Implementation notes: armeabi, bblack, crypto_scalarmult/curve25519

Computer: bblack
Microarchitecture: armeabi; Cortex-A8 (413fc082)
Architecture: armeabi
CPU ID: unknown CPU ID
SUPERCOP version: 20230530
Operation: crypto_scalarmult
Primitive: curve25519
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
18535858396 0 027431 420 1496neon2clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2023070420230530
18912088396 0 026455 420 1504neon2clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2023070420230530
19460818396 0 025813 416 1496neon2clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2023070420230530
19478728384 0 022262 452 1496neon2gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023070420230530
19617888384 0 021290 444 1496neon2gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023070420230530
19638728396 0 027431 420 1496neon2clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2023070420230530
19771218396 0 035255 420 1512neon2clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2023070420230530
19889128388 0 021978 452 1496neon2gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023070420230530
20229948384 0 023302 452 1496neon2gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023070420230530
72648468676 0 035423 420 1512ref10clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2023070420230530
74605047740 0 026655 420 1496ref10clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2023070420230530
74612127740 0 026655 420 1496ref10clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2023070420230530
74645467344 0 024621 416 1496ref10clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2023070420230530
74682958860 0 026799 420 1504ref10clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2023070420230530
91828425218 0 018086 444 1496ref10gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023070420230530
94985836664 0 021534 452 1496ref10gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023070420230530
95214116624 0 020474 452 1496ref10gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023070420230530
196328819438 0 023018 452 1496ref10gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023070420230530
8203647924408 0 051223 420 1512refclang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2023070420230530
955126613116 0 017990 452 1496refgcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023070420230530
962467982148 0 015994 452 1496refgcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023070420230530
1001506521768 0 014630 444 1496refgcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023070420230530
1015214493196 0 020549 416 1496refclang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2023070420230530
10273912518204 0 036215 420 1504refclang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2023070420230530
1061704372000 0 015578 452 1496refgcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023070420230530
10808366720328 0 039335 420 1496refclang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2023070420230530
10809041420328 0 039335 420 1496refclang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2023070420230530

Compiler output

Implementation: donna_c64
Security model: constbranchindex
Compiler: clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE
try.c: /usr/bin/ld: libcrypto_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: libcrypto_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: 5, namely:
CompilerImplementations
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE donna_c64
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE donna_c64
clang -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE donna_c64
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE donna_c64
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 -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE
try.c: env: 'cargo': No such file or directory

Number of similar (compiler,implementation) pairs: 9, namely:
CompilerImplementations
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE rust_crypto
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE rust_crypto
clang -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE rust_crypto
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE rust_crypto
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