Implementation notes: amd64, speed2supercop, crypto_kem/oddmanhattan192

Computer: speed2supercop
Microarchitecture: amd64; Haswell+AES (306c3)
Architecture: amd64
CPU ID: GenuineIntel-000306c3-1fc9cbf5
SUPERCOP version: 20240625
Operation: crypto_kem
Primitive: oddmanhattan192

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
238695236	5280 0 52	214092 1088 1672	`T:opt`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240712	20240625
238702920	4730 0 52	213900 1104 1704	`T:opt`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240712	20240625
238720700	5901 0 52	216716 1088 1672	`T:opt`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240712	20240625
238801192	4983 0 52	213452 1088 1672	`T:opt`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240712	20240625
239256608	5114 0 52	213442 1112 1608	`T:opt`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240712	20240625
239467576	6465 0 52	218626 1112 1608	`T:opt`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240712	20240625
239729776	7848 0 52	218802 1112 1608	`T:opt`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240712	20240625
239796804	7835 0 52	220210 1112 1608	`T:opt`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240712	20240625
240215516	4600 0 52	211948 1080 1640	`T:opt`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240712	20240625
607139916	4319 0 52	209436 1088 1672	`T:ref`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240712	20240625
608441736	5141 0 52	212580 1088 1672	`T:ref`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240712	20240625
609921572	4085 0 52	209916 1104 1704	`T:ref`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240712	20240625
610123616	4045 0 52	208004 1080 1640	`T:ref`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240712	20240625
612029824	5707 0 52	214754 1112 1608	`T:ref`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240712	20240625
612510760	4520 0 52	209956 1088 1672	`T:ref`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240712	20240625
615108076	5249 0 52	214066 1112 1608	`T:ref`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240712	20240625
623820684	5720 0 52	213282 1112 1608	`T:ref`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240712	20240625
625731444	4394 0 52	209330 1112 1608	`T:ref`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240712	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 where one is of the unique plain 'char' type and the other is not [-Wpointer-sign]
kem.c:   randombytes(seed,crypto_kem_BYTES);
kem.c:               ^~~~
kem.c: .../supercop-data/speed2supercop/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 where one is of the unique plain 'char' type and the other is not [-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 where one is of the unique plain 'char' type and the other is not [-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.
rng.c: rng.c:122:9: warning: variable 'ciphertext_len' set but not used [-Wunused-but-set-variable]
rng.c:     int ciphertext_len;
rng.c:         ^
rng.c: 1 warning 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_16.0.6_(27+b1))`
`T:opt`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))`
`T:opt`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))`
`T:opt`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))`
`T:opt`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))`

Compiler output

kem.c: kem.c: In function 'crypto_kem_oddmanhattan192_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/speed2supercop/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 (13.3.0)`
`T:opt`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)`
`T:opt`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)`
`T:opt`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)`

Compiler output

kem.c: kem.c:30:15: warning: passing 'char[32]' to parameter of type 'unsigned char *' converts between pointers to integer types where one is of the unique plain 'char' type and the other is not [-Wpointer-sign]
kem.c:   randombytes(seed,crypto_kem_BYTES);
kem.c:               ^~~~
kem.c: .../supercop-data/speed2supercop/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 where one is of the unique plain 'char' type and the other is not [-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 where one is of the unique plain 'char' type and the other is not [-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.
rng.c: rng.c:122:9: warning: variable 'ciphertext_len' set but not used [-Wunused-but-set-variable]
rng.c:     int ciphertext_len;
rng.c:         ^
rng.c: 1 warning 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_16.0.6_(27+b1))`
`T:ref`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))`
`T:ref`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))`
`T:ref`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))`
`T:ref`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))`

Compiler output

kem.c: kem.c: In function 'crypto_kem_oddmanhattan192_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/speed2supercop/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 (13.3.0)`
`T:ref`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)`
`T:ref`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)`
`T:ref`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)`