Implementation notes: amd64, samba, crypto_kem/kyber768

Computer: samba
Microarchitecture: amd64; Skylake (506e3)
Architecture: amd64
CPU ID: GenuineIntel-000506e3-bfebfbff
SUPERCOP version: 20240625
Operation: crypto_kem
Primitive: kyber768
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
96725143339 0 0165379 852 1760avx2clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625
97349148167 0 0170507 852 1824avx2clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625
98818128218 0 0147549 844 1824avx2clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625
104581133746 0 0152363 852 1760avx2clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625
33581493767 0 0125003 852 1824compactclang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625
36778165019 0 096339 852 1760compactclang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625
39194067333 0 098597 812 1792compactgcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625
46990780456 0 0110787 852 1760compactclang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625
47792678581 0 0101059 852 1824refclang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625
4823516862 0 035805 844 1824compactclang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625
51104012221 0 031941 844 1824refclang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625
51203837077 0 059211 852 1760refclang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625
5141998606 0 036715 852 1760compactclang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625
52286437366 0 058899 852 1760refclang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625
5459516535 0 035749 812 1792compactgcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625
54926414651 0 033771 852 1760refclang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625
6193696338 0 035125 812 1792compactgcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625
7766745741 0 033453 804 1760compactgcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625

Compiler output


KeccakP-1600-times4-SIMD256.c: KeccakP-1600-times4-SIMD256.c:146:9: error: always_inline function '_mm256_loadu_si256' requires target feature 'avx', but would be inlined into function 'crypto_kem_kyber768_avx2_constbranchindex_KeccakP1600times4_AddLanesAll' that is compiled without support for 'avx'
KeccakP-1600-times4-SIMD256.c:         Xor_In4( 0 );
KeccakP-1600-times4-SIMD256.c:         ^
KeccakP-1600-times4-SIMD256.c: KeccakP-1600-times4-SIMD256.c:135:42: note: expanded from macro 'Xor_In4'
KeccakP-1600-times4-SIMD256.c:     #define Xor_In4( argIndex ) lanes0 = LOAD256u( curData0[argIndex]),\
KeccakP-1600-times4-SIMD256.c:                                          ^
KeccakP-1600-times4-SIMD256.c: KeccakP-1600-times4-SIMD256.c:44:37: note: expanded from macro 'LOAD256u'
KeccakP-1600-times4-SIMD256.c:     #define LOAD256u(a)             _mm256_loadu_si256((const V256 *)&(a))
KeccakP-1600-times4-SIMD256.c:                                     ^
KeccakP-1600-times4-SIMD256.c: KeccakP-1600-times4-SIMD256.c:146:9: error: AVX vector return of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
KeccakP-1600-times4-SIMD256.c: KeccakP-1600-times4-SIMD256.c:135:42: note: expanded from macro 'Xor_In4'
KeccakP-1600-times4-SIMD256.c:     #define Xor_In4( argIndex ) lanes0 = LOAD256u( curData0[argIndex]),\
KeccakP-1600-times4-SIMD256.c:                                          ^
KeccakP-1600-times4-SIMD256.c: KeccakP-1600-times4-SIMD256.c:44:37: note: expanded from macro 'LOAD256u'
KeccakP-1600-times4-SIMD256.c:     #define LOAD256u(a)             _mm256_loadu_si256((const V256 *)&(a))
KeccakP-1600-times4-SIMD256.c:                                     ^
KeccakP-1600-times4-SIMD256.c: KeccakP-1600-times4-SIMD256.c:146:9: error: always_inline function '_mm256_loadu_si256' requires target feature 'avx', but would be inlined into function 'crypto_kem_kyber768_avx2_constbranchindex_KeccakP1600times4_AddLanesAll' that is compiled without support for 'avx'
KeccakP-1600-times4-SIMD256.c: KeccakP-1600-times4-SIMD256.c:136:42: note: expanded from macro 'Xor_In4'
KeccakP-1600-times4-SIMD256.c:                                 lanes1 = LOAD256u( curData1[argIndex]),\
KeccakP-1600-times4-SIMD256.c:                                          ^
KeccakP-1600-times4-SIMD256.c: KeccakP-1600-times4-SIMD256.c:44:37: note: expanded from macro 'LOAD256u'
KeccakP-1600-times4-SIMD256.c:     #define LOAD256u(a)             _mm256_loadu_si256((const V256 *)&(a))
KeccakP-1600-times4-SIMD256.c:                                     ^
KeccakP-1600-times4-SIMD256.c: KeccakP-1600-times4-SIMD256.c:146:9: error: AVX vector return of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
KeccakP-1600-times4-SIMD256.c: KeccakP-1600-times4-SIMD256.c:136:42: note: expanded from macro 'Xor_In4'
KeccakP-1600-times4-SIMD256.c: ...

