Implementation notes: amd64, comet, crypto_encrypt/ntruees787ep1

Computer: comet
Microarchitecture: amd64; Comet Lake (806ec)
Architecture: amd64
CPU ID: GenuineIntel-000806ec-bfebfbff
SUPERCOP version: 20240107
Operation: crypto_encrypt
Primitive: ntruees787ep1

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
307713	42403 116 0	71668 996 1792	`T:ref`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240117	20231222
310065	51840 116 0	79642 940 1792	`T:ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240117	20231222
310429	42771 116 0	72300 996 1824	`T:ref`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240117	20231222
387630	36291 116 0	64172 996 1760	`T:ref`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240117	20231222
827110	31890 116 0	57874 940 1792	`T:ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240117	20231222
832855	28477 116 0	54642 988 1824	`T:ref`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240117	20231222
901788	28737 116 0	54260 996 1760	`T:ref`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240117	20231222
974412	26574 116 0	50978 932 1792	`T:ref`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240117	20231222
1062410	30415 116 0	55850 940 1792	`T:ref`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240117	20231222

Compiler output

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

ntru_encrypt.c: ntru_encrypt.c:477:26: warning: using the result of an assignment as a condition without parentheses [-Wparentheses]
ntru_encrypt.c: if (ci_coeff = *chkR_ptr++ & 0x0001) {
ntru_encrypt.c: ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
ntru_encrypt.c: ntru_encrypt.c:477:26: note: place parentheses around the assignment to silence this warning
ntru_encrypt.c: if (ci_coeff = *chkR_ptr++ & 0x0001) {
ntru_encrypt.c: ^
ntru_encrypt.c: ( )
ntru_encrypt.c: ntru_encrypt.c:477:26: note: use '==' to turn this assignment into an equality comparison
ntru_encrypt.c: if (ci_coeff = *chkR_ptr++ & 0x0001) {
ntru_encrypt.c: ^
ntru_encrypt.c: ==
ntru_encrypt.c: ntru_encrypt.c:493:22: warning: using the result of an assignment as a condition without parentheses [-Wparentheses]
ntru_encrypt.c: if (ci_coeff = *chkR_ptr++ & 0x0001) {
ntru_encrypt.c: ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
ntru_encrypt.c: ntru_encrypt.c:493:22: note: place parentheses around the assignment to silence this warning
ntru_encrypt.c: if (ci_coeff = *chkR_ptr++ & 0x0001) {
ntru_encrypt.c: ^
ntru_encrypt.c: ( )
ntru_encrypt.c: ntru_encrypt.c:493:22: note: use '==' to turn this assignment into an equality comparison
ntru_encrypt.c: if (ci_coeff = *chkR_ptr++ & 0x0001) {
ntru_encrypt.c: ^
ntru_encrypt.c: ==
ntru_encrypt.c: 2 warnings generated.
try.c: /usr/bin/ld: warning: crypto_stream_chacha20_moon_avx2_64_constbranchindex-chacha.o: missing .note.GNU-stack section implies executable stack
try.c: /usr/bin/ld: NOTE: This behaviour is deprecated and will be removed in a future version of the linker
try.c: /usr/bin/ld: warning: crypto_stream_chacha20_moon_avx2_64_constbranchindex-chacha.o: missing .note.GNU-stack section implies executable stack
try.c: /usr/bin/ld: NOTE: This behaviour is deprecated and will be removed in a future version of the linker

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

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

Compiler output

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

try.c: /usr/bin/ld: warning: crypto_stream_chacha20_moon_avx2_64_constbranchindex-chacha.o: missing .note.GNU-stack section implies executable stack
try.c: /usr/bin/ld: NOTE: This behaviour is deprecated and will be removed in a future version of the linker
try.c: /usr/bin/ld: warning: crypto_stream_chacha20_moon_avx2_64_constbranchindex-chacha.o: missing .note.GNU-stack section implies executable stack
try.c: /usr/bin/ld: NOTE: This behaviour is deprecated and will be removed in a future version of the linker

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

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