Implementation notes: amd64, h8atom, crypto_sign/ed25519

Computer: h8atom
Microarchitecture: amd64; Bonnell (30661)
Architecture: amd64
CPU ID: GenuineIntel-00030661-bfebfbff
SUPERCOP version: 20240425
Operation: crypto_sign
Primitive: ed25519

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
1724408	92421 0 0	100734 816 1600	`amd64-64-24k`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240501	20240425
1727068	94318 0 0	103422 816 1600	`amd64-64-24k`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240501	20240425
1730904	89687 0 0	99093 840 1568	`amd64-64-24k`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240501	20240425
1732871	96353 0 0	106941 840 1568	`amd64-64-24k`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240501	20240425
1734677	89014 0 0	97943 832 1568	`amd64-64-24k`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240501	20240425
1738954	95926 0 0	107005 840 1568	`amd64-64-24k`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240501	20240425
1739640	90599 0 0	98310 808 1600	`amd64-64-24k`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240501	20240425
1740844	91737 0 0	101765 840 1568	`amd64-64-24k`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240501	20240425
1744974	92352 0 0	100262 816 1600	`amd64-64-24k`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240501	20240425
2276029	81863 0 0	89550 816 1600	`amd64-51-30k`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240501	20240425
2280530	80048 0 0	89781 840 1568	`amd64-51-30k`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240501	20240425
2295979	81613 0 0	88950 816 1600	`amd64-51-30k`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240501	20240425
2298499	81569 0 0	92333 840 1568	`amd64-51-30k`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240501	20240425
2298499	81450 0 0	91997 840 1568	`amd64-51-30k`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240501	20240425
2298758	84163 0 0	92598 816 1600	`amd64-51-30k`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240501	20240425
2305856	78495 0 0	87621 840 1568	`amd64-51-30k`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240501	20240425
2308516	79541 0 0	86918 808 1600	`amd64-51-30k`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240501	20240425
2309524	77519 0 0	86087 832 1568	`amd64-51-30k`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240501	20240425
4985365	59371 0 0	76815 832 1568	`ref10`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240501	20240425
4993898	59451 0 0	77718 816 1600	`ref10`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240501	20240425
5097169	60379 0 0	79958 816 1600	`ref10`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240501	20240425
5108397	58601 0 0	74918 808 1600	`ref10`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240501	20240425
5109531	61608 0 0	81309 840 1568	`ref10`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240501	20240425
5113339	64971 0 0	85829 840 1568	`ref10`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240501	20240425
5163130	59678 0 0	77214 816 1600	`ref10`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240501	20240425
5228111	62841 0 0	83605 840 1568	`ref10`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240501	20240425
5317613	61469 0 0	79941 840 1568	`ref10`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240501	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