Implementation notes: amd64, cel02, crypto_kem/saberx4

Computer: cel02
Architecture: amd64
CPU ID: GenuineIntel-00050657-bfebfbff
SUPERCOP version: 20201130
Operation: crypto_kem
Primitive: saberx4

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
508958	215067 32 0	338421 872 2880	`T:avx2`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20201211	20201130

Checksum failure

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

c90ec91053a8d4273fa2983ff1dbf75c86589da4954baad9e201a9370a6fe288

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

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

Checksum failure

Implementation: T:avx2
Security model: timingleaks
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE

28595c9f9cc355fd78036c2cf875713901c7515e6549ef17af2f1bebeb5cac1f

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

Compiler	Implementations
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:avx2

Checksum failure

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

138e8b8c0a9ee5e0ed77ce6f6074f0999dbf9b3ee01acea9ec478d85eafa7a44

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

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

Compiler output

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

verify.c: fatal error: error in backend: Cannot select: 0x55801ae22470: v64i8 = X86ISD::VBROADCAST 0x55801ae33e30
verify.c: 0x55801ae33e30: i8,ch = CopyFromReg 0x55801ad74e50, Register:i8 %vreg0
verify.c: 0x55801ae33aa0: i8 = Register %vreg0
verify.c: In function: cmov
verify.c: clang: error: clang frontend command failed with exit code 70 (use -v to see invocation)
verify.c: clang version 3.8.1-24 (tags/RELEASE_381/final)
verify.c: Target: x86_64-pc-linux-gnu
verify.c: Thread model: posix
verify.c: InstalledDir: /usr/bin
verify.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.
verify.c: clang: note: diagnostic msg:
verify.c: ********************
verify.c:
verify.c: PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
verify.c: Preprocessed source(s) and associated run script(s) are located at:
verify.c: clang: note: diagnostic msg: /tmp/verify-97571d.c
verify.c: clang: note: diagnostic msg: /tmp/verify-97571d.sh
verify.c: clang: note: diagnostic msg:
verify.c:
verify.c: ********************

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

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

Compiler output

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

verify.c: fatal error: error in backend: Cannot select: 0x558b3b9b1dc0: v64i8 = X86ISD::VBROADCAST 0x558b3b9c4790
verify.c: 0x558b3b9c4790: i8,ch = CopyFromReg 0x558b3b904f30, Register:i8 %vreg0
verify.c: 0x558b3b9c4400: i8 = Register %vreg0
verify.c: In function: cmov
verify.c: clang: error: clang frontend command failed with exit code 70 (use -v to see invocation)
verify.c: clang version 3.8.1-24 (tags/RELEASE_381/final)
verify.c: Target: x86_64-pc-linux-gnu
verify.c: Thread model: posix
verify.c: InstalledDir: /usr/bin
verify.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.
verify.c: clang: note: diagnostic msg:
verify.c: ********************
verify.c:
verify.c: PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
verify.c: Preprocessed source(s) and associated run script(s) are located at:
verify.c: clang: note: diagnostic msg: /tmp/verify-060e44.c
verify.c: clang: note: diagnostic msg: /tmp/verify-060e44.sh
verify.c: clang: note: diagnostic msg:
verify.c:
verify.c: ********************

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

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

Compiler output

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

verify.c: fatal error: error in backend: Cannot select: 0x56163a369350: v64i8 = X86ISD::VBROADCAST 0x56163a37c930
verify.c: 0x56163a37c930: i8,ch = CopyFromReg 0x56163a2bde40, Register:i8 %vreg0
verify.c: 0x56163a37c5a0: i8 = Register %vreg0
verify.c: In function: cmov
verify.c: clang: error: clang frontend command failed with exit code 70 (use -v to see invocation)
verify.c: clang version 3.8.1-24 (tags/RELEASE_381/final)
verify.c: Target: x86_64-pc-linux-gnu
verify.c: Thread model: posix
verify.c: InstalledDir: /usr/bin
verify.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.
verify.c: clang: note: diagnostic msg:
verify.c: ********************
verify.c:
verify.c: PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
verify.c: Preprocessed source(s) and associated run script(s) are located at:
verify.c: clang: note: diagnostic msg: /tmp/verify-18f664.c
verify.c: clang: note: diagnostic msg: /tmp/verify-18f664.sh
verify.c: clang: note: diagnostic msg:
verify.c:
verify.c: ********************

