Implementation notes: amd64, icelake, crypto_sign/ed25519

Computer: icelake
Architecture: amd64
CPU ID: GenuineIntel-000706e5-bfebfbff
SUPERCOP version: 20200826
Operation: crypto_sign
Primitive: ed25519

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
531498	58230 0 0	90112 4096 0	`ref10`	`opt-local-bin-gcc_-march=icelake-client_-mtune=icelake-client_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200827	20200826
562245	58687 0 0	90112 4096 0	`ref10`	`opt-local-bin-gcc_-march=icelake-client_-mtune=icelake-client_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200827	20200826
568632	62442 0 0	94208 4096 0	`ref10`	`clang_-march=icelake-client_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20200827	20200826
569098	58164 0 0	86016 4096 0	`ref10`	`clang_-march=icelake-client_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20200827	20200826
570308	60079 0 0	90112 4096 0	`ref10`	`clang_-march=icelake-client_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20200827	20200826
582368	58208 0 0	86016 4096 0	`ref10`	`opt-local-bin-gcc_-march=icelake-client_-mtune=icelake-client_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200827	20200826
6464970	135067 0 0	167936 4096 0	`ref`	`clang_-march=icelake-client_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20200827	20200826
6534489	131675 0 0	163840 4096 0	`ref`	`clang_-march=icelake-client_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20200827	20200826
6609941	121925 0 0	151552 4096 0	`ref`	`clang_-march=icelake-client_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20200827	20200826

Compiler output

Implementation: amd64-51-30k
Security model: constbranchindex
Compiler: clang -march=icelake-client -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

consts.S: consts.S:1:17: error: unexpected token in '.section' directive
consts.S: .section .rodata
consts.S: ^

Number of similar (compiler,implementation) pairs: 12, namely:

Compiler	Implementations
clang -march=icelake-client -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	amd64-51-30k
clang -march=icelake-client -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	amd64-51-30k
clang -march=icelake-client -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	amd64-51-30k
opt-local-bin-gcc -march=icelake-client -mtune=icelake-client -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	amd64-51-30k
opt-local-bin-gcc -march=icelake-client -mtune=icelake-client -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	amd64-51-30k
opt-local-bin-gcc -march=icelake-client -mtune=icelake-client -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	amd64-51-30k
clang -march=icelake-client -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	amd64-64-24k
clang -march=icelake-client -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	amd64-64-24k
clang -march=icelake-client -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	amd64-64-24k
opt-local-bin-gcc -march=icelake-client -mtune=icelake-client -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	amd64-64-24k
opt-local-bin-gcc -march=icelake-client -mtune=icelake-client -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	amd64-64-24k
opt-local-bin-gcc -march=icelake-client -mtune=icelake-client -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	amd64-64-24k

Compiler output

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

measure.c: ld: warning: could not create compact unwind for _crypto_stream_aes256ctr_dolbeau_aesenc_int_constbranchindex_xor: register 3 saved somewhere other than in frame

Number of similar (compiler,implementation) pairs: 6, namely:

Compiler	Implementations
clang -march=icelake-client -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	ref
clang -march=icelake-client -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	ref
clang -march=icelake-client -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	ref
clang -march=icelake-client -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	ref10
clang -march=icelake-client -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	ref10
clang -march=icelake-client -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	ref10

Compiler output

Implementation: ref
Security model: constbranchindex
Compiler: opt-local-bin-gcc -march=icelake-client -mtune=icelake-client -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE

try.c: duplicate symbol '_crypto_sign_ed25519_ref_constbranchindex_ge25519_base' in:
try.c: crypto_sign_ed25519.a(sign.o)
try.c: crypto_sign_ed25519.a(ge25519.o)
try.c: duplicate symbol '_crypto_sign_ed25519_ref_constbranchindex_ge25519_base' in:
try.c: crypto_sign_ed25519.a(sign.o)
try.c: crypto_sign_ed25519.a(keypair.o)
try.c: duplicate symbol '_crypto_sign_ed25519_ref_constbranchindex_ge25519_base' in:
try.c: crypto_sign_ed25519.a(sign.o)
try.c: crypto_sign_ed25519.a(open.o)
try.c: ld: 3 duplicate symbols for architecture x86_64
try.c: collect2: error: ld returned 1 exit status

Number of similar (compiler,implementation) pairs: 3, namely:

Compiler	Implementations
opt-local-bin-gcc -march=icelake-client -mtune=icelake-client -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	ref
opt-local-bin-gcc -march=icelake-client -mtune=icelake-client -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	ref
opt-local-bin-gcc -march=icelake-client -mtune=icelake-client -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	ref