Implementation notes: armeabi, berry2, crypto_scalarmult/curve25519

Computer: berry2
Architecture: armeabi
CPU ID: unknown CPU ID
SUPERCOP version: 20210529
Operation: crypto_scalarmult
Primitive: curve25519
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
37181308396 0 024136 392 1536neon2gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2021012020210114
37217298396 0 034766 396 1552neon2clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2021012020210114
37477698388 0 026104 392 1536neon2gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2021012020210114
37533598388 0 023288 384 1536neon2gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2021012020210114
37858228388 0 024264 392 1536neon2gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2021012020210114
55090387540 0 025228 392 1536ref10gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2021012020210114
55090567536 0 023404 392 1536ref10gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2021012020210114
58055988752 0 035002 396 1552ref10clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2021012020210114
59269347096 0 021964 384 1536ref10gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2021012020210114
1632897812696 0 028420 392 1536ref10gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2021012020210114
835786884016 0 021704 392 1536refgcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2021012020210114
838657363016 0 018884 392 1536refgcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2021012020210114
860399452644 0 017512 384 1536refgcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2021012020210114
8644061624552 0 050874 396 1552refclang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2021012020210114
919877133096 0 018820 392 1536refgcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2021012020210114

Compiler output

Implementation: donna_c64
Security model: constbranchindex
Compiler: clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE
try.c: /usr/bin/ld: crypto_scalarmult_curve25519.a(smult.o): in function `crypto_scalarmult_curve25519_donna_c64_constbranchindex':
try.c: smult.c:(.text+0x...): undefined reference to `__multi3'
try.c: /usr/bin/ld: smult.c:(.text+0x...): undefined reference to `__multi3'
try.c: /usr/bin/ld: smult.c:(.text+0x...): undefined reference to `__multi3'
try.c: /usr/bin/ld: smult.c:(.text+0x...): undefined reference to `__multi3'
try.c: /usr/bin/ld: smult.c:(.text+0x...): undefined reference to `__multi3'
try.c: /usr/bin/ld: crypto_scalarmult_curve25519.a(smult.o):smult.c:(.text+0x...): more undefined references to `__multi3' follow
try.c: clang: error: linker command failed with exit code 1 (use -v to see invocation)

Number of similar (compiler,implementation) pairs: 1, namely:
CompilerImplementations
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE donna_c64

Compiler output

Implementation: donna_c64
Security model: constbranchindex
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE
smult.c: smult.c:34:1: error: unable to emulate 'TI'
smult.c: typedef unsigned uint128_t __attribute__((mode(TI)));
smult.c: ^~~~~~~
smult.c: smult.c: In function 'fscalar_product':
smult.c: smult.c:76:49: warning: right shift count >= width of type [-Wshift-count-overflow]
smult.c: a = ((uint128_t) in[1]) * scalar + ((limb) (a >> 51));
smult.c: ^~
smult.c: smult.c:79:49: warning: right shift count >= width of type [-Wshift-count-overflow]
smult.c: a = ((uint128_t) in[2]) * scalar + ((limb) (a >> 51));
smult.c: ^~
smult.c: smult.c:82:49: warning: right shift count >= width of type [-Wshift-count-overflow]
smult.c: a = ((uint128_t) in[3]) * scalar + ((limb) (a >> 51));
smult.c: ^~
smult.c: smult.c:85:49: warning: right shift count >= width of type [-Wshift-count-overflow]
smult.c: a = ((uint128_t) in[4]) * scalar + ((limb) (a >> 51));
smult.c: ^~
smult.c: smult.c:88:19: warning: right shift count >= width of type [-Wshift-count-overflow]
smult.c: output[0] += (a >> 51) * 19;
smult.c: ^~
smult.c: smult.c: In function 'fmul':
smult.c: smult.c:132:70: warning: right shift count >= width of type [-Wshift-count-overflow]
smult.c: r0 = (limb)t[0] & 0x7ffffffffffff; c = (limb)(t[0] >> 51);
smult.c: ^~
smult.c: smult.c:133:70: warning: right shift count >= width of type [-Wshift-count-overflow]
smult.c: t[1] += c; r1 = (limb)t[1] & 0x7ffffffffffff; c = (limb)(t[1] >> 51);
smult.c: ...

Number of similar (compiler,implementation) pairs: 4, namely:
CompilerImplementations
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE donna_c64
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE donna_c64
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE donna_c64
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE donna_c64

Compiler output

Implementation: rust_crypto
Security model: constbranchindex
Compiler: clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE
try.c: Alarm clock

Number of similar (compiler,implementation) pairs: 5, namely:
CompilerImplementations
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE rust_crypto
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE rust_crypto
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE rust_crypto
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE rust_crypto
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE rust_crypto