Implementation notes: aarch64, pi3aplus, crypto_dh/curve25519

Computer: pi3aplus
Microarchitecture: aarch64; Cortex-A53 (410fd034)
Architecture: aarch64
CPU ID: 410fd034
SUPERCOP version: 20240425
Operation: crypto_dh
Primitive: curve25519

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
1908382	176 0 0	36032 840 1568	`T:ref`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240428	20240425
1913560	88 0 0	37733 776 1568	`T:ref`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240428	20240425
1913784	176 0 0	35088 824 1552	`T:ref`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240428	20240425
1915735	184 0 0	36296 840 1568	`T:ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240428	20240425
1931766	184 0 0	37512 840 1584	`T:ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240428	20240425

Test failure

Implementation: T:mpfq
Security model: timingleaks
Compiler: clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

error 111
crypto_dh not associative

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

Compiler	Implementations
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:mpfq
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:mpfq
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:mpfq
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:mpfq
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:mpfq

Compiler output

Implementation: T:mpfq
Security model: timingleaks
Compiler: clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

mpfq_p_25519.c: In file included from mpfq_p_25519.c:5:
mpfq_p_25519.c: ./x86_64/mpfq_p_25519.c:111:1: warning: control reaches end of non-void function [-Wreturn-type]
mpfq_p_25519.c: }
mpfq_p_25519.c: ^
mpfq_p_25519.c: 1 warning generated.

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

Compiler	Implementations
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:mpfq