Implementation notes: amd64, bolero, crypto_kem/threebears624r2cca

Computer: bolero
Microarchitecture: amd64; Broadwell+AES (406f1)
Architecture: amd64
CPU ID: GenuineIntel-000406f1-1fc9cbf5
SUPERCOP version: 20240808
Operation: crypto_kem
Primitive: threebears624r2cca
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
18787210788 0 0137167 840 1576vecclang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024081020240808
18793215747 0 0145927 840 1576vecclang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024081020240808
19322023375 0 0153823 840 1576vecclang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024081020240808
1965129220 0 0136377 832 1640vecclang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024081020240808
22776012102 0 036908 832 1576optclang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024081020240808
22788424739 0 053564 832 1576optclang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024081020240808
22910016325 0 044900 832 1576optclang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024081020240808
23716419438 0 046700 832 1576optclang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024081020240808
23907219438 0 046700 832 1576vecclang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024081020240808
2394569282 0 034798 824 1640optclang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024081020240808
28294416531 0 045428 832 1576lowmemclang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024081020240808
28519613823 0 042364 832 1576lowmemclang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024081020240808
2893647908 0 033446 824 1640lowmemclang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024081020240808
29484015110 0 042404 832 1576lowmemclang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024081020240808
31102410967 0 035748 832 1576lowmemclang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024081020240808
95690833780 0 057157 840 1576refclang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024081020240808
142194825636 0 048709 840 1576refclang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024081020240808
187073218679 0 040493 840 1576refclang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024081020240808
25058206522 0 027015 832 1640refclang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024081020240808
50152448493 0 028285 840 1576refclang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024081020240808

Compiler output


threebears.c: threebears.c:102:26: warning: argument 1 of type 'uint8_t *' {aka 'unsigned char *'} declared as a pointer [-Warray-parameter=]
threebears.c:   102 | void get_pubkey(uint8_t *pk, const uint8_t *seed) {
threebears.c:       |                 ~~~~~~~~~^~
threebears.c: In file included from threebears.c:8:
threebears.c: threebears.h:24:13: note: previously declared as an array 'uint8_t[804]' {aka 'unsigned char[804]'}
threebears.c:    24 |     uint8_t pk[PQCRYPTO_KEM_THREEBEARS624R2CCA_IMPL_PRIV_PUBLIC_KEY_BYTES],
threebears.c:       |     ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
threebears.c: threebears.c:102:45: warning: argument 2 of type 'const uint8_t *' {aka 'const unsigned char *'} declared as a pointer [-Warray-parameter=]
threebears.c:   102 | void get_pubkey(uint8_t *pk, const uint8_t *seed) {
threebears.c:       |                              ~~~~~~~~~~~~~~~^~~~
threebears.c: In file included from threebears.c:8:
threebears.c: threebears.h:25:19: note: previously declared as an array 'const uint8_t[40]' {aka 'const unsigned char[40]'}
threebears.c:    25 |     const uint8_t seed[PQCRYPTO_KEM_THREEBEARS624R2CCA_IMPL_PRIV_PRIVATE_KEY_BYTES]
threebears.c:       |     ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
threebears.c: threebears.c:133:14: warning: argument 1 of type 'uint8_t *' {aka 'unsigned char *'} declared as a pointer [-Warray-parameter=]
threebears.c:   133 |     uint8_t *shared_secret,
threebears.c:       |     ~~~~~~~~~^~~~~~~~~~~~~
threebears.c: In file included from threebears.c:8:
threebears.c: threebears.h:55:13: note: previously declared as an array 'uint8_t[32]' {aka 'unsigned char[32]'}
threebears.c:    55 |     uint8_t shared_secret[PQCRYPTO_KEM_THREEBEARS624R2CCA_IMPL_PRIV_SHARED_SECRET_BYTES],
threebears.c:       |     ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
threebears.c: threebears.c:134:14: warning: argument 2 of type 'uint8_t *' {aka 'unsigned char *'} declared as a pointer [-Warray-parameter=]
threebears.c:   134 |     uint8_t *capsule,
threebears.c:       |     ~~~~~~~~~^~~~~~~
threebears.c: In file included from threebears.c:8:
threebears.c: ...

