Implementation notes: amd64, hydra8, crypto_aead/knot128v2

Computer: hydra8
Microarchitecture: amd64; Ivy Bridge+AES (306a9)
Architecture: amd64
CPU ID: GenuineIntel-000306a9-bfebfbff
SUPERCOP version: 20240625
Operation: crypto_aead
Primitive: knot128v2

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
162680	3887 127 0	19704 996 1024	`T:ref`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
165840	4632 127 0	22384 996 1024	`T:ref`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
166156	4349 127 0	20768 996 1024	`T:ref`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
174950	8438 127 0	24893 940 1088	`T:ref`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
195536	3486 127 0	18669 940 1088	`T:ref`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
203172	2695 127 0	16234 988 1024	`T:ref`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
214753	2849 127 0	16808 996 1024	`T:ref`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
239883	3135 127 0	17980 932 1088	`T:ref`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
250735	2587 127 0	16152 916 1056	`T:ref`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625

Compiler output

encrypt.c: encrypt.c:30:9: warning: 'LITTLE_ENDIAN' macro redefined [-Wmacro-redefined]
encrypt.c: #define LITTLE_ENDIAN
encrypt.c:         ^
encrypt.c: /usr/include/endian.h:27:10: note: previous definition is here
encrypt.c: # define LITTLE_ENDIAN  __LITTLE_ENDIAN
encrypt.c:          ^
encrypt.c: encrypt.c:42:9: warning: 'EXT_BYTE32' macro redefined [-Wmacro-redefined]
encrypt.c: #define EXT_BYTE32(x,n) ((u8)((u32)(x)>>(8*(3-(n)))))
encrypt.c:         ^
encrypt.c: encrypt.c:33:9: note: previous definition is here
encrypt.c: #define EXT_BYTE32(x,n) ((u8)((u32)(x)>>(8*(n))))
encrypt.c:         ^
encrypt.c: encrypt.c:43:9: warning: 'INS_BYTE32' macro redefined [-Wmacro-redefined]
encrypt.c: #define INS_BYTE32(x,n) ((u32)(x)<<(8*(3-(n))))
encrypt.c:         ^
encrypt.c: encrypt.c:34:9: note: previous definition is here
encrypt.c: #define INS_BYTE32(x,n) ((u32)(x)<<(8*(n)))
encrypt.c:         ^
encrypt.c: encrypt.c:44:9: warning: 'U32BIG' macro redefined [-Wmacro-redefined]
encrypt.c: #define U32BIG(x) \
encrypt.c:         ^
encrypt.c: encrypt.c:35:9: note: previous definition is here
encrypt.c: #define U32BIG(x) (x)
encrypt.c:         ^
encrypt.c: encrypt.c:47:9: warning: 'EXT_BYTE64' macro redefined [-Wmacro-redefined]
encrypt.c: ...

Number of similar (implementation,compiler) pairs: 5, namely:

Implementation	Compiler
`T:opt`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`T:opt`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`T:opt`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`T:opt`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`T:opt`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`

Compiler output

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 (implementation,compiler) pairs: 4, namely:

Implementation	Compiler
`T:opt`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:opt`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:opt`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:opt`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`

Compiler output

encrypt.c: encrypt.c:116:6: warning: unused variable 'capacity' [-Wunused-variable]
encrypt.c:         u32 capacity = size - rate; //24
encrypt.c:             ^
encrypt.c: encrypt.c:205:6: warning: unused variable 'capacity' [-Wunused-variable]
encrypt.c:         u32 capacity = size - rate; //24
encrypt.c:             ^
encrypt.c: 2 warnings generated.

Number of similar (implementation,compiler) pairs: 5, namely:

Implementation	Compiler
`T:ref`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`T:ref`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`T:ref`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`T:ref`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`T:ref`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`

Compiler output

encrypt.c: encrypt.c: In function 'crypto_aead_knot128v2_ref_timingleaks_encrypt':
encrypt.c: encrypt.c:116:13: warning: unused variable 'capacity' [-Wunused-variable]
encrypt.c:   116 |         u32 capacity = size - rate; //24
encrypt.c:       |             ^~~~~~~~
encrypt.c: encrypt.c: In function 'crypto_aead_knot128v2_ref_timingleaks_decrypt':
encrypt.c: encrypt.c:205:13: warning: unused variable 'capacity' [-Wunused-variable]
encrypt.c:   205 |         u32 capacity = size - rate; //24
encrypt.c:       |             ^~~~~~~~

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

Implementation	Compiler
`T:ref`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:ref`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:ref`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:ref`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`