Implementation notes: amd64, gcc14, crypto_kem/mceliece6688128

Computer: gcc14
Architecture: amd64
CPU ID: GenuineIntel-00010676-bfebfbff
SUPERCOP version: 20220506
Operation: crypto_kem
Primitive: mceliece6688128

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
3861187	88927 0 0	180043 828 1712	`vec`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20211108	20211108
3882681	89651 0 0	181587 828 1712	`vec`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20211108	20211108
4127558	69274 0 0	159269 820 1712	`vec`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20211108	20211108
4142339	88927 0 0	180043 828 1712	`vec`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20211108	20211108
4183121	88899 0 0	180947 828 1712	`vec`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20211108	20211108
4319678	82302 0 0	173934 852 1744	`vec`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20211108	20211108
4358270	66113 0 0	156318 844 1712	`vec`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20211108	20211108
4609378	81940 0 0	173078 852 1744	`vec`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20211108	20211108
516791025	27431 0 0	118579 828 1712	`ref`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20211108	20211108
516796484	27431 0 0	118579 828 1712	`ref`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20211108	20211108
516898896	27399 0 0	119483 828 1712	`ref`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20211108	20211108
516940550	29453 0 0	121403 828 1712	`ref`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20211108	20211108
564542553	33423 0 0	126856 860 1744	`ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20211108	20211108
635726946	13340 0 0	103349 820 1712	`ref`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20211108	20211108
705975044	11948 0 0	102070 844 1712	`ref`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20211108	20211108
729986432	15014 0 0	106150 852 1744	`ref`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20211108	20211108
737401029	15197 0 0	106782 852 1744	`ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20211108	20211108

Test failure

Implementation: sse
Security model: constbranchindex
Compiler: clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

error 111

Number of similar (compiler,implementation) pairs: 9, namely:

Compiler	Implementations
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	sse
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	sse
clang -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	sse
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	sse
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	sse
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	sse
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE	sse
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	sse
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	vec

Compiler output

Implementation: avx
Security model: constbranchindex
Compiler: clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

bm.c: bm.c:139:44: error: always_inline function '_mm256_extract_epi64' requires target feature 'xsave', but would be inlined into function 'get_coefs' that is compiled without support for 'xsave'
bm.c: out[ (4*0 + k)*16 + i ] = (vec256_extract(buf[i], 0) >> (k*16)) & GFMASK;
bm.c: ^
bm.c: ./vec256.h:41:41: note: expanded from macro 'vec256_extract'
bm.c: #define vec256_extract(a,i) ((uint64_t) _mm256_extract_epi64((vec256) (a),(i)))
bm.c: ^
bm.c: bm.c:140:44: error: always_inline function '_mm256_extract_epi64' requires target feature 'xsave', but would be inlined into function 'get_coefs' that is compiled without support for 'xsave'
bm.c: out[ (4*1 + k)*16 + i ] = (vec256_extract(buf[i], 1) >> (k*16)) & GFMASK;
bm.c: ^
bm.c: ./vec256.h:41:41: note: expanded from macro 'vec256_extract'
bm.c: #define vec256_extract(a,i) ((uint64_t) _mm256_extract_epi64((vec256) (a),(i)))
bm.c: ^
bm.c: bm.c:141:44: error: always_inline function '_mm256_extract_epi64' requires target feature 'xsave', but would be inlined into function 'get_coefs' that is compiled without support for 'xsave'
bm.c: out[ (4*2 + k)*16 + i ] = (vec256_extract(buf[i], 2) >> (k*16)) & GFMASK;
bm.c: ^
bm.c: ./vec256.h:41:41: note: expanded from macro 'vec256_extract'
bm.c: #define vec256_extract(a,i) ((uint64_t) _mm256_extract_epi64((vec256) (a),(i)))
bm.c: ^
bm.c: bm.c:142:44: error: always_inline function '_mm256_extract_epi64' requires target feature 'xsave', but would be inlined into function 'get_coefs' that is compiled without support for 'xsave'
bm.c: out[ (4*3 + k)*16 + i ] = (vec256_extract(buf[i], 3) >> (k*16)) & GFMASK;
bm.c: ^
bm.c: ./vec256.h:41:41: note: expanded from macro 'vec256_extract'
bm.c: #define vec256_extract(a,i) ((uint64_t) _mm256_extract_epi64((vec256) (a),(i)))
bm.c: ^
bm.c: ./vec256.h:32:10: error: always_inline function '_mm256_setzero_si256' requires target feature 'xsave', but would be inlined into function 'vec256_setzero' that is compiled without support for 'xsave'
bm.c: ...

Number of similar (compiler,implementation) pairs: 8, namely:

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

Compiler output

Implementation: avx
Security model: constbranchindex
Compiler: clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