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

Compiler	Implementations
clang -march=native -O -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

SABER_indcpa.c: In file included from SABER_indcpa.c:8:
SABER_indcpa.c: In file included from ././polymul/toom-cook_4way.c:6:
SABER_indcpa.c: ././polymul/scm_avx.c:43:9: error: always_inline function '_mm256_mullo_epi16' requires target feature 'sse4.2', but would be inlined into function 'schoolbook_avx_new3_acc' that is compiled without support for 'sse4.2'
SABER_indcpa.c: temp = _mm256_mullo_epi16 (a0, b1);
SABER_indcpa.c: ^
SABER_indcpa.c: ././polymul/scm_avx.c:45:13: error: always_inline function '_mm256_add_epi16' requires target feature 'sse4.2', but would be inlined into function 'schoolbook_avx_new3_acc' that is compiled without support for 'sse4.2'
SABER_indcpa.c: c_avx[1] = _mm256_add_epi16(temp, c_avx[1]);
SABER_indcpa.c: ^
SABER_indcpa.c: ././polymul/scm_avx.c:48:9: error: always_inline function '_mm256_mullo_epi16' requires target feature 'sse4.2', but would be inlined into function 'schoolbook_avx_new3_acc' that is compiled without support for 'sse4.2'
SABER_indcpa.c: temp = _mm256_mullo_epi16 (a0, b2);
SABER_indcpa.c: ^
SABER_indcpa.c: ././polymul/scm_avx.c:51:13: error: always_inline function '_mm256_add_epi16' requires target feature 'sse4.2', but would be inlined into function 'schoolbook_avx_new3_acc' that is compiled without support for 'sse4.2'
SABER_indcpa.c: c_avx[2] = _mm256_add_epi16(temp, c_avx[2]);
SABER_indcpa.c: ^
SABER_indcpa.c: ././polymul/scm_avx.c:54:9: error: always_inline function '_mm256_mullo_epi16' requires target feature 'sse4.2', but would be inlined into function 'schoolbook_avx_new3_acc' that is compiled without support for 'sse4.2'
SABER_indcpa.c: temp = _mm256_mullo_epi16 (a0, b3);
SABER_indcpa.c: ^
SABER_indcpa.c: ././polymul/scm_avx.c:58:13: error: always_inline function '_mm256_add_epi16' requires target feature 'sse4.2', but would be inlined into function 'schoolbook_avx_new3_acc' that is compiled without support for 'sse4.2'
SABER_indcpa.c: c_avx[3] = _mm256_add_epi16(temp, c_avx[3]);
SABER_indcpa.c: ^
SABER_indcpa.c: ././polymul/scm_avx.c:60:9: error: always_inline function '_mm256_mullo_epi16' requires target feature 'sse4.2', but would be inlined into function 'schoolbook_avx_new3_acc' that is compiled without support for 'sse4.2'
SABER_indcpa.c: temp = _mm256_mullo_epi16 (a0, b4);
SABER_indcpa.c: ^
SABER_indcpa.c: ././polymul/scm_avx.c:65:13: error: always_inline function '_mm256_add_epi16' requires target feature 'sse4.2', but would be inlined into function 'schoolbook_avx_new3_acc' that is compiled without support for 'sse4.2'
SABER_indcpa.c: c_avx[4] = _mm256_add_epi16(temp, c_avx[4]);
SABER_indcpa.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