Implementation notes: amd64, panther, crypto_hash/skein256256

Computer: panther
Microarchitecture: amd64; Tiger Lake (806c1)
Architecture: amd64
CPU ID: GenuineIntel-000806c1-00-bfebfbff
SUPERCOP version: 20231107
Operation: crypto_hash
Primitive: skein256256

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
10974	24591 0 0	36464 780 952	`T:opt`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20230529	20230530
10985	22343 0 0	32568 780 952	`T:opt`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20230529	20230530
11188	16257 0 0	25267 756 920	`T:opt`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20230529	20230530
11289	23211 0 0	35088 780 952	`T:x64`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20230529	20230530
11312	21671 0 0	31615 772 952	`T:x64`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20230529	20230530
11385	21561 0 0	31495 772 952	`T:opt`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20230529	20230530
11385	22068 0 0	32296 780 952	`T:x64`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20230529	20230530
11396	16582 0 0	25595 756 920	`T:x64`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20230529	20230530
27571	32160 0 0	41726 804 888	`T:opt`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20230529	20230530
27595	33006 0 0	45528 812 920	`T:opt`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20230529	20230530
27602	33066 0 0	45600 812 920	`T:opt`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20230529	20230530
27671	31735 0 0	43776 812 888	`T:opt`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20230529	20230530
28088	31697 0 0	41486 804 888	`T:opt`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20230529	20230530

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