Implementation notes: amd64, rome0, crypto_kem/oddmanhattan128

Computer: rome0
Microarchitecture: amd64; Zen 2 (830f10)
Architecture: amd64
CPU ID: AuthenticAMD-00830f10-178bfbff
SUPERCOP version: 20240716
Operation: crypto_kem
Primitive: oddmanhattan128

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
92147465	6183 0 52	218664 1004 1784	`T:opt`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240625	20240625
92157640	7664 0 52	220312 1004 1784	`T:opt`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240625	20240625
92257791	6227 0 52	219209 988 1848	`T:opt`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240625	20240625
92301176	4968 0 52	215374 996 1784	`T:opt`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240625	20240625
92444460	4577 0 52	214766 996 1784	`T:opt`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240625	20240625
92544267	7859 0 52	220648 1004 1784	`T:opt`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240625	20240625
92883450	5282 0 52	216161 988 1848	`T:opt`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240625	20240625
93483923	4680 0 52	214457 980 1816	`T:opt`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240625	20240625
98642372	5402 0 52	216689 988 1848	`T:opt`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240625	20240625
198061050	6560 0 52	215760 1004 1784	`T:ref`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240625	20240625
199242272	4280 0 52	211270 996 1784	`T:ref`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240625	20240625
199395202	5031 0 52	214048 1004 1784	`T:ref`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240625	20240625
200311253	4061 0 52	210457 980 1816	`T:ref`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240625	20240625
204321333	3931 0 52	210662 996 1784	`T:ref`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240625	20240625
205614978	4674 0 52	212497 988 1848	`T:ref`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240625	20240625
206843158	5499 0 52	215017 988 1848	`T:ref`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240625	20240625
207774229	4638 0 52	212089 988 1848	`T:ref`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240625	20240625
212342750	6643 0 52	215968 1004 1784	`T:ref`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240625	20240625

Compiler output

kem.c: kem.c:30:15: warning: passing 'char [32]' to parameter of type 'unsigned char *' converts between pointers to integer types with different sign [-Wpointer-sign]
kem.c:   randombytes(seed,crypto_kem_BYTES);
kem.c:               ^~~~
kem.c: .../supercop-data/rome0/amd64/include/randombytes.h:8:40: note: passing argument to parameter here
kem.c: extern void randombytes(unsigned char *,unsigned long long);
kem.c:                                        ^
kem.c: kem.c:35:25: warning: passing 'char [32]' to parameter of type 'unsigned char *' converts between pointers to integer types with different sign [-Wpointer-sign]
kem.c:   seedexpander_init(ctx,seed,diversifier,maxlen);
kem.c:                         ^~~~
kem.c: ./rng.h:40:34: note: passing argument to parameter 'seed' here
kem.c:                   unsigned char *seed,
kem.c:                                  ^
kem.c: kem.c:131:30: warning: passing 'char [8]' to parameter of type 'unsigned char *' converts between pointers to integer types with different sign [-Wpointer-sign]
kem.c:   seedexpander_init(ctx,seed,diversifier,maxlen);
kem.c:                              ^~~~~~~~~~~
kem.c: ./rng.h:41:34: note: passing argument to parameter 'diversifier' here
kem.c:                   unsigned char *diversifier,
kem.c:                                  ^
kem.c: kem.c:305:21: warning: unused variable 'b0' [-Wunused-variable]
kem.c:       unsigned char b0=1;
kem.c:                     ^
kem.c: 4 warnings generated.

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

Implementation	Compiler
`T:opt`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:opt`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:opt`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:opt`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:opt`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`

Compiler output

kem.c: kem.c: In function 'crypto_kem_oddmanhattan128_opt_timingleaks_keypair':
kem.c: kem.c:30:15: warning: pointer targets in passing argument 1 of 'randombytes' differ in signedness [-Wpointer-sign]
kem.c:    30 |   randombytes(seed,crypto_kem_BYTES);
kem.c:       |               ^~~~
kem.c:       |               |
kem.c:       |               char *
kem.c: In file included from kem.c:5:
kem.c: .../supercop-data/rome0/amd64/include/randombytes.h:8:25: note: expected 'unsigned char *' but argument is of type 'char *'
kem.c:     8 | extern void randombytes(unsigned char *,unsigned long long);
kem.c:       |                         ^~~~~~~~~~~~~~~
kem.c: kem.c:35:25: warning: pointer targets in passing argument 2 of 'seedexpander_init' differ in signedness [-Wpointer-sign]
kem.c:    35 |   seedexpander_init(ctx,seed,diversifier,maxlen);
kem.c:       |                         ^~~~
kem.c:       |                         |
kem.c:       |                         char *
kem.c: In file included from kem.c:3:
kem.c: rng.h:40:34: note: expected 'unsigned char *' but argument is of type 'char *'
kem.c:    40 |                   unsigned char *seed,
kem.c:       |                   ~~~~~~~~~~~~~~~^~~~
kem.c: kem.c: In function 'om_kem_enc':
kem.c: kem.c:131:30: warning: pointer targets in passing argument 3 of 'seedexpander_init' differ in signedness [-Wpointer-sign]
kem.c:   131 |   seedexpander_init(ctx,seed,diversifier,maxlen);
kem.c:       |                              ^~~~~~~~~~~
kem.c:       |                              |
kem.c:       |                              char *
kem.c: ...
rng.c: rng.c: In function 'AES256_ECB':
rng.c: rng.c:122:9: warning: variable 'ciphertext_len' set but not used [-Wunused-but-set-variable]
rng.c:   122 |     int ciphertext_len;
rng.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 (10.2.1_20210110)`
`T:opt`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:opt`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:opt`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`