Number of similar (implementation,compiler) pairs: 1, namely:
ImplementationCompiler
avx2clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)

Compiler output


kem.c: kem.c:24:32: warning: argument 1 of type 'uint8_t[1184]' {aka 'unsigned char[1184]'} with mismatched bound [-Warray-parameter=]
kem.c:    24 | int crypto_kem_keypair(uint8_t pk[KYBER_PUBLICKEYBYTES],
kem.c:       |                        ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
kem.c: In file included from kem.c:5:
kem.c: kem.h:33:33: note: previously declared as 'uint8_t *' {aka 'unsigned char *'}
kem.c:    33 | int crypto_kem_keypair(uint8_t *pk, uint8_t *sk);
kem.c:       |                        ~~~~~~~~~^~
kem.c: kem.c:25:32: warning: argument 2 of type 'uint8_t[2400]' {aka 'unsigned char[2400]'} with mismatched bound [-Warray-parameter=]
kem.c:    25 |                        uint8_t sk[KYBER_SECRETKEYBYTES])
kem.c:       |                        ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
kem.c: In file included from kem.c:5:
kem.c: kem.h:33:46: note: previously declared as 'uint8_t *' {aka 'unsigned char *'}
kem.c:    33 | int crypto_kem_keypair(uint8_t *pk, uint8_t *sk);
kem.c:       |                                     ~~~~~~~~~^~
kem.c: kem.c:50:28: warning: argument 1 of type 'uint8_t[1088]' {aka 'unsigned char[1088]'} with mismatched bound [-Warray-parameter=]
kem.c:    50 | int crypto_kem_enc(uint8_t ct[KYBER_CIPHERTEXTBYTES],
kem.c:       |                    ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
kem.c: In file included from kem.c:5:
kem.c: kem.h:36:29: note: previously declared as 'uint8_t *' {aka 'unsigned char *'}
kem.c:    36 | int crypto_kem_enc(uint8_t *ct, uint8_t *ss, const uint8_t *pk);
kem.c:       |                    ~~~~~~~~~^~
kem.c: kem.c:51:28: warning: argument 2 of type 'uint8_t[32]' {aka 'unsigned char[32]'} with mismatched bound [-Warray-parameter=]
kem.c:    51 |                    uint8_t ss[KYBER_SSBYTES],
kem.c:       |                    ~~~~~~~~^~~~~~~~~~~~~~~~~
kem.c: In file included from kem.c:5:
kem.c: ...

Number of similar (implementation,compiler) pairs: 4, namely:
ImplementationCompiler
avx2gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)
avx2gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)
avx2gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)
avx2gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)

Compiler output


kem.c: kem.c:23:32: warning: argument 1 of type 'uint8_t[1184]' {aka 'unsigned char[1184]'} with mismatched bound [-Warray-parameter=]
kem.c:    23 | int crypto_kem_keypair(uint8_t pk[KYBER_PUBLICKEYBYTES],
kem.c:       |                        ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
kem.c: In file included from kem.c:4:
kem.c: kem.h:33:33: note: previously declared as 'uint8_t *' {aka 'unsigned char *'}
kem.c:    33 | int crypto_kem_keypair(uint8_t *pk, uint8_t *sk);
kem.c:       |                        ~~~~~~~~~^~
kem.c: kem.c:24:32: warning: argument 2 of type 'uint8_t[2400]' {aka 'unsigned char[2400]'} with mismatched bound [-Warray-parameter=]
kem.c:    24 |                        uint8_t sk[KYBER_SECRETKEYBYTES])
kem.c:       |                        ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
kem.c: In file included from kem.c:4:
kem.c: kem.h:33:46: note: previously declared as 'uint8_t *' {aka 'unsigned char *'}
kem.c:    33 | int crypto_kem_keypair(uint8_t *pk, uint8_t *sk);
kem.c:       |                                     ~~~~~~~~~^~
kem.c: kem.c:51:28: warning: argument 1 of type 'uint8_t[1088]' {aka 'unsigned char[1088]'} with mismatched bound [-Warray-parameter=]
kem.c:    51 | int crypto_kem_enc(uint8_t ct[KYBER_CIPHERTEXTBYTES],
kem.c:       |                    ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
kem.c: In file included from kem.c:4:
kem.c: kem.h:36:29: note: previously declared as 'uint8_t *' {aka 'unsigned char *'}
kem.c:    36 | int crypto_kem_enc(uint8_t *ct, uint8_t *ss, const uint8_t *pk);
kem.c:       |                    ~~~~~~~~~^~
kem.c: kem.c:52:28: warning: argument 2 of type 'uint8_t[32]' {aka 'unsigned char[32]'} with mismatched bound [-Warray-parameter=]
kem.c:    52 |                    uint8_t ss[KYBER_SSBYTES],
kem.c:       |                    ~~~~~~~~^~~~~~~~~~~~~~~~~
kem.c: In file included from kem.c:4:
kem.c: ...

Number of similar (implementation,compiler) pairs: 4, namely:
ImplementationCompiler
refgcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)
refgcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)
refgcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)
refgcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)

Passed TIMECOP


TIMECOP iterations: 1

Number of similar (implementation,compiler) pairs: 18, namely:
ImplementationCompiler
avx2clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)
avx2clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)
avx2clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)
avx2clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)
compactclang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)
compactclang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)
compactclang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)
compactclang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)
compactclang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)
compactgcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)
compactgcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)
compactgcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)
compactgcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)
refclang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)
refclang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)
refclang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)
refclang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)
refclang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)