Implementation notes: amd64, nucnuc, crypto_hash/skein256256

Computer: nucnuc
Microarchitecture: amd64; Airmont (406c3)
Architecture: amd64
CPU ID: GenuineIntel-000406c3-bfebfbff
SUPERCOP version: 20240107
Operation: crypto_hash
Primitive: skein256256

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
18669	20014 0 0	30023 772 952	`T:opt`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231224	20231217
20962	21856 0 0	32200 780 952	`T:x64`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231224	20231217
20962	22674 0 0	33792 780 952	`T:x64`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231224	20231217
20969	21031 0 0	31055 772 952	`T:x64`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231224	20231217
21037	21241 0 0	31576 780 952	`T:opt`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231224	20231217
21037	22498 0 0	33616 780 952	`T:opt`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231224	20231217
21133	16591 0 0	25627 756 920	`T:x64`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231224	20231217
21536	15346 0 0	24371 756 920	`T:opt`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231224	20231217
48271	30977 0 0	43464 812 888	`T:opt`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231224	20231217
48272	30885 0 0	41728 812 888	`T:opt`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231224	20231217
49354	29571 0 0	39014 804 888	`T:opt`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231224	20231217
49550	31735 0 0	43824 812 888	`T:opt`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231224	20231217
50030	29857 0 0	39838 804 888	`T:opt`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231224	20231217

Compiler output

Implementation: T:x64
Security model: timingleaks
Compiler: clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

skein_block_x64.S: skein_block_x64.S:336:61: warning: trigraph ignored [-Wtrigraphs]
skein_block_x64.S: addq $LOCAL_SIZE,%rsp #get rid of locals (wipe??)
skein_block_x64.S: ^
skein_block_x64.S: 1 warning generated.
skein_block_x64.S: skein_block_x64.S:12:5: error: unknown directive
skein_block_x64.S: .psize 0,128 #list file has no page boundaries
skein_block_x64.S: ^
skein_block_x64.S: <instantiation>:2:7: error: expected absolute expression
skein_block_x64.S: .if _RCNT_ #is there anything to do?
skein_block_x64.S: ^
skein_block_x64.S: <instantiation>:4:5: note: while in macro instantiation
skein_block_x64.S: RotL64 rbx, 256,%((4*_Rbase_+0) % 8),0
skein_block_x64.S: ^
skein_block_x64.S: skein_block_x64.S:560:1: note: while in macro instantiation
skein_block_x64.S: .rept _UNROLL_CNT*2
skein_block_x64.S: ^
skein_block_x64.S: <instantiation>:1:10: error: invalid reassignment of non-absolute variable '_RCNT_'
skein_block_x64.S: _RCNT_ = RC_256&_0&_1
skein_block_x64.S: ^
skein_block_x64.S: <instantiation>:10:5: note: while in macro instantiation
skein_block_x64.S: RotL64 rdx, 256,%((4*_Rbase_+0) % 8),1
skein_block_x64.S: ^
skein_block_x64.S: skein_block_x64.S:560:1: note: while in macro instantiation
skein_block_x64.S: .rept _UNROLL_CNT*2
skein_block_x64.S: ^
skein_block_x64.S: ...

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

Compiler	Implementations
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:x64
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:x64
clang -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:x64
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:x64
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:x64

Compiler output

Implementation: T:x64
Security model: timingleaks
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE

skein_block_x64.S: skein_block_x64.S:336:61: warning: trigraph ??) ignored, use -trigraphs to enable [-Wtrigraphs]
skein_block_x64.S: 336 | addq $LOCAL_SIZE,%rsp #get rid of locals (wipe??)
skein_block_x64.S: |

Number of similar (compiler,implementation) pairs: 4, namely:

Compiler	Implementations
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:x64
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:x64
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:x64
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:x64