Implementation notes: amd64, h8bobcat, crypto_sign/ed25519

Computer: h8bobcat
Microarchitecture: amd64; Bobcat (500f10)
Architecture: amd64
CPU ID: AuthenticAMD-00500f20-178bfbff
SUPERCOP version: 20240425
Operation: crypto_sign
Primitive: ed25519

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
797463	94994 0 0	104302 816 1608	`amd64-64-24k`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240504	20240425
799411	89693 0 0	99197 840 1576	`amd64-64-24k`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240504	20240425
800095	92043 0 0	101526 816 1608	`amd64-64-24k`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240504	20240425
800456	91727 0 0	101685 840 1576	`amd64-64-24k`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240504	20240425
801430	96353 0 0	107445 840 1576	`amd64-64-24k`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240504	20240425
803495	88602 0 0	98079 832 1576	`amd64-64-24k`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240504	20240425
803899	95349 0 0	106349 840 1576	`amd64-64-24k`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240504	20240425
1116944	84440 0 0	93406 816 1608	`amd64-51-30k`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240504	20240425
1119604	78031 0 0	87581 840 1576	`amd64-51-30k`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240504	20240425
1119817	81115 0 0	90238 816 1608	`amd64-51-30k`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240504	20240425
1121086	79573 0 0	89557 840 1576	`amd64-51-30k`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240504	20240425
1121504	81450 0 0	92565 840 1576	`amd64-51-30k`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240504	20240425
1122948	77452 0 0	86623 832 1576	`amd64-51-30k`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240504	20240425
1281090	91936 0 0	100958 816 1608	`amd64-64-24k`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240504	20240425
1303504	90553 0 0	98766 808 1608	`amd64-64-24k`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240504	20240425
1794878	80817 0 0	89478 816 1608	`amd64-51-30k`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240504	20240425
1797239	80441 0 0	91469 840 1576	`amd64-51-30k`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240504	20240425
1815597	79520 0 0	87462 808 1608	`amd64-51-30k`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240504	20240425
2425697	60976 0 0	81933 840 1576	`ref10`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240504	20240425
2453574	62841 0 0	84181 840 1576	`ref10`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240504	20240425
2468266	56402 0 0	74431 832 1576	`ref10`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240504	20240425
2517500	58694 0 0	77477 840 1576	`ref10`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240504	20240425
2593837	59692 0 0	77806 816 1608	`ref10`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240504	20240425
2596412	58557 0 0	75446 808 1608	`ref10`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240504	20240425
3898724	58972 0 0	78789 840 1576	`ref10`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240504	20240425
4115500	60651 0 0	80966 816 1608	`ref10`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240504	20240425
4200715	59564 0 0	78438 816 1608	`ref10`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240504	20240425

Compiler output

Implementation: amd64-64-24k
Security model: constbranchindex
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE

ge25519_scalarmult_base.c: ge25519_scalarmult_base.c: In function 'crypto_sign_ed25519_amd64_64_24k_constbranchindex_scalarmult_base':
ge25519_scalarmult_base.c: <command-line>: warning: 'crypto_sign_ed25519_amd64_64_24k_constbranchindex_sc25519_window4' accessing 85 bytes in a region of size 64 [-Wstringop-overflow=]
ge25519_scalarmult_base.c: <command-line>: note: in definition of macro 'CRYPTO_NAMESPACE'
ge25519_scalarmult_base.c: ge25519_scalarmult_base.c:24:3: note: in expansion of macro 'sc25519_window4'
ge25519_scalarmult_base.c: 24 | sc25519_window4(b,s);
ge25519_scalarmult_base.c: | ^~~~~~~~~~~~~~~
ge25519_scalarmult_base.c: <command-line>: note: referencing argument 1 of type 'signed char *'
ge25519_scalarmult_base.c: <command-line>: note: in definition of macro 'CRYPTO_NAMESPACE'
ge25519_scalarmult_base.c: ge25519_scalarmult_base.c:24:3: note: in expansion of macro 'sc25519_window4'
ge25519_scalarmult_base.c: 24 | sc25519_window4(b,s);
ge25519_scalarmult_base.c: | ^~~~~~~~~~~~~~~
ge25519_scalarmult_base.c: <command-line>: note: in a call to function 'crypto_sign_ed25519_amd64_64_24k_constbranchindex_sc25519_window4'
ge25519_scalarmult_base.c: <command-line>: note: in definition of macro 'CRYPTO_NAMESPACE'
ge25519_scalarmult_base.c: sc25519.h:58:6: note: in expansion of macro 'sc25519_window4'
ge25519_scalarmult_base.c: 58 | void sc25519_window4(signed char r[85], const sc25519 *s);
ge25519_scalarmult_base.c: | ^~~~~~~~~~~~~~~

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

Compiler	Implementations
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	amd64-64-24k
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	amd64-64-24k
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE	amd64-64-24k
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	amd64-64-24k

Compiler output

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

try.c: /usr/bin/ld: libcrypto_sign_ed25519.a(open.o):(.rodata+0x0): multiple definition of `crypto_sign_ed25519_ref_constbranchindex_ge25519_base'; libcrypto_sign_ed25519.a(keypair.o):(.rodata+0x0): first defined here
try.c: /usr/bin/ld: libcrypto_sign_ed25519.a(sign.o):(.rodata+0x0): multiple definition of `crypto_sign_ed25519_ref_constbranchindex_ge25519_base'; libcrypto_sign_ed25519.a(keypair.o):(.rodata+0x0): first defined here
try.c: /usr/bin/ld: libcrypto_sign_ed25519.a(ge25519.o):(.rodata+0x0): multiple definition of `crypto_sign_ed25519_ref_constbranchindex_ge25519_base'; libcrypto_sign_ed25519.a(keypair.o):(.rodata+0x0): first defined here
try.c: clang: error: linker command failed with exit code 1 (use -v to see invocation)

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

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

Compiler output

Implementation: ref
Security model: constbranchindex
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE

try.c: /usr/bin/ld: libcrypto_sign_ed25519.a(open.o):(.rodata+0x0): multiple definition of `crypto_sign_ed25519_ref_constbranchindex_ge25519_base'; libcrypto_sign_ed25519.a(keypair.o):(.rodata+0x0): first defined here
try.c: /usr/bin/ld: libcrypto_sign_ed25519.a(sign.o):(.rodata+0x0): multiple definition of `crypto_sign_ed25519_ref_constbranchindex_ge25519_base'; libcrypto_sign_ed25519.a(keypair.o):(.rodata+0x0): first defined here
try.c: /usr/bin/ld: libcrypto_sign_ed25519.a(ge25519.o):(.rodata+0x1aa80): multiple definition of `crypto_sign_ed25519_ref_constbranchindex_ge25519_base'; libcrypto_sign_ed25519.a(keypair.o):(.rodata+0x0): first defined here
try.c: collect2: error: ld returned 1 exit status

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

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