Implementation notes: aarch64, gcc185, crypto_kem/oddmanhattan128

Computer: gcc185
Microarchitecture: aarch64; Skylark (503f0002)
Architecture: aarch64
CPU ID: 503f0002
SUPERCOP version: 20240107
Operation: crypto_kem
Primitive: oddmanhattan128

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
192185025	4632 0 52	197378 968 1616	`T:opt`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240103	20231212
192263700	4624 0 52	197124 960 1616	`T:opt`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240103	20231212
192357525	5736 0 52	200098 968 1616	`T:opt`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240103	20231212
192775350	5088 0 0	198302 976 1624	`T:opt`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240103	20231212
192913425	5940 0 0	200270 976 1640	`T:opt`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240103	20231212
193259400	7148 0 52	203114 968 1632	`T:opt`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240103	20231212
193783350	7148 0 52	203114 968 1632	`T:opt`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240103	20231212
194065425	4632 0 0	196806 960 1608	`T:opt`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240103	20231212
196354200	5304 0 0	198438 976 1624	`T:opt`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240103	20231212
388809675	4144 0 52	193410 968 1616	`T:ref`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240103	20231212
389107275	5532 0 52	198026 968 1632	`T:ref`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240103	20231212
389193900	4136 0 52	193156 960 1616	`T:ref`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240103	20231212
389228625	5532 0 52	198026 968 1632	`T:ref`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240103	20231212
389702700	4936 0 52	195826 968 1616	`T:ref`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240103	20231212
391909350	4716 0 0	194366 976 1624	`T:ref`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240103	20231212
392433675	4068 0 0	192750 960 1608	`T:ref`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240103	20231212
392985600	4464 0 0	194198 976 1624	`T:ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240103	20231212
395443950	5332 0 0	196190 976 1640	`T:ref`	`gcc_-march=native_-mtune=native_-O3_-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