Implementation notes: amd64, alder2,1f626960,5600000, crypto_kem/titaniumccastd

Computer: alder2,1f626960,5600000
Microarchitecture: amd64; Golden Cove (906a4-40)
Architecture: amd64
CPU ID: GenuineIntel-000906a4-40-bfebfbff
SUPERCOP version: 20240808
Operation: crypto_kem
Primitive: titaniumccastd
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
195575789518 0 64252728 788 1848T:avx2gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024073020240716
198882386227 0 64247536 788 1848T:avx2gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024073020240716
203320085956 0 64246856 788 1848T:avx2gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024073020240716
252106874633 0 36237112 820 1784T:optclang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024073020240716
253171683448 0 36246136 820 1784T:optclang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024073020240716
268051865903 0 36228840 820 1784T:optclang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024073020240716
272048351427 0 36211750 812 1784T:optclang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024073020240716
281126950116 0 64211624 788 1848T:optgcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024073020240716
290163884415 0 64247384 788 1848T:optgcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024073020240716
291739350003 0 64211144 788 1848T:optgcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024073020240716
34858226555023 0 64218008 788 1848T:refgcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024073020240716
34896438132573 0 64194008 788 1848T:refgcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024073020240716
34999154552391 0 36215312 820 1784T:refclang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024073020240716
35321056042920 0 36205616 820 1784T:refclang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024073020240716
35340081675217 0 36238056 820 1784T:refclang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024073020240716
35342490733119 0 36193398 812 1784T:refclang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024073020240716
35356404233011 0 36193718 812 1784T:refclang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024073020240716
35410512532650 0 64193632 788 1848T:refgcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024073020240716
78004696831229 0 64191008 780 1816T:refgcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024073020240716

Compiler output


encrypt.c: In file included from encrypt.c:18:
encrypt.c: In file included from /usr/lib/llvm-11/lib/clang/11.0.1/include/x86intrin.h:13:
encrypt.c: /usr/lib/llvm-11/lib/clang/11.0.1/include/ia32intrin.h:210:16: error: expected identifier or '('
encrypt.c:   unsigned int D;
encrypt.c:                ^
encrypt.c: ./param.h:28:11: note: expanded from macro 'D'
encrypt.c: #define D 256
encrypt.c:           ^
encrypt.c: In file included from encrypt.c:18:
encrypt.c: In file included from /usr/lib/llvm-11/lib/clang/11.0.1/include/x86intrin.h:13:
encrypt.c: /usr/lib/llvm-11/lib/clang/11.0.1/include/ia32intrin.h:211:20: error: cannot take the address of an rvalue of type 'int'
encrypt.c:   __builtin_memcpy(&D, &__A, sizeof(__A));
encrypt.c:                    ^~
encrypt.c: /usr/lib/llvm-11/lib/clang/11.0.1/include/ia32intrin.h:227:22: error: expected identifier or '('
encrypt.c:   unsigned long long D;
encrypt.c:                      ^
encrypt.c: ./param.h:28:11: note: expanded from macro 'D'
encrypt.c: #define D 256
encrypt.c:           ^
encrypt.c: In file included from encrypt.c:18:
encrypt.c: In file included from /usr/lib/llvm-11/lib/clang/11.0.1/include/x86intrin.h:13:
encrypt.c: /usr/lib/llvm-11/lib/clang/11.0.1/include/ia32intrin.h:228:20: error: cannot take the address of an rvalue of type 'int'
encrypt.c:   __builtin_memcpy(&D, &__A, sizeof(__A));
encrypt.c:                    ^~
encrypt.c: /usr/lib/llvm-11/lib/clang/11.0.1/include/ia32intrin.h:244:9: error: expected identifier or '('
encrypt.c: ...

