Implementation notes: aarch64, pi3aplus, crypto_dh/curve25519

Computer: pi3aplus
Microarchitecture: aarch64; Cortex-A53 (410fd034)
Architecture: aarch64
CPU ID: 410fd034
SUPERCOP version: 20240716
Operation: crypto_dh
Primitive: curve25519

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
1908217	184 0 0	35496 824 1552	`T:ref`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240722	20240716
1908221	184 0 0	36432 840 1568	`T:ref`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240722	20240716
1918580	188 0 0	37976 840 1584	`T:ref`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240722	20240716
1919308	100 0 0	38085 776 1568	`T:ref`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240722	20240716
1932997	188 0 0	36696 840 1568	`T:ref`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240722	20240716

Compiler output

curve25519.c: In file included from curve25519.c:20:
curve25519.c: In file included from ./mpfq_p_25519.h:5:
curve25519.c: In file included from ./x86_64/mpfq_p_25519.h:10:
curve25519.c: In file included from ./fixmp.h:281:
curve25519.c: ./fixmp_longlong.h:2527:7: warning: unused variable 'i' [-Wunused-variable]
curve25519.c:   int i;
curve25519.c:       ^
curve25519.c: ./fixmp_longlong.h:2539:7: warning: unused variable 'i' [-Wunused-variable]
curve25519.c:   int i;
curve25519.c:       ^
curve25519.c: ./fixmp_longlong.h:2551:7: warning: unused variable 'i' [-Wunused-variable]
curve25519.c:   int i;
curve25519.c:       ^
curve25519.c: ./fixmp_longlong.h:2563:7: warning: unused variable 'i' [-Wunused-variable]
curve25519.c:   int i;
curve25519.c:       ^
curve25519.c: ./fixmp_longlong.h:2575:7: warning: unused variable 'i' [-Wunused-variable]
curve25519.c:   int i;
curve25519.c:       ^
curve25519.c: ./fixmp_longlong.h:2587:7: warning: unused variable 'i' [-Wunused-variable]
curve25519.c:   int i;
curve25519.c:       ^
curve25519.c: ./fixmp_longlong.h:2599:7: warning: unused variable 'i' [-Wunused-variable]
curve25519.c:   int i;
curve25519.c:       ^
curve25519.c: ...

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

Implementation	Compiler
`T:mpfq`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (4.2.1_Compatible_Clang_7.0.1_(tags/RELEASE_701/final))`

Compiler output

curve25519.c: In file included from ./fixmp.h:281,
curve25519.c:                  from x86_64/mpfq_p_25519.h:10,
curve25519.c:                  from mpfq_p_25519.h:5,
curve25519.c:                  from curve25519.c:20:
curve25519.c: ./fixmp_longlong.h: In function 'mgy_decode_1':
curve25519.c: ./fixmp_longlong.h:2527:7: warning: unused variable 'i' [-Wunused-variable]
curve25519.c:    int i;
curve25519.c:        ^
curve25519.c: ./fixmp_longlong.h: In function 'mgy_decode_2':
curve25519.c: ./fixmp_longlong.h:2539:7: warning: unused variable 'i' [-Wunused-variable]
curve25519.c:    int i;
curve25519.c:        ^
curve25519.c: ./fixmp_longlong.h: In function 'mgy_decode_3':
curve25519.c: ./fixmp_longlong.h:2551:7: warning: unused variable 'i' [-Wunused-variable]
curve25519.c:    int i;
curve25519.c:        ^
curve25519.c: ./fixmp_longlong.h: In function 'mgy_decode_4':
curve25519.c: ./fixmp_longlong.h:2563:7: warning: unused variable 'i' [-Wunused-variable]
curve25519.c:    int i;
curve25519.c:        ^
curve25519.c: ./fixmp_longlong.h: In function 'mgy_decode_5':
curve25519.c: ./fixmp_longlong.h:2575:7: warning: unused variable 'i' [-Wunused-variable]
curve25519.c:    int i;
curve25519.c:        ^
curve25519.c: ./fixmp_longlong.h: In function 'mgy_decode_6':
curve25519.c: ...

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

Implementation	Compiler
`T:mpfq`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (8.3.0)`
`T:mpfq`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (8.3.0)`
`T:mpfq`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (8.3.0)`
`T:mpfq`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (8.3.0)`