Implementation notes: amd64, pmnod003, crypto_scalarmult/curve25519

Computer: pmnod003
Architecture: amd64
CPU ID: GenuineIntel-00050654-bfebfbff
SUPERCOP version: 20190910
Operation: crypto_scalarmult
Primitive: curve25519
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
52144020330 0 055471 888 1576sandy2xicc_-xAVX_-O3_-fomit-frame-pointer2019091220190910
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2162555431120 0 065155 888 1576reficc_-xSSE4.1_-O2_-fomit-frame-pointer2019091220190910
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2276500232880 0 068007 888 1576reficc_-xAVX_-O3_-fomit-frame-pointer2019091220190910
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235953063122 0 032881 848 1608refgcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2019091220190910

Test failure

Implementation: donna
Security model: unknown
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE
error 111
Number of similar (compiler,implementation) pairs: 5, namely:
CompilerImplementations
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE donna
icc -xSSE4.1 -O2 -fomit-frame-pointer donna
icc -xSSE4.1 -O3 -fomit-frame-pointer donna
icc -xSSE4.2 -O2 -fomit-frame-pointer donna
icc -xSSE4.2 -O3 -fomit-frame-pointer donna

Compiler output

Implementation: donna_c64
Security model: unknown
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE
smult.c: smult.c:149:1: warning: always_inline function might not be inlinable [-Wattributes]
smult.c: 149 | fsquare_times(felem output, const felem in, limb count) {
smult.c: | ^~~~~~~~~~~~~
smult.c: smult.c:100:1: warning: always_inline function might not be inlinable [-Wattributes]
smult.c: 100 | fmul(felem output, const felem in2, const felem in) {
smult.c: | ^~~~
smult.c: smult.c:70:1: warning: always_inline function might not be inlinable [-Wattributes]
smult.c: 70 | fscalar_product(felem output, const felem in, const limb scalar) {
smult.c: | ^~~~~~~~~~~~~~~
smult.c: smult.c:56:1: warning: always_inline function might not be inlinable [-Wattributes]
smult.c: 56 | fdifference_backwards(felem out, const felem in) {
smult.c: | ^~~~~~~~~~~~~~~~~~~~~
smult.c: smult.c:41:1: warning: always_inline function might not be inlinable [-Wattributes]
smult.c: 41 | fsum(limb *output, const limb *in) {
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: donna_c64
Security model: unknown
Compiler: icc -xAVX -O2 -fomit-frame-pointer
smult.c: smult.c(40): warning #3415: the "always_inline" attribute is ignored on non-inline functions
smult.c: static void force_inline
smult.c: ^
smult.c:
smult.c: smult.c(55): warning #3415: the "always_inline" attribute is ignored on non-inline functions
smult.c: static void force_inline
smult.c: ^
smult.c:
smult.c: smult.c(69): warning #3415: the "always_inline" attribute is ignored on non-inline functions
smult.c: static void force_inline
smult.c: ^
smult.c:
smult.c: smult.c(99): warning #3415: the "always_inline" attribute is ignored on non-inline functions
smult.c: static void force_inline
smult.c: ^
smult.c:
smult.c: smult.c(148): warning #3415: the "always_inline" attribute is ignored on non-inline functions
smult.c: static void force_inline
smult.c: ^
smult.c:
Number of similar (compiler,implementation) pairs: 14, namely:
CompilerImplementations
icc -xAVX -O2 -fomit-frame-pointer donna_c64
icc -xAVX -O3 -fomit-frame-pointer donna_c64
icc -xCOMMON-AVX512 -O2 -fomit-frame-pointer donna_c64
icc -xCOMMON-AVX512 -O3 -fomit-frame-pointer donna_c64
icc -xCORE-AVX-I -O2 -fomit-frame-pointer donna_c64
icc -xCORE-AVX-I -O3 -fomit-frame-pointer donna_c64
icc -xCORE-AVX2 -O2 -fomit-frame-pointer donna_c64
icc -xCORE-AVX2 -O3 -fomit-frame-pointer donna_c64
icc -xCORE-AVX512 -O2 -fomit-frame-pointer donna_c64
icc -xCORE-AVX512 -O3 -fomit-frame-pointer donna_c64
icc -xSSE4.1 -O2 -fomit-frame-pointer donna_c64
icc -xSSE4.1 -O3 -fomit-frame-pointer donna_c64
icc -xSSE4.2 -O2 -fomit-frame-pointer donna_c64
icc -xSSE4.2 -O3 -fomit-frame-pointer donna_c64