Number of similar (implementation,compiler) pairs: 5, namely:
ImplementationCompiler
T:avx2clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)
T:avx2clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)
T:avx2clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)
T:avx2clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)
T:avx2clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)

Compiler output


try.c: /usr/bin/ld: libcrypto_kem_titaniumccastd.a(sampler.o): in function `sampler_zq':
try.c: .../supercop-data/alder2,1f626960,5600000/amd64/try/c/gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_kem/titaniumccastd/avx2/work/sampler.c:160: undefined reference to `barrett_zq'
try.c: collect2: error: ld returned 1 exit status

Number of similar (implementation,compiler) pairs: 1, namely:
ImplementationCompiler
T:avx2gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)

Compiler output


try.c: /usr/bin/ld: libcrypto_kem_titaniumccastd.a(encrypt.o): in function `crypto_encrypt_keypair':
try.c: .../supercop-data/alder2,1f626960,5600000/amd64/try/c/clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_kem/titaniumccastd/opt/work/encrypt.c:59: undefined reference to `barrett_4q2'
try.c: /usr/bin/ld: .../supercop-data/alder2,1f626960,5600000/amd64/try/c/clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_kem/titaniumccastd/opt/work/encrypt.c:67: undefined reference to `barrett_4q'
try.c: /usr/bin/ld: libcrypto_kem_titaniumccastd.a(encrypt.o): in function `crypto_encrypt':
try.c: .../supercop-data/alder2,1f626960,5600000/amd64/try/c/clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_kem/titaniumccastd/opt/work/encrypt.c:140: undefined reference to `barrett_4q2'
try.c: /usr/bin/ld: .../supercop-data/alder2,1f626960,5600000/amd64/try/c/clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_kem/titaniumccastd/opt/work/encrypt.c:150: undefined reference to `barrett_4q2'
try.c: /usr/bin/ld: libcrypto_kem_titaniumccastd.a(encrypt.o): in function `crypto_encrypt_open':
try.c: .../supercop-data/alder2,1f626960,5600000/amd64/try/c/clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_kem/titaniumccastd/opt/work/encrypt.c:194: undefined reference to `barrett_4q2'
try.c: /usr/bin/ld: libcrypto_kem_titaniumccastd.a(ntt.o): in function `ntt_core':
try.c: .../supercop-data/alder2,1f626960,5600000/amd64/try/c/clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_kem/titaniumccastd/opt/work/ntt.c:536: undefined reference to `barrett_2q2'
try.c: /usr/bin/ld: libcrypto_kem_titaniumccastd.a(ntt.o): in function `ntt_butterfly_1024_1792':
try.c: .../supercop-data/alder2,1f626960,5600000/amd64/try/c/clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_kem/titaniumccastd/opt/work/ntt.c:590: undefined reference to `barrett_8q'
try.c: /usr/bin/ld: libcrypto_kem_titaniumccastd.a(ntt.o): in function `intt_core':
try.c: .../supercop-data/alder2,1f626960,5600000/amd64/try/c/clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_kem/titaniumccastd/opt/work/ntt.c:564: undefined reference to `barrett_2q2'
try.c: /usr/bin/ld: .../supercop-data/alder2,1f626960,5600000/amd64/try/c/clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_kem/titaniumccastd/opt/work/ntt.c:576: undefined reference to `barrett_2q2'
try.c: /usr/bin/ld: libcrypto_kem_titaniumccastd.a(ntt.o): in function `ntt_butterfly_1792_768':
try.c: .../supercop-data/alder2,1f626960,5600000/amd64/try/c/clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_kem/titaniumccastd/opt/work/ntt.c:612: undefined reference to `barrett_16q'
try.c: /usr/bin/ld: libcrypto_kem_titaniumccastd.a(ntt.o): in function `ntt_butterfly_1024_1536':
try.c: .../supercop-data/alder2,1f626960,5600000/amd64/try/c/clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_kem/titaniumccastd/opt/work/ntt.c:632: undefined reference to `barrett_4q'
try.c: /usr/bin/ld: libcrypto_kem_titaniumccastd.a(ntt.o): in function `ntt_butterfly_1536_1536_inv':
try.c: .../supercop-data/alder2,1f626960,5600000/amd64/try/c/clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_kem/titaniumccastd/opt/work/ntt.c:646: undefined reference to `barrett_8q'
try.c: /usr/bin/ld: libcrypto_kem_titaniumccastd.a(ntt.o): in function `ntt_butterfly_768_768_inv':
try.c: .../supercop-data/alder2,1f626960,5600000/amd64/try/c/clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_kem/titaniumccastd/opt/work/ntt.c:660: undefined reference to `barrett_8q'
try.c: /usr/bin/ld: libcrypto_kem_titaniumccastd.a(ntt.o): in function `ntt_butterfly_768_256':
try.c: .../supercop-data/alder2,1f626960,5600000/amd64/try/c/clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_kem/titaniumccastd/opt/work/ntt.c:668: undefined reference to `barrett_8q'
try.c: ...

