Implementation notes: amd64, panther, crypto_encrypt/lotus192

Computer: panther
Microarchitecture: amd64; Tiger Lake (806c1)
Architecture: amd64
CPU ID: GenuineIntel-000806c1-00-bfebfbff
SUPERCOP version: 20231107
Operation: crypto_encrypt
Primitive: lotus192

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
1428195	52911 0 8	85649 924 1784	`T:opt`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20230602	20230530
1443398	45991 0 8	78617 924 1784	`T:opt`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20230602	20230530
1565506	23559 0 8	56241 924 1784	`T:ref`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20230602	20230530
1597870	55242 0 8	87425 924 1752	`T:opt`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20230602	20230530
1608760	27815 0 8	60529 924 1784	`T:ref`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20230602	20230530
1727350	31504 0 8	63633 924 1752	`T:ref`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20230602	20230530
3163863	12029 0 8	41815 916 1752	`T:opt`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20230602	20230530
3219563	12590 0 8	43126 908 1816	`T:avx2`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20230602	20230530
5848310	9046 0 8	38911 916 1752	`T:ref`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20230602	20230530
5899560	8616 0 8	38255 916 1752	`T:ref`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20230602	20230530
6071732	12995 0 8	43574 908 1816	`T:opt`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20230602	20230530
6103111	11873 0 8	41815 916 1752	`T:opt`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20230602	20230530
6580449	10097 0 8	39182 900 1816	`T:avx2`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20230602	20230530
10589921	10081 0 8	39222 900 1816	`T:opt`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20230602	20230530

Test failure

Implementation: T:avx2
Security model: timingleaks
Compiler: gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE

error 111
crypto_encrypt_open does not handle c=t overlap

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

Compiler	Implementations
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:avx2 T:opt
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 -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:ref

Test failure

Implementation: T:avx2
Security model: timingleaks
Compiler: gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE

error 111

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

Compiler	Implementations
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:avx2 T:opt T:ref

Compiler output

Implementation: T:avx2
Security model: timingleaks
Compiler: clang -march=native -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: 4, namely:

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

Compiler output

Implementation: T:avx2
Security model: timingleaks
Compiler: clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

lwe-arithmetics_avx2.c: lwe-arithmetics_avx2.c:158:12: error: always_inline function '_mm256_setzero_si256' requires target feature 'avx', but would be inlined into function 'submat_negmul' that is compiled without support for 'avx'
lwe-arithmetics_avx2.c: c[0] = _mm256_setzero_si256();
lwe-arithmetics_avx2.c: ^
lwe-arithmetics_avx2.c: lwe-arithmetics_avx2.c:158:12: error: AVX vector return of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
lwe-arithmetics_avx2.c: lwe-arithmetics_avx2.c:159:12: error: always_inline function '_mm256_setzero_si256' requires target feature 'avx', but would be inlined into function 'submat_negmul' that is compiled without support for 'avx'
lwe-arithmetics_avx2.c: c[1] = _mm256_setzero_si256();
lwe-arithmetics_avx2.c: ^
lwe-arithmetics_avx2.c: lwe-arithmetics_avx2.c:159:12: error: AVX vector return of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
lwe-arithmetics_avx2.c: lwe-arithmetics_avx2.c:160:12: error: always_inline function '_mm256_setzero_si256' requires target feature 'avx', but would be inlined into function 'submat_negmul' that is compiled without support for 'avx'
lwe-arithmetics_avx2.c: c[2] = _mm256_setzero_si256();
lwe-arithmetics_avx2.c: ^
lwe-arithmetics_avx2.c: lwe-arithmetics_avx2.c:160:12: error: AVX vector return of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
lwe-arithmetics_avx2.c: lwe-arithmetics_avx2.c:161:12: error: always_inline function '_mm256_setzero_si256' requires target feature 'avx', but would be inlined into function 'submat_negmul' that is compiled without support for 'avx'
lwe-arithmetics_avx2.c: c[3] = _mm256_setzero_si256();
lwe-arithmetics_avx2.c: ^
lwe-arithmetics_avx2.c: lwe-arithmetics_avx2.c:161:12: error: AVX vector return of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
lwe-arithmetics_avx2.c: lwe-arithmetics_avx2.c:162:12: error: always_inline function '_mm256_setzero_si256' requires target feature 'avx', but would be inlined into function 'submat_negmul' that is compiled without support for 'avx'
lwe-arithmetics_avx2.c: c[4] = _mm256_setzero_si256();
lwe-arithmetics_avx2.c: ^
lwe-arithmetics_avx2.c: lwe-arithmetics_avx2.c:162:12: error: AVX vector return of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
lwe-arithmetics_avx2.c: lwe-arithmetics_avx2.c:163:12: error: always_inline function '_mm256_setzero_si256' requires target feature 'avx', but would be inlined into function 'submat_negmul' that is compiled without support for 'avx'
lwe-arithmetics_avx2.c: c[5] = _mm256_setzero_si256();
lwe-arithmetics_avx2.c: ^
lwe-arithmetics_avx2.c: lwe-arithmetics_avx2.c:163:12: error: AVX vector return of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
lwe-arithmetics_avx2.c: lwe-arithmetics_avx2.c:166:11: error: always_inline function '_mm256_set1_epi16' requires target feature 'avx', but would be inlined into function 'submat_negmul' that is compiled without support for 'avx'
lwe-arithmetics_avx2.c: ...

Number of similar (compiler,implementation) pairs: 1, namely:

Compiler	Implementations
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:avx2