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

Compiler output


threebears.c: threebears.c:102:26: warning: argument 1 of type 'uint8_t *' {aka 'unsigned char *'} declared as a pointer [-Warray-parameter=]
threebears.c:   102 | void get_pubkey(uint8_t *pk, const uint8_t *seed) {
threebears.c:       |                 ~~~~~~~~~^~
threebears.c: In file included from threebears.c:8:
threebears.c: threebears.h:24:13: note: previously declared as an array 'uint8_t[804]' {aka 'unsigned char[804]'}
threebears.c:    24 |     uint8_t pk[PQCRYPTO_KEM_THREEBEARS624R2CCA_IMPL_PRIV_PUBLIC_KEY_BYTES],
threebears.c:       |     ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
threebears.c: threebears.c:102:45: warning: argument 2 of type 'const uint8_t *' {aka 'const unsigned char *'} declared as a pointer [-Warray-parameter=]
threebears.c:   102 | void get_pubkey(uint8_t *pk, const uint8_t *seed) {
threebears.c:       |                              ~~~~~~~~~~~~~~~^~~~
threebears.c: In file included from threebears.c:8:
threebears.c: threebears.h:25:19: note: previously declared as an array 'const uint8_t[40]' {aka 'const unsigned char[40]'}
threebears.c:    25 |     const uint8_t seed[PQCRYPTO_KEM_THREEBEARS624R2CCA_IMPL_PRIV_PRIVATE_KEY_BYTES]
threebears.c:       |     ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
threebears.c: threebears.c:134:14: warning: argument 1 of type 'uint8_t *' {aka 'unsigned char *'} declared as a pointer [-Warray-parameter=]
threebears.c:   134 |     uint8_t *shared_secret,
threebears.c:       |     ~~~~~~~~~^~~~~~~~~~~~~
threebears.c: In file included from threebears.c:8:
threebears.c: threebears.h:55:13: note: previously declared as an array 'uint8_t[32]' {aka 'unsigned char[32]'}
threebears.c:    55 |     uint8_t shared_secret[PQCRYPTO_KEM_THREEBEARS624R2CCA_IMPL_PRIV_SHARED_SECRET_BYTES],
threebears.c:       |     ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
threebears.c: threebears.c:135:14: warning: argument 2 of type 'uint8_t *' {aka 'unsigned char *'} declared as a pointer [-Warray-parameter=]
threebears.c:   135 |     uint8_t *capsule,
threebears.c:       |     ~~~~~~~~~^~~~~~~
threebears.c: In file included from threebears.c:8:
threebears.c: ...

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

Compiler output


threebears.c: threebears.c:75:26: warning: argument 1 of type 'uint8_t *' {aka 'unsigned char *'} declared as a pointer [-Warray-parameter=]
threebears.c:    75 | void get_pubkey(uint8_t *pk, const uint8_t *seed) {
threebears.c:       |                 ~~~~~~~~~^~
threebears.c: In file included from threebears.c:8:
threebears.c: threebears.h:24:13: note: previously declared as an array 'uint8_t[804]' {aka 'unsigned char[804]'}
threebears.c:    24 |     uint8_t pk[PQCRYPTO_KEM_THREEBEARS624R2CCA_IMPL_PRIV_PUBLIC_KEY_BYTES],
threebears.c:       |     ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
threebears.c: threebears.c:75:45: warning: argument 2 of type 'const uint8_t *' {aka 'const unsigned char *'} declared as a pointer [-Warray-parameter=]
threebears.c:    75 | void get_pubkey(uint8_t *pk, const uint8_t *seed) {
threebears.c:       |                              ~~~~~~~~~~~~~~~^~~~
threebears.c: In file included from threebears.c:8:
threebears.c: threebears.h:25:19: note: previously declared as an array 'const uint8_t[40]' {aka 'const unsigned char[40]'}
threebears.c:    25 |     const uint8_t seed[PQCRYPTO_KEM_THREEBEARS624R2CCA_IMPL_PRIV_PRIVATE_KEY_BYTES]
threebears.c:       |     ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
threebears.c: threebears.c:100:14: warning: argument 1 of type 'uint8_t *' {aka 'unsigned char *'} declared as a pointer [-Warray-parameter=]
threebears.c:   100 |     uint8_t *shared_secret,
threebears.c:       |     ~~~~~~~~~^~~~~~~~~~~~~
threebears.c: In file included from threebears.c:8:
threebears.c: threebears.h:55:13: note: previously declared as an array 'uint8_t[32]' {aka 'unsigned char[32]'}
threebears.c:    55 |     uint8_t shared_secret[PQCRYPTO_KEM_THREEBEARS624R2CCA_IMPL_PRIV_SHARED_SECRET_BYTES],
threebears.c:       |     ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
threebears.c: threebears.c:101:14: warning: argument 2 of type 'uint8_t *' {aka 'unsigned char *'} declared as a pointer [-Warray-parameter=]
threebears.c:   101 |     uint8_t *capsule,
threebears.c:       |     ~~~~~~~~~^~~~~~~
threebears.c: In file included from threebears.c:8:
threebears.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)