Compiler output

kem.c: kem.c:30:15: warning: passing 'char [32]' to parameter of type 'unsigned char *' converts between pointers to integer types with different sign [-Wpointer-sign]
kem.c:   randombytes(seed,crypto_kem_BYTES);
kem.c:               ^~~~
kem.c: .../supercop-data/rome0/amd64/include/randombytes.h:8:40: note: passing argument to parameter here
kem.c: extern void randombytes(unsigned char *,unsigned long long);
kem.c:                                        ^
kem.c: kem.c:35:25: warning: passing 'char [32]' to parameter of type 'unsigned char *' converts between pointers to integer types with different sign [-Wpointer-sign]
kem.c:   seedexpander_init(ctx,seed,diversifier,maxlen);
kem.c:                         ^~~~
kem.c: ./rng.h:40:34: note: passing argument to parameter 'seed' here
kem.c:                   unsigned char *seed,
kem.c:                                  ^
kem.c: kem.c:125:30: warning: passing 'char [8]' to parameter of type 'unsigned char *' converts between pointers to integer types with different sign [-Wpointer-sign]
kem.c:   seedexpander_init(ctx,seed,diversifier,maxlen);
kem.c:                              ^~~~~~~~~~~
kem.c: ./rng.h:41:34: note: passing argument to parameter 'diversifier' here
kem.c:                   unsigned char *diversifier,
kem.c:                                  ^
kem.c: kem.c:235:21: warning: unused variable 'b0' [-Wunused-variable]
kem.c:       unsigned char b0=1;
kem.c:                     ^
kem.c: 4 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 (Debian_Clang_11.0.1)`
`T:ref`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:ref`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:ref`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:ref`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`

Compiler output

kem.c: kem.c: In function 'crypto_kem_oddmanhattan128_ref_timingleaks_keypair':
kem.c: kem.c:30:15: warning: pointer targets in passing argument 1 of 'randombytes' differ in signedness [-Wpointer-sign]
kem.c:    30 |   randombytes(seed,crypto_kem_BYTES);
kem.c:       |               ^~~~
kem.c:       |               |
kem.c:       |               char *
kem.c: In file included from kem.c:5:
kem.c: .../supercop-data/rome0/amd64/include/randombytes.h:8:25: note: expected 'unsigned char *' but argument is of type 'char *'
kem.c:     8 | extern void randombytes(unsigned char *,unsigned long long);
kem.c:       |                         ^~~~~~~~~~~~~~~
kem.c: kem.c:35:25: warning: pointer targets in passing argument 2 of 'seedexpander_init' differ in signedness [-Wpointer-sign]
kem.c:    35 |   seedexpander_init(ctx,seed,diversifier,maxlen);
kem.c:       |                         ^~~~
kem.c:       |                         |
kem.c:       |                         char *
kem.c: In file included from kem.c:3:
kem.c: rng.h:40:34: note: expected 'unsigned char *' but argument is of type 'char *'
kem.c:    40 |                   unsigned char *seed,
kem.c:       |                   ~~~~~~~~~~~~~~~^~~~
kem.c: kem.c: In function 'om_kem_enc':
kem.c: kem.c:125:30: warning: pointer targets in passing argument 3 of 'seedexpander_init' differ in signedness [-Wpointer-sign]
kem.c:   125 |   seedexpander_init(ctx,seed,diversifier,maxlen);
kem.c:       |                              ^~~~~~~~~~~
kem.c:       |                              |
kem.c:       |                              char *
kem.c: ...
rng.c: rng.c: In function 'AES256_ECB':
rng.c: rng.c:122:9: warning: variable 'ciphertext_len' set but not used [-Wunused-but-set-variable]
rng.c:   122 |     int ciphertext_len;
rng.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 (10.2.1_20210110)`
`T:ref`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:ref`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:ref`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`