Number of similar (implementation,compiler) pairs: 1, namely:
ImplementationCompiler
T:optclang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)

Compiler output


try.c: /usr/bin/ld: libcrypto_kem_titaniumccastd.a(encrypt.o): in function `crypto_encrypt_keypair':
try.c: .../supercop-data/alder2,1f626960,5600000/amd64/try/c/gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_kem/titaniumccastd/opt/work/encrypt.c:59: undefined reference to `barrett_4q2'
try.c: /usr/bin/ld: .../supercop-data/alder2,1f626960,5600000/amd64/try/c/gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_kem/titaniumccastd/opt/work/encrypt.c:67: undefined reference to `barrett_4q'
try.c: /usr/bin/ld: libcrypto_kem_titaniumccastd.a(encrypt.o): in function `crypto_encrypt':
try.c: .../supercop-data/alder2,1f626960,5600000/amd64/try/c/gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_kem/titaniumccastd/opt/work/encrypt.c:140: undefined reference to `barrett_4q2'
try.c: /usr/bin/ld: .../supercop-data/alder2,1f626960,5600000/amd64/try/c/gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_kem/titaniumccastd/opt/work/encrypt.c:150: undefined reference to `barrett_4q2'
try.c: /usr/bin/ld: libcrypto_kem_titaniumccastd.a(encrypt.o): in function `crypto_encrypt_open':
try.c: .../supercop-data/alder2,1f626960,5600000/amd64/try/c/gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_kem/titaniumccastd/opt/work/encrypt.c:194: undefined reference to `barrett_4q2'
try.c: /usr/bin/ld: libcrypto_kem_titaniumccastd.a(ntt.o): in function `ntt_2':
try.c: .../supercop-data/alder2,1f626960,5600000/amd64/try/c/gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_kem/titaniumccastd/opt/work/ntt.c:459: undefined reference to `barrett_4q'
try.c: /usr/bin/ld: .../supercop-data/alder2,1f626960,5600000/amd64/try/c/gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_kem/titaniumccastd/opt/work/ntt.c:460: undefined reference to `barrett_4q'
try.c: /usr/bin/ld: .../supercop-data/alder2,1f626960,5600000/amd64/try/c/gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_kem/titaniumccastd/opt/work/ntt.c:471: undefined reference to `barrett_4q'
try.c: /usr/bin/ld: .../supercop-data/alder2,1f626960,5600000/amd64/try/c/gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_kem/titaniumccastd/opt/work/ntt.c:472: undefined reference to `barrett_4q2'
try.c: /usr/bin/ld: .../supercop-data/alder2,1f626960,5600000/amd64/try/c/gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_kem/titaniumccastd/opt/work/ntt.c:490: undefined reference to `barrett_4q'
try.c: /usr/bin/ld: .../supercop-data/alder2,1f626960,5600000/amd64/try/c/gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_kem/titaniumccastd/opt/work/ntt.c:491: undefined reference to `barrett_4q'
try.c: /usr/bin/ld: .../supercop-data/alder2,1f626960,5600000/amd64/try/c/gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_kem/titaniumccastd/opt/work/ntt.c:496: undefined reference to `barrett_4q'
try.c: /usr/bin/ld: .../supercop-data/alder2,1f626960,5600000/amd64/try/c/gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_kem/titaniumccastd/opt/work/ntt.c:497: undefined reference to `barrett_4q2'
try.c: /usr/bin/ld: .../supercop-data/alder2,1f626960,5600000/amd64/try/c/gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_kem/titaniumccastd/opt/work/ntt.c:507: undefined reference to `barrett_4q'
try.c: /usr/bin/ld: .../supercop-data/alder2,1f626960,5600000/amd64/try/c/gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_kem/titaniumccastd/opt/work/ntt.c:508: undefined reference to `barrett_4q'
try.c: /usr/bin/ld: libcrypto_kem_titaniumccastd.a(ntt.o): in function `ntt_core':
try.c: .../supercop-data/alder2,1f626960,5600000/amd64/try/c/gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_kem/titaniumccastd/opt/work/ntt.c:536: undefined reference to `barrett_2q2'
try.c: /usr/bin/ld: libcrypto_kem_titaniumccastd.a(ntt.o): in function `intt_core':
try.c: .../supercop-data/alder2,1f626960,5600000/amd64/try/c/gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_kem/titaniumccastd/opt/work/ntt.c:564: undefined reference to `barrett_2q2'
try.c: /usr/bin/ld: .../supercop-data/alder2,1f626960,5600000/amd64/try/c/gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall/timingleaks/crypto_kem/titaniumccastd/opt/work/ntt.c:576: undefined reference to `barrett_2q2'
try.c: /usr/bin/ld: libcrypto_kem_titaniumccastd.a(ntt.o): in function `ntt_butterfly_1024_1792':
try.c: ...