bm.c: bm.c:139:44: error: always_inline function '_mm256_extract_epi64' requires target feature 'sse4.2', but would be inlined into function 'get_coefs' that is compiled without support for 'sse4.2'
bm.c: out[ (4*0 + k)*16 + i ] = (vec256_extract(buf[i], 0) >> (k*16)) & GFMASK;
bm.c: ^
bm.c: ./vec256.h:41:41: note: expanded from macro 'vec256_extract'
bm.c: #define vec256_extract(a,i) ((uint64_t) _mm256_extract_epi64((vec256) (a),(i)))
bm.c: ^
bm.c: bm.c:140:44: error: always_inline function '_mm256_extract_epi64' requires target feature 'sse4.2', but would be inlined into function 'get_coefs' that is compiled without support for 'sse4.2'
bm.c: out[ (4*1 + k)*16 + i ] = (vec256_extract(buf[i], 1) >> (k*16)) & GFMASK;
bm.c: ^
bm.c: ./vec256.h:41:41: note: expanded from macro 'vec256_extract'
bm.c: #define vec256_extract(a,i) ((uint64_t) _mm256_extract_epi64((vec256) (a),(i)))
bm.c: ^
bm.c: bm.c:141:44: error: always_inline function '_mm256_extract_epi64' requires target feature 'sse4.2', but would be inlined into function 'get_coefs' that is compiled without support for 'sse4.2'
bm.c: out[ (4*2 + k)*16 + i ] = (vec256_extract(buf[i], 2) >> (k*16)) & GFMASK;
bm.c: ^
bm.c: ./vec256.h:41:41: note: expanded from macro 'vec256_extract'
bm.c: #define vec256_extract(a,i) ((uint64_t) _mm256_extract_epi64((vec256) (a),(i)))
bm.c: ^
bm.c: bm.c:142:44: error: always_inline function '_mm256_extract_epi64' requires target feature 'sse4.2', but would be inlined into function 'get_coefs' that is compiled without support for 'sse4.2'
bm.c: out[ (4*3 + k)*16 + i ] = (vec256_extract(buf[i], 3) >> (k*16)) & GFMASK;
bm.c: ^
bm.c: ./vec256.h:41:41: note: expanded from macro 'vec256_extract'
bm.c: #define vec256_extract(a,i) ((uint64_t) _mm256_extract_epi64((vec256) (a),(i)))
bm.c: ^
bm.c: ./vec256.h:32:10: error: always_inline function '_mm256_setzero_si256' requires target feature 'sse4.2', but would be inlined into function 'vec256_setzero' that is compiled without support for 'sse4.2'
bm.c: ...

Number of similar (compiler,implementation) pairs: 2, namely:

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

Compiler output

Implementation: avx
Security model: constbranchindex
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE

benes.c: In file included from transpose.h:12:0,
benes.c: from benes.c:11:
benes.c: vec256.h: In function 'vec256_set1_16b':
benes.c: vec256.h:21:1: warning: AVX vector return without AVX enabled changes the ABI [-Wpsabi]
benes.c: {
benes.c: ^
bm.c: In file included from bm.h:11:0,
bm.c: from bm.c:13:
bm.c: vec256.h: In function 'vec256_set1_16b':
bm.c: vec256.h:21:1: warning: AVX vector return without AVX enabled changes the ABI [-Wpsabi]
bm.c: {
bm.c: ^
bm.c: vec256.h: In function 'vec256_and':
bm.c: vec256.h:48:22: note: The ABI for passing parameters with 32-byte alignment has changed in GCC 4.6
bm.c: static inline vec256 vec256_and(vec256 a, vec256 b)
bm.c: ^~~~~~~~~~
bm.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/6/include/immintrin.h:41:0,
bm.c: from vec256.h:16,
bm.c: from bm.h:11,
bm.c: from bm.c:13:
bm.c: vec256.h: In function 'vec256_set1_16b':
bm.c: /usr/lib/gcc/x86_64-linux-gnu/6/include/avxintrin.h:1300:1: error: inlining failed in call to always_inline '_mm256_set1_epi16': target specific option mismatch
bm.c: _mm256_set1_epi16 (short __A)
bm.c: ^~~~~~~~~~~~~~~~~
bm.c: In file included from bm.h:11:0,
bm.c: from bm.c:13:
bm.c: vec256.h:22:9: note: called from here
bm.c: return _mm256_set1_epi16(a);
bm.c: ^~~~~~~~~~~~~~~~~~~~

Number of similar (compiler,implementation) pairs: 8, namely:

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

Compiler output

Implementation: sse
Security model: constbranchindex
Compiler: clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

decrypt.c: In file included from decrypt.c:8:
decrypt.c: In file included from ./fft_tr.h:10:
decrypt.c: ./vec128.h:40:9: error: always_inline function '_mm_testz_si128' requires target feature 'ssse3', but would be inlined into function 'vec128_testz' that is compiled without support for 'ssse3'
decrypt.c: return _mm_testz_si128(a, a);
decrypt.c: ^
decrypt.c: fatal error: error in backend: Cannot select: 0x5596378967c0: i32 = X86ISD::PTEST 0x55963787c390, 0x55963787c390
decrypt.c: 0x55963787c390: v2i64,ch = CopyFromReg 0x559637755c50, Register:v2i64 %vreg81
decrypt.c: 0x5596377ea080: v2i64 = Register %vreg81
decrypt.c: 0x55963787c390: v2i64,ch = CopyFromReg 0x559637755c50, Register:v2i64 %vreg81
decrypt.c: 0x5596377ea080: v2i64 = Register %vreg81
decrypt.c: In function: crypto_kem_mceliece6688128_sse_constbranchindex_decrypt
decrypt.c: clang: error: clang frontend command failed with exit code 70 (use -v to see invocation)
decrypt.c: clang version 3.8.1-24 (tags/RELEASE_381/final)
decrypt.c: Target: x86_64-pc-linux-gnu
decrypt.c: Thread model: posix
decrypt.c: InstalledDir: /usr/bin
decrypt.c: clang: note: diagnostic msg: PLEASE submit a bug report to http://llvm.org/bugs/ and include the crash backtrace, preprocessed source, and associated run script.
decrypt.c: clang: note: diagnostic msg:
decrypt.c: ********************
decrypt.c:
decrypt.c: PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
decrypt.c: Preprocessed source(s) and associated run script(s) are located at:
decrypt.c: clang: note: diagnostic msg: /tmp/decrypt-f629c8.c
decrypt.c: clang: note: diagnostic msg: /tmp/decrypt-f629c8.sh
decrypt.c: clang: note: diagnostic msg:
decrypt.c: ...

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

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