Implementation notes: aarch64, gcc185, crypto_kem/oddmanhattan256

Computer: gcc185
Microarchitecture: aarch64; Skylark (503f0002)
Architecture: aarch64
CPU ID: 503f0002
SUPERCOP version: 20240107
Operation: crypto_kem
Primitive: oddmanhattan256

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
733523925	5452 0 0	198582 976 1624	`T:opt`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240103	20231212
734791875	8400 0 52	204426 968 1632	`T:opt`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240103	20231212
736569525	8400 0 52	204426 968 1632	`T:opt`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240103	20231212
737991750	5880 0 0	200342 976 1640	`T:opt`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240103	20231212
738406725	5496 0 52	199922 968 1616	`T:opt`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240103	20231212
738538950	4796 0 52	197586 968 1616	`T:opt`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240103	20231212
738740925	4896 0 52	197460 960 1616	`T:opt`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240103	20231212
746326050	5232 0 0	198574 976 1624	`T:opt`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240103	20231212
747998550	4736 0 0	196902 960 1608	`T:opt`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240103	20231212
1682400150	4160 0 52	193474 968 1616	`T:ref`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240104	20231212
1684161450	4952 0 52	195890 968 1616	`T:ref`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240104	20231212
1685878425	4276 0 52	193364 960 1616	`T:ref`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240104	20231212
1692489150	4724 0 0	194382 976 1624	`T:ref`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240103	20231212
1694207175	5596 0 52	198138 968 1632	`T:ref`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240104	20231212
1694657925	5596 0 52	198138 968 1632	`T:ref`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240103	20231212
1695406725	4080 0 0	192766 960 1608	`T:ref`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240103	20231212
1701989400	5136 0 0	196118 976 1640	`T:ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240103	20231212
1702667325	4464 0 0	194334 976 1624	`T:ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240103	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: 30 | randombytes(seed,crypto_kem_BYTES);
kem.c: | ^~~~
kem.c: /home/djb/benchmarking/supercop-20231212/supercop-data/cfarm185/aarch64/include/randombytes.h:8:40: note: passing argument to parameter here
kem.c: 8 | 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: 35 | seedexpander_init(ctx,seed,diversifier,maxlen);
kem.c: | ^~~~
kem.c: ./rng.h:40:34: note: passing argument to parameter 'seed' here
kem.c: 40 | 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: 131 | seedexpander_init(ctx,seed,diversifier,maxlen);
kem.c: | ^~~~~~~~~~~
kem.c: ./rng.h:41:34: note: passing argument to parameter 'diversifier' here
kem.c: 41 | 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: 30 | randombytes(seed,crypto_kem_BYTES);
kem.c: | ^~~~
kem.c: /home/djb/benchmarking/supercop-20231212/supercop-data/cfarm185/aarch64/include/randombytes.h:8:40: note: passing argument to parameter here
kem.c: 8 | 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: 35 | seedexpander_init(ctx,seed,diversifier,maxlen);
kem.c: | ^~~~
kem.c: ./rng.h:40:34: note: passing argument to parameter 'seed' here
kem.c: 40 | 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: 125 | seedexpander_init(ctx,seed,diversifier,maxlen);
kem.c: | ^~~~~~~~~~~
kem.c: ./rng.h:41:34: note: passing argument to parameter 'diversifier' here
kem.c: 41 | 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