Number of similar (implementation,compiler) pairs: 1, namely:
ImplementationCompiler
T:optgcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)

Namespace violations


encrypt.o crypto_encrypt T
encrypt.o crypto_encrypt_keypair T
encrypt.o crypto_encrypt_open T
fastrandombytes.o fastrandombytes T
fastrandombytes.o fastrandombytes_setseed T
fastrandombytes.o iv B
fastrandombytes.o key B
ntt.o intt_1536_1536_inv T
ntt.o intt_1792_256 T
ntt.o intt_1792_768 T
ntt.o intt_768_256 T
ntt.o ntt_1024_1536 T
ntt.o ntt_1024_1792 T
ntt.o ntt_1536_1792 T
ntt.o ntt_512_1536 T
ntt.o ntt_768_768_inv T
pack.o poly_decode T
pack.o poly_decode_c2 T
pack.o poly_encode T
pack.o poly_encode_c2 T
sampler.o sampler_binomial T
sampler.o sampler_zb T
sampler.o sampler_zq T

Number of similar (implementation,compiler) pairs: 10, namely:
ImplementationCompiler
T:avx2gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)
T:avx2gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)
T:avx2gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)
T:optclang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)
T:optclang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)
T:optclang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)
T:optclang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)
T:optgcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)
T:optgcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)
T:optgcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)

Namespace violations


encrypt.o crypto_encrypt T
encrypt.o crypto_encrypt_keypair T
encrypt.o crypto_encrypt_open T
fastrandombytes.o fastrandombytes T
fastrandombytes.o fastrandombytes_setseed T
fastrandombytes.o iv B
fastrandombytes.o key B
ntt.o intt_1536_1536_inv T
ntt.o intt_1792_1792 T
ntt.o intt_768_768 T
ntt.o ntt_1536_1536 T
ntt.o ntt_768_768_inv T
pack.o poly_decode T
pack.o poly_decode_c2 T
pack.o poly_encode T
pack.o poly_encode_c2 T
product.o mp T
product.o product T
sampler.o sampler_binomial T
sampler.o sampler_zb T
sampler.o sampler_zq T

Number of similar (implementation,compiler) pairs: 9, namely:
ImplementationCompiler
T:refclang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)
T:refclang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)
T:refclang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)
T:refclang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)
T:refclang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)
T:refgcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)
T:refgcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)
T:refgcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)
T:refgcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)