Implementation notes: amd64, icelake, crypto_kem/lotus192

Computer: icelake
Architecture: amd64
CPU ID: GenuineIntel-000706e5-bfebfbff
SUPERCOP version: 20200826
Operation: crypto_kem
Primitive: lotus192

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
387851	28538 8 0	61440 4096 0	`T:avx2`	`opt-local-bin-gcc_-march=icelake-client_-mtune=icelake-client_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200830	20200826
464211	46536 8 0	77824 4096 0	`T:opt`	`opt-local-bin-gcc_-march=icelake-client_-mtune=icelake-client_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200830	20200826
785298	28591 8 0	61440 4096 0	`T:ref`	`opt-local-bin-gcc_-march=icelake-client_-mtune=icelake-client_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200830	20200826
1668751	41662 8 0	69632 4096 0	`T:opt`	`clang_-march=icelake-client_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20200830	20200826
1708228	47184 8 0	77824 4096 0	`T:opt`	`clang_-march=icelake-client_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20200830	20200826
1849485	21222 8 0	49152 4096 0	`T:ref`	`clang_-march=icelake-client_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20200830	20200826
1859561	25230 8 0	53248 4096 0	`T:ref`	`clang_-march=icelake-client_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20200830	20200826
3032949	12661 8 0	40960 4096 0	`T:opt`	`clang_-march=icelake-client_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20200830	20200826
3320794	13658 8 0	40960 4096 0	`T:avx2`	`opt-local-bin-gcc_-march=icelake-client_-mtune=icelake-client_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200830	20200826
5969969	10363 8 0	40960 4096 0	`T:ref`	`opt-local-bin-gcc_-march=icelake-client_-mtune=icelake-client_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200830	20200826
6002569	8993 8 0	36864 4096 0	`T:ref`	`clang_-march=icelake-client_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20200830	20200826
6140305	14115 8 0	45056 4096 0	`T:opt`	`opt-local-bin-gcc_-march=icelake-client_-mtune=icelake-client_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200830	20200826
6765693	10868 8 0	36864 4096 0	`T:avx2`	`opt-local-bin-gcc_-march=icelake-client_-mtune=icelake-client_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200830	20200826
10833783	10880 8 0	36864 4096 0	`T:opt`	`opt-local-bin-gcc_-march=icelake-client_-mtune=icelake-client_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200830	20200826
10876960	8349 8 0	36864 4096 0	`T:ref`	`opt-local-bin-gcc_-march=icelake-client_-mtune=icelake-client_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200830	20200826

Compiler output

Implementation: T:avx2
Security model: timingleaks
Compiler: clang -march=icelake-client -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

lwe-arithmetics_avx2.c: lwe-arithmetics_avx2.c:211:5: warning: array index 4 is past the end of the array (which contains 4 elements) [-Warray-bounds]
lwe-arithmetics_avx2.c: c[4] = _mm256_loadu_si256((__m256i*)(C + 64));
lwe-arithmetics_avx2.c: ^ ~
lwe-arithmetics_avx2.c: lwe-arithmetics_avx2.c:204:3: note: array 'c' declared here
lwe-arithmetics_avx2.c: __m256i a, b[4], c[4];
lwe-arithmetics_avx2.c: ^
lwe-arithmetics_avx2.c: lwe-arithmetics_avx2.c:212:5: warning: array index 5 is past the end of the array (which contains 4 elements) [-Warray-bounds]
lwe-arithmetics_avx2.c: c[5] = _mm256_loadu_si256((__m256i*)(C + 80));
lwe-arithmetics_avx2.c: ^ ~
lwe-arithmetics_avx2.c: lwe-arithmetics_avx2.c:204:3: note: array 'c' declared here
lwe-arithmetics_avx2.c: __m256i a, b[4], c[4];
lwe-arithmetics_avx2.c: ^
lwe-arithmetics_avx2.c: lwe-arithmetics_avx2.c:220:7: warning: array index 4 is past the end of the array (which contains 4 elements) [-Warray-bounds]
lwe-arithmetics_avx2.c: b[4] = _mm256_loadu_si256((__m256i*)(p + 64));
lwe-arithmetics_avx2.c: ^ ~
lwe-arithmetics_avx2.c: lwe-arithmetics_avx2.c:204:3: note: array 'b' declared here
lwe-arithmetics_avx2.c: __m256i a, b[4], c[4];
lwe-arithmetics_avx2.c: ^
lwe-arithmetics_avx2.c: lwe-arithmetics_avx2.c:221:7: warning: array index 5 is past the end of the array (which contains 4 elements) [-Warray-bounds]
lwe-arithmetics_avx2.c: b[5] = _mm256_loadu_si256((__m256i*)(p + 80));
lwe-arithmetics_avx2.c: ^ ~
lwe-arithmetics_avx2.c: lwe-arithmetics_avx2.c:204:3: note: array 'b' declared here
lwe-arithmetics_avx2.c: __m256i a, b[4], c[4];
lwe-arithmetics_avx2.c: ^
lwe-arithmetics_avx2.c: lwe-arithmetics_avx2.c:226:33: warning: array index 4 is past the end of the array (which contains 4 elements) [-Warray-bounds]
lwe-arithmetics_avx2.c: ...

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

Compiler	Implementations
clang -march=icelake-client -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:avx2
clang -march=icelake-client -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:avx2
clang -march=icelake-client -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:avx2

Compiler output

Implementation: T:opt
Security model: timingleaks
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	T:opt
clang -march=icelake-client -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:opt
clang -march=icelake-client -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:opt
clang -march=icelake-client -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:ref
clang -march=icelake-client -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:ref
clang -march=icelake-client -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:ref