Implementation notes: amd64, hydra8, crypto_kem/oddmanhattan256

Computer: hydra8
Microarchitecture: amd64; Ivy Bridge+AES (306a9)
Architecture: amd64
CPU ID: GenuineIntel-000306a9-bfebfbff
SUPERCOP version: 20240107
Operation: crypto_kem
Primitive: oddmanhattan256

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
587521161	5919 0 52	246961 996 1792	`T:opt`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231216	20231212
587693451	6047 0 52	236988 948 1856	`T:opt`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231216	20231212
588041344	4868 0 52	243883 988 1792	`T:opt`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231216	20231212
588327805	7619 0 52	250585 996 1792	`T:opt`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231216	20231212
589031187	6023 0 52	236612 948 1856	`T:opt`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231216	20231212
590741179	6601 0 52	238788 948 1856	`T:opt`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231216	20231212
593081339	5340 0 52	234804 940 1824	`T:opt`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231216	20231212
598731582	7639 0 52	249313 996 1792	`T:opt`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231216	20231212
601304333	5244 0 52	244553 996 1792	`T:opt`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231216	20231212
1724811704	6695 0 52	242054 996 1792	`T:ref`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231216	20231212
1725313083	4348 0 52	237422 996 1792	`T:ref`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231216	20231212
1814342480	5785 0 52	232132 948 1856	`T:ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231216	20231212
1866210558	5239 0 52	230012 948 1856	`T:ref`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231216	20231212
1873739176	5103 0 52	239894 996 1792	`T:ref`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231216	20231212
1902539691	4655 0 52	228284 940 1824	`T:ref`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231216	20231212
1907407698	5167 0 52	230268 948 1856	`T:ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231216	20231212
1938709725	6691 0 52	243390 996 1792	`T:ref`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231216	20231212
1973001384	4071 0 52	236816 988 1792	`T:ref`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231216	20231212

Compiler output

Implementation: T:opt
Security model: timingleaks
Compiler: clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

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: /home/djb/benchmarking/supercop-20231212/supercop-data/hydra8/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: 3 warnings generated.

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

Compiler	Implementations
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:opt
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:opt
clang -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:opt
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:opt
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:opt

Compiler output

Implementation: T:ref
Security model: timingleaks
Compiler: clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

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: /home/djb/benchmarking/supercop-20231212/supercop-data/hydra8/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: 3 warnings generated.

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

Compiler	Implementations
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:ref
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:ref
clang -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:ref
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:ref
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:ref