Compiler output


threebears.c: threebears.c:102:26: warning: argument 1 of type 'uint8_t *' {aka 'unsigned char *'} declared as a pointer [-Warray-parameter=]
threebears.c:   102 | void get_pubkey(uint8_t *pk, const uint8_t *seed) {
threebears.c:       |                 ~~~~~~~~~^~
threebears.c: In file included from threebears.c:8:
threebears.c: threebears.h:24:13: note: previously declared as an array 'uint8_t[804]' {aka 'unsigned char[804]'}
threebears.c:    24 |     uint8_t pk[PQCRYPTO_KEM_THREEBEARS624R2CCA_IMPL_PRIV_PUBLIC_KEY_BYTES],
threebears.c:       |     ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
threebears.c: threebears.c:102:45: warning: argument 2 of type 'const uint8_t *' {aka 'const unsigned char *'} declared as a pointer [-Warray-parameter=]
threebears.c:   102 | void get_pubkey(uint8_t *pk, const uint8_t *seed) {
threebears.c:       |                              ~~~~~~~~~~~~~~~^~~~
threebears.c: In file included from threebears.c:8:
threebears.c: threebears.h:25:19: note: previously declared as an array 'const uint8_t[40]' {aka 'const unsigned char[40]'}
threebears.c:    25 |     const uint8_t seed[PQCRYPTO_KEM_THREEBEARS624R2CCA_IMPL_PRIV_PRIVATE_KEY_BYTES]
threebears.c:       |     ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
threebears.c: threebears.c:147:14: warning: argument 1 of type 'uint8_t *' {aka 'unsigned char *'} declared as a pointer [-Warray-parameter=]
threebears.c:   147 |     uint8_t *shared_secret,
threebears.c:       |     ~~~~~~~~~^~~~~~~~~~~~~
threebears.c: In file included from threebears.c:8:
threebears.c: threebears.h:55:13: note: previously declared as an array 'uint8_t[32]' {aka 'unsigned char[32]'}
threebears.c:    55 |     uint8_t shared_secret[PQCRYPTO_KEM_THREEBEARS624R2CCA_IMPL_PRIV_SHARED_SECRET_BYTES],
threebears.c:       |     ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
threebears.c: threebears.c:148:14: warning: argument 2 of type 'uint8_t *' {aka 'unsigned char *'} declared as a pointer [-Warray-parameter=]
threebears.c:   148 |     uint8_t *capsule,
threebears.c:       |     ~~~~~~~~~^~~~~~~
threebears.c: In file included from threebears.c:8:
threebears.c: ...

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

Namespace violations


melas_fec.o pqcrypto_kem_threebears624r2cca_impl_priv_melas_fec_correct T
melas_fec.o pqcrypto_kem_threebears624r2cca_impl_priv_melas_fec_set T
ring.o pqcrypto_kem_threebears624r2cca_impl_priv_canon_3120 T
ring.o pqcrypto_kem_threebears624r2cca_impl_priv_contract_3120 T
ring.o pqcrypto_kem_threebears624r2cca_impl_priv_expand_3120 T
ring.o pqcrypto_kem_threebears624r2cca_impl_priv_mac_3120 T
shake.o pqcrypto_kem_threebears624r2cca_impl_priv_hash_output T
shake.o pqcrypto_kem_threebears624r2cca_impl_priv_hash_times_n T
shake.o pqcrypto_kem_threebears624r2cca_impl_priv_hash_update T
shake.o pqcrypto_kem_threebears624r2cca_impl_priv_threebears_cshake_init T
threebears.o pqcrypto_kem_threebears624r2cca_impl_priv_decapsulate T
threebears.o pqcrypto_kem_threebears624r2cca_impl_priv_encapsulate T
threebears.o pqcrypto_kem_threebears624r2cca_impl_priv_get_pubkey T
threebears.o pqcrypto_kem_threebears624r2cca_impl_priv_secure_bzero T

Number of similar (implementation,compiler) pairs: 15, namely:
ImplementationCompiler
lowmemclang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)
lowmemclang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)
lowmemclang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)
lowmemclang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)
lowmemclang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)
optclang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)
optclang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)
optclang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)
optclang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)
optclang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)
vecclang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)
vecclang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)
vecclang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)
vecclang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)
vecclang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)

Namespace violations


melas_fec.o pqcrypto_kem_threebears624r2cca_impl_priv_melas_fec_correct T
melas_fec.o pqcrypto_kem_threebears624r2cca_impl_priv_melas_fec_set T
ring.o pqcrypto_kem_threebears624r2cca_impl_priv_canon_3120 T
ring.o pqcrypto_kem_threebears624r2cca_impl_priv_contract_3120 T
ring.o pqcrypto_kem_threebears624r2cca_impl_priv_expand_3120 T
ring.o pqcrypto_kem_threebears624r2cca_impl_priv_mac_3120 T
shake.o pqcrypto_kem_threebears624r2cca_impl_priv_hash_output T
shake.o pqcrypto_kem_threebears624r2cca_impl_priv_hash_update T
shake.o pqcrypto_kem_threebears624r2cca_impl_priv_threebears_cshake_init T
threebears.o pqcrypto_kem_threebears624r2cca_impl_priv_decapsulate T
threebears.o pqcrypto_kem_threebears624r2cca_impl_priv_encapsulate T
threebears.o pqcrypto_kem_threebears624r2cca_impl_priv_get_pubkey T
threebears.o pqcrypto_kem_threebears624r2cca_impl_priv_secure_bzero T

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

Passed TIMECOP


TIMECOP iterations: 1

Number of similar (implementation,compiler) pairs: 20, namely:
ImplementationCompiler
lowmemclang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)
lowmemclang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)
lowmemclang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)
lowmemclang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)
lowmemclang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)
optclang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)
optclang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)
optclang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)
optclang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)
optclang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)
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)
vecclang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)
vecclang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)
vecclang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)
vecclang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)
vecclang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)