Implementation notes: amd64, samba, crypto_kem/threebears624r2cpa

Computer: samba
Microarchitecture: amd64; Skylake (506e3)
Architecture: amd64
CPU ID: GenuineIntel-000506e3-bfebfbff
SUPERCOP version: 20240625
Operation: crypto_kem
Primitive: threebears624r2cpa

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
92435	9156 0 0	134758 868 1760	`vec`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
95352	14820 0 0	144478 868 1824	`vec`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
97277	7823 0 0	134288 860 1824	`vec`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
99952	12344 0 0	141734 868 1760	`vec`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
105537	9522 0 0	33579 860 1760	`opt`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
108928	15219 0 0	43299 860 1824	`opt`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
110846	7659 0 0	32549 852 1824	`opt`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
111130	12842 0 0	40619 860 1760	`opt`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
113174	14375 0 0	40875 860 1760	`vec`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
113738	14375 0 0	40875 860 1760	`opt`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
134148	12827 0 0	40891 860 1824	`lowmem`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
135157	6640 0 0	31517 852 1824	`lowmem`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
136564	10802 0 0	38595 860 1760	`lowmem`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
139888	11711 0 0	38243 860 1760	`lowmem`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
149024	8698 0 0	32739 860 1760	`lowmem`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
418876	30353 0 0	52972 868 1824	`ref`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
557060	25025 0 0	47348 868 1760	`ref`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
782847	17160 0 0	38300 868 1760	`ref`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
1051058	6374 0 0	26238 860 1824	`ref`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625
2221579	8300 0 0	27348 868 1760	`ref`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240629	20240625

Compiler output

threebears.c: threebears.c:99:26: warning: argument 1 of type 'uint8_t *' {aka 'unsigned char *'} declared as a pointer [-Warray-parameter=]
threebears.c:    99 | void get_pubkey(uint8_t *pk, const uint8_t *seed) {
threebears.c:       |                 ~~~~~~~~~^~
threebears.c: In file included from threebears.c:7:
threebears.c: threebears.h:24:13: note: previously declared as an array 'uint8_t[804]' {aka 'unsigned char[804]'}
threebears.c:    24 |     uint8_t pk[PQCRYPTO_KEM_THREEBEARS624R2CPA_IMPL_PRIV_PUBLIC_KEY_BYTES],
threebears.c:       |     ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
threebears.c: threebears.c:99:45: warning: argument 2 of type 'const uint8_t *' {aka 'const unsigned char *'} declared as a pointer [-Warray-parameter=]
threebears.c:    99 | void get_pubkey(uint8_t *pk, const uint8_t *seed) {
threebears.c:       |                              ~~~~~~~~~~~~~~~^~~~
threebears.c: In file included from threebears.c:7:
threebears.c: threebears.h:25:19: note: previously declared as an array 'const uint8_t[40]' {aka 'const unsigned char[40]'}
threebears.c:    25 |     const uint8_t seed[PQCRYPTO_KEM_THREEBEARS624R2CPA_IMPL_PRIV_PRIVATE_KEY_BYTES]
threebears.c:       |     ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
threebears.c: threebears.c:130:14: warning: argument 1 of type 'uint8_t *' {aka 'unsigned char *'} declared as a pointer [-Warray-parameter=]
threebears.c:   130 |     uint8_t *shared_secret,
threebears.c:       |     ~~~~~~~~~^~~~~~~~~~~~~
threebears.c: In file included from threebears.c:7:
threebears.c: threebears.h:55:13: note: previously declared as an array 'uint8_t[32]' {aka 'unsigned char[32]'}
threebears.c:    55 |     uint8_t shared_secret[PQCRYPTO_KEM_THREEBEARS624R2CPA_IMPL_PRIV_SHARED_SECRET_BYTES],
threebears.c:       |     ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
threebears.c: threebears.c:131:14: warning: argument 2 of type 'uint8_t *' {aka 'unsigned char *'} declared as a pointer [-Warray-parameter=]
threebears.c:   131 |     uint8_t *capsule,
threebears.c:       |     ~~~~~~~~~^~~~~~~
threebears.c: In file included from threebears.c:7:
threebears.c: ...

