AES (206a7)
Architecture: amd64
CPU ID: GenuineIntel-000206a7-bfebfbff
SUPERCOP version: 20240425
Operation: crypto_aead
Primitive: knot128v2

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
207626	8438 127 0	24893 940 1088	`T:ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240426	20240425
221603	3486 127 0	18669 940 1088	`T:ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240426	20240425
277435	3135 127 0	17980 932 1088	`T:ref`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240426	20240425
280173	2587 127 0	16152 916 1056	`T:ref`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240426	20240425

Compiler output

Implementation: T:opt
Security model: timingleaks
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE

encrypt.c: encrypt.c:30: warning: "LITTLE_ENDIAN" redefined
encrypt.c: 30 | #define LITTLE_ENDIAN
encrypt.c: |
encrypt.c: In file included from /usr/include/x86_64-linux-gnu/sys/types.h:176,
encrypt.c: from /usr/include/stdlib.h:395,
encrypt.c: from encrypt.c:4:
encrypt.c: /usr/include/endian.h:27: note: this is the location of the previous definition
encrypt.c: 27 | # define LITTLE_ENDIAN __LITTLE_ENDIAN
encrypt.c: |
encrypt.c: encrypt.c:42: warning: "EXT_BYTE32" redefined
encrypt.c: 42 | #define EXT_BYTE32(x,n) ((u8)((u32)(x)>>(8*(3-(n)))))
encrypt.c: |
encrypt.c: encrypt.c:33: note: this is the location of the previous definition
encrypt.c: 33 | #define EXT_BYTE32(x,n) ((u8)((u32)(x)>>(8*(n))))
encrypt.c: |
encrypt.c: encrypt.c:43: warning: "INS_BYTE32" redefined
encrypt.c: 43 | #define INS_BYTE32(x,n) ((u32)(x)<<(8*(3-(n))))
encrypt.c: |
encrypt.c: encrypt.c:34: note: this is the location of the previous definition
encrypt.c: 34 | #define INS_BYTE32(x,n) ((u32)(x)<<(8*(n)))
encrypt.c: |
encrypt.c: encrypt.c:44: warning: "U32BIG" redefined
encrypt.c: 44 | #define U32BIG(x) \
encrypt.c: |
encrypt.c: encrypt.c:35: note: this is the location of the previous definition
encrypt.c: ...

Number of similar (compiler,implementation) pairs: 4, namely:

Compiler	Implementations
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:opt
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:opt
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:opt
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:opt