Implementation notes: armeabi, h2tegra, crypto_scalarmult/curve25519

Computer: h2tegra
Architecture: armeabi
CPU ID: unknown CPU ID
SUPERCOP version: 20160806
Operation: crypto_scalarmult
Primitive: curve25519

Time	Implementation	Compiler	Benchmark date	SUPERCOP version
5928403	`ref10`	`gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv`	20160804	20160731
7427140	`ref10`	`gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv`	20160804	20160731
7427170	`ref10`	`gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv`	20160804	20160731
13915702	`ref10`	`gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv`	20160804	20160731
65367082	`ref`	`gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv`	20160804	20160731
67614697	`ref`	`gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv`	20160804	20160731
79904228	`ref`	`gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv`	20160804	20160731
103529182	`ref`	`gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv`	20160804	20160731

Test failure

Implementation: crypto_scalarmult/curve25519/neon2
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv

error 111

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

Compiler	Implementations
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv	neon2
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv	neon2
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv	neon2
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv	neon2

Compiler output

Implementation: crypto_scalarmult/curve25519/donna_c64
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv

smult.c: smult.c:34:1: error: unable to emulate 'TI'
smult.c: smult.c: In function 'fscalar_product':
smult.c: smult.c:76:3: warning: right shift count >gt;= width of type [enabled by default]
smult.c: smult.c:79:3: warning: right shift count >gt;= width of type [enabled by default]
smult.c: smult.c:82:3: warning: right shift count >gt;= width of type [enabled by default]
smult.c: smult.c:85:3: warning: right shift count >gt;= width of type [enabled by default]
smult.c: smult.c:88:3: warning: right shift count >gt;= width of type [enabled by default]
smult.c: smult.c: In function 'fmul':
smult.c: smult.c:132:19: warning: right shift count >gt;= width of type [enabled by default]
smult.c: smult.c:133:3: warning: right shift count >gt;= width of type [enabled by default]
smult.c: smult.c:134:3: warning: right shift count >gt;= width of type [enabled by default]
smult.c: smult.c:135:3: warning: right shift count >gt;= width of type [enabled by default]
smult.c: smult.c:136:3: warning: right shift count >gt;= width of type [enabled by default]
smult.c: smult.c: In function 'fsquare_times':
smult.c: smult.c:173:21: warning: right shift count >gt;= width of type [enabled by default]
smult.c: smult.c:174:5: warning: right shift count >gt;= width of type [enabled by default]
smult.c: smult.c:175:5: warning: right shift count >gt;= width of type [enabled by default]
smult.c: smult.c:176:5: warning: right shift count >gt;= width of type [enabled by default]
smult.c: smult.c:177:5: warning: right shift count >gt;= width of type [enabled by default]
smult.c: smult.c: In function 'fcontract':
smult.c: smult.c:213:3: warning: right shift count >gt;= width of type [enabled by default]
smult.c: smult.c:214:3: warning: right shift count >gt;= width of type [enabled by default]
smult.c: smult.c:215:3: warning: right shift count >gt;= width of type [enabled by default]
smult.c: smult.c:216:3: warning: right shift count >gt;= width of type [enabled by default]
smult.c: smult.c:217:3: warning: right shift count >gt;= width of type [enabled by default]
smult.c: ...

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

Compiler	Implementations
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv	donna_c64
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv	donna_c64
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv	donna_c64
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv	donna_c64