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

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

Compiler output

threebears.c: threebears.c:99:26: warning: argument 1 of type 'uint8_t *' {aka 'unsigned char *'} declared as a pointer [-Warray-parameter=]
threebears.c:    99 | void get_pubkey(uint8_t *pk, const uint8_t *seed) {
threebears.c:       |                 ~~~~~~~~~^~
threebears.c: In file included from threebears.c:7:
threebears.c: threebears.h:24:13: note: previously declared as an array 'uint8_t[804]' {aka 'unsigned char[804]'}
threebears.c:    24 |     uint8_t pk[PQCRYPTO_KEM_THREEBEARS624R2CPA_IMPL_PRIV_PUBLIC_KEY_BYTES],
threebears.c:       |     ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
threebears.c: threebears.c:99:45: warning: argument 2 of type 'const uint8_t *' {aka 'const unsigned char *'} declared as a pointer [-Warray-parameter=]
threebears.c:    99 | void get_pubkey(uint8_t *pk, const uint8_t *seed) {
threebears.c:       |                              ~~~~~~~~~~~~~~~^~~~
threebears.c: In file included from threebears.c:7:
threebears.c: threebears.h:25:19: note: previously declared as an array 'const uint8_t[40]' {aka 'const unsigned char[40]'}
threebears.c:    25 |     const uint8_t seed[PQCRYPTO_KEM_THREEBEARS624R2CPA_IMPL_PRIV_PRIVATE_KEY_BYTES]
threebears.c:       |     ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
threebears.c: threebears.c:131:14: warning: argument 1 of type 'uint8_t *' {aka 'unsigned char *'} declared as a pointer [-Warray-parameter=]
threebears.c:   131 |     uint8_t *shared_secret,
threebears.c:       |     ~~~~~~~~~^~~~~~~~~~~~~
threebears.c: In file included from threebears.c:7:
threebears.c: threebears.h:55:13: note: previously declared as an array 'uint8_t[32]' {aka 'unsigned char[32]'}
threebears.c:    55 |     uint8_t shared_secret[PQCRYPTO_KEM_THREEBEARS624R2CPA_IMPL_PRIV_SHARED_SECRET_BYTES],
threebears.c:       |     ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
threebears.c: threebears.c:132:14: warning: argument 2 of type 'uint8_t *' {aka 'unsigned char *'} declared as a pointer [-Warray-parameter=]
threebears.c:   132 |     uint8_t *capsule,
threebears.c:       |     ~~~~~~~~~^~~~~~~
threebears.c: In file included from threebears.c:7:
threebears.c: ...

