Implementation notes: aarch64, pi4b, crypto_kem/sikep751

Computer: pi4b
Microarchitecture: aarch64; Cortex-A72 (410fd083)
Architecture: aarch64
CPU ID: 410fd083
SUPERCOP version: 20240716
Operation: crypto_kem
Primitive: sikep751

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
281303130	79852 0 0	100241 920 1568	`T:arm64asm`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240708	20240625
283805498	51140 0 0	71955 896 1584	`T:arm64asm`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240708	20240625
284004550	43916 0 0	67739 896 1568	`T:arm64asm`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240708	20240625
286805496	31036 0 0	49587 880 1552	`T:arm64asm`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240708	20240625
286819714	34220 0 0	53875 896 1568	`T:arm64asm`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240708	20240625
1531648268	80544 0 0	101033 936 1568	`T:amd64`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240708	20240625
1532771490	80544 0 0	101033 936 1568	`T:arm64`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240708	20240625
1963761724	96724 0 0	117611 912 1584	`T:arm64`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240708	20240625
1964686444	96724 0 0	117611 912 1584	`T:amd64`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240708	20240625
2323690394	36408 0 0	56123 912 1568	`T:arm64`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240708	20240625
2323889446	36408 0 0	56123 912 1568	`T:amd64`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240708	20240625
2592581210	45356 0 0	65147 912 1568	`T:amd64`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240708	20240625
2592638082	45356 0 0	65147 912 1568	`T:arm64`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240708	20240625
2921471986	26252 0 0	44859 896 1552	`T:arm64`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240708	20240625
2922796415	26252 0 0	44859 896 1552	`T:amd64`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240708	20240625

Test failure

error 142
Alarm clock

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

Implementation	Compiler
`T:ref`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`T:ref`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:ref`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:ref`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:ref`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`

Compiler output

fp_arm64.c: fp_arm64.c:71:5: warning: implicit declaration of function 'mp_shiftr1' is invalid in C99 [-Wimplicit-function-declaration]
fp_arm64.c:     mp_shiftr1(c, NWORDS_FIELD);
fp_arm64.c:     ^
fp_arm64.c: 1 warning generated.

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

Implementation	Compiler
`T:arm64asm`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`

Compiler output

fp_arm64.c: fp_arm64.c: In function 'fpdiv2_751':
fp_arm64.c: fp_arm64.c:71:5: warning: implicit declaration of function 'mp_shiftr1' [-Wimplicit-function-declaration]
fp_arm64.c:    71 |     mp_shiftr1(c, NWORDS_FIELD);
fp_arm64.c:       |     ^~~~~~~~~~

Number of similar (implementation,compiler) pairs: 4, namely:

Implementation	Compiler
`T:arm64asm`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:arm64asm`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:arm64asm`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:arm64asm`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`

Compiler output

api_generic.c: api_generic.c:95:1: warning: unused label 'end' [-Wunused-label]
api_generic.c: end:
api_generic.c: ^~~~
api_generic.c: 1 warning generated.
fips202.c: fips202.c:578:13: warning: unused function 'cshake256_simple_absorb_for_kmac256' [-Wunused-function]
fips202.c: static void cshake256_simple_absorb_for_kmac256(uint64_t s[25], uint16_t cstm, const unsigned char *in, unsigned long long inlen)
fips202.c:             ^
fips202.c: 1 warning generated.

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

Implementation	Compiler
`T:ref`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`

Compiler output

api_generic.c: api_generic.c: In function 'crypto_kem_dec_generic':
api_generic.c: api_generic.c:95:1: warning: label 'end' defined but not used [-Wunused-label]
api_generic.c:    95 | end:
api_generic.c:       | ^~~
fips202.c: fips202.c:428:39: warning: argument 1 of type 'uint64_t[25]' {aka 'long unsigned int[25]'} with mismatched bound [-Warray-parameter=]
fips202.c:   428 | void cshake128_simple_absorb(uint64_t s[25], uint16_t cstm, const unsigned char *in, unsigned long long inlen)
fips202.c:       |                              ~~~~~~~~~^~~~~
fips202.c: In file included from fips202.c:16:
fips202.c: fips202.h:14:40: note: previously declared as 'uint64_t *' {aka 'long unsigned int *'}
fips202.c:    14 | void cshake128_simple_absorb(uint64_t *s, uint16_t cstm, const unsigned char *in, unsigned long long inlen);
fips202.c:       |                              ~~~~~~~~~~^
fips202.c: fips202.c:524:39: warning: argument 1 of type 'uint64_t[25]' {aka 'long unsigned int[25]'} with mismatched bound [-Warray-parameter=]
fips202.c:   524 | void cshake256_simple_absorb(uint64_t s[25], uint16_t cstm, const unsigned char *in, unsigned long long inlen)
fips202.c:       |                              ~~~~~~~~~^~~~~
fips202.c: In file included from fips202.c:16:
fips202.c: fips202.h:22:40: note: previously declared as 'uint64_t *' {aka 'long unsigned int *'}
fips202.c:    22 | void cshake256_simple_absorb(uint64_t *s, uint16_t cstm, const unsigned char *in, unsigned long long inlen);
fips202.c:       |                              ~~~~~~~~~~^
fips202.c: fips202.c:578:13: warning: 'cshake256_simple_absorb_for_kmac256' defined but not used [-Wunused-function]
fips202.c:   578 | static void cshake256_simple_absorb_for_kmac256(uint64_t s[25], uint16_t cstm, const unsigned char *in, unsigned long long inlen)
fips202.c:       |             ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Number of similar (implementation,compiler) pairs: 4, namely:

Implementation	Compiler
`T:ref`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:ref`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:ref`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:ref`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`