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

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

Compiler output

threebears.c: threebears.c:72:26: warning: argument 1 of type 'uint8_t *' {aka 'unsigned char *'} declared as a pointer [-Warray-parameter=]
threebears.c:    72 | void get_pubkey(uint8_t *pk, const uint8_t *seed) {
threebears.c:       |                 ~~~~~~~~~^~
threebears.c: In file included from threebears.c:7:
threebears.c: threebears.h:24:13: note: previously declared as an array 'uint8_t[804]' {aka 'unsigned char[804]'}
threebears.c:    24 |     uint8_t pk[PQCRYPTO_KEM_THREEBEARS624R2CPA_IMPL_PRIV_PUBLIC_KEY_BYTES],
threebears.c:       |     ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
threebears.c: threebears.c:72:45: warning: argument 2 of type 'const uint8_t *' {aka 'const unsigned char *'} declared as a pointer [-Warray-parameter=]
threebears.c:    72 | void get_pubkey(uint8_t *pk, const uint8_t *seed) {
threebears.c:       |                              ~~~~~~~~~~~~~~~^~~~
threebears.c: In file included from threebears.c:7:
threebears.c: threebears.h:25:19: note: previously declared as an array 'const uint8_t[40]' {aka 'const unsigned char[40]'}
threebears.c:    25 |     const uint8_t seed[PQCRYPTO_KEM_THREEBEARS624R2CPA_IMPL_PRIV_PRIVATE_KEY_BYTES]
threebears.c:       |     ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
threebears.c: threebears.c:97:14: warning: argument 1 of type 'uint8_t *' {aka 'unsigned char *'} declared as a pointer [-Warray-parameter=]
threebears.c:    97 |     uint8_t *shared_secret,
threebears.c:       |     ~~~~~~~~~^~~~~~~~~~~~~
threebears.c: In file included from threebears.c:7:
threebears.c: threebears.h:55:13: note: previously declared as an array 'uint8_t[32]' {aka 'unsigned char[32]'}
threebears.c:    55 |     uint8_t shared_secret[PQCRYPTO_KEM_THREEBEARS624R2CPA_IMPL_PRIV_SHARED_SECRET_BYTES],
threebears.c:       |     ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
threebears.c: threebears.c:98:14: warning: argument 2 of type 'uint8_t *' {aka 'unsigned char *'} declared as a pointer [-Warray-parameter=]
threebears.c:    98 |     uint8_t *capsule,
threebears.c:       |     ~~~~~~~~~^~~~~~~
threebears.c: In file included from threebears.c:7:
threebears.c: ...

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

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

Compiler output

threebears.c: threebears.c:99:26: warning: argument 1 of type 'uint8_t *' {aka 'unsigned char *'} declared as a pointer [-Warray-parameter=]
threebears.c:    99 | void get_pubkey(uint8_t *pk, const uint8_t *seed) {
threebears.c:       |                 ~~~~~~~~~^~
threebears.c: In file included from threebears.c:7:
threebears.c: threebears.h:24:13: note: previously declared as an array 'uint8_t[804]' {aka 'unsigned char[804]'}
threebears.c:    24 |     uint8_t pk[PQCRYPTO_KEM_THREEBEARS624R2CPA_IMPL_PRIV_PUBLIC_KEY_BYTES],
threebears.c:       |     ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
threebears.c: threebears.c:99:45: warning: argument 2 of type 'const uint8_t *' {aka 'const unsigned char *'} declared as a pointer [-Warray-parameter=]
threebears.c:    99 | void get_pubkey(uint8_t *pk, const uint8_t *seed) {
threebears.c:       |                              ~~~~~~~~~~~~~~~^~~~
threebears.c: In file included from threebears.c:7:
threebears.c: threebears.h:25:19: note: previously declared as an array 'const uint8_t[40]' {aka 'const unsigned char[40]'}
threebears.c:    25 |     const uint8_t seed[PQCRYPTO_KEM_THREEBEARS624R2CPA_IMPL_PRIV_PRIVATE_KEY_BYTES]
threebears.c:       |     ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
threebears.c: threebears.c:144:14: warning: argument 1 of type 'uint8_t *' {aka 'unsigned char *'} declared as a pointer [-Warray-parameter=]
threebears.c:   144 |     uint8_t *shared_secret,
threebears.c:       |     ~~~~~~~~~^~~~~~~~~~~~~
threebears.c: In file included from threebears.c:7:
threebears.c: threebears.h:55:13: note: previously declared as an array 'uint8_t[32]' {aka 'unsigned char[32]'}
threebears.c:    55 |     uint8_t shared_secret[PQCRYPTO_KEM_THREEBEARS624R2CPA_IMPL_PRIV_SHARED_SECRET_BYTES],
threebears.c:       |     ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
threebears.c: threebears.c:145:14: warning: argument 2 of type 'uint8_t *' {aka 'unsigned char *'} declared as a pointer [-Warray-parameter=]
threebears.c:   145 |     uint8_t *capsule,
threebears.c:       |     ~~~~~~~~~^~~~~~~
threebears.c: In file included from threebears.c:7:
threebears.c: ...

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

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

Passed TIMECOP

TIMECOP iterations: 1

Number of similar (implementation,compiler) pairs: 20, namely:

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