Implementation notes: amd64, genji262, crypto_dh/gls254

Computer: genji262
Architecture: amd64
CPU ID: AuthenticAMD-00800f12-178bfbff
SUPERCOP version: 20191017
Operation: crypto_dh
Primitive: gls254
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
18079628040 220672 057996 221544 1576opticc_-march=sandybridge_-mtune=sandybridge_-O2_-fomit-frame-pointer2019102420191017
18092828040 220672 057996 221544 1576opticc_-march=ivybridge_-mtune=ivybridge_-O2_-fomit-frame-pointer2019102420191017
18103828040 220672 057996 221544 1576opticc_-march=core-avx-i_-mtune=core-avx-i_-O2_-fomit-frame-pointer2019102420191017
18103828040 220672 057996 221544 1576opticc_-march=corei7-avx_-mtune=corei7-avx_-O2_-fomit-frame-pointer2019102420191017
18141228040 220672 058268 221544 1576opticc_-march=haswell_-mtune=haswell_-O2_-fomit-frame-pointer2019102420191017
18145628040 220672 058268 221544 1576opticc_-march=skylake_-mtune=skylake_-O2_-fomit-frame-pointer2019102420191017
18150027168 220672 056996 221544 1576opticc_-march=haswell_-mtune=haswell_-O3_-fomit-frame-pointer2019102420191017
18150030520 100896 060647 101776 1576reficc_-march=corei7-avx_-mtune=corei7-avx_-O3_-fomit-frame-pointer2019102420191017
18152227168 220672 056996 221544 1576opticc_-march=broadwell_-mtune=broadwell_-O3_-fomit-frame-pointer2019102420191017
18161030520 100896 060647 101776 1576reficc_-march=ivybridge_-mtune=ivybridge_-O3_-fomit-frame-pointer2019102420191017
18165427168 220672 057156 221544 1576opticc_-march=ivybridge_-mtune=ivybridge_-O3_-fomit-frame-pointer2019102420191017
18165427416 100896 057511 101776 1576reficc_-march=corei7-avx_-mtune=corei7-avx_-O2_-fomit-frame-pointer2019102420191017
18178627168 220672 057156 221544 1576opticc_-march=core-avx-i_-mtune=core-avx-i_-O3_-fomit-frame-pointer2019102420191017
18180827416 100896 057511 101776 1576reficc_-march=core-avx-i_-mtune=core-avx-i_-O2_-fomit-frame-pointer2019102420191017
18183027168 220672 057156 221544 1576opticc_-march=sandybridge_-mtune=sandybridge_-O3_-fomit-frame-pointer2019102420191017
18185227168 220672 056996 221544 1576opticc_-march=skylake_-mtune=skylake_-O3_-fomit-frame-pointer2019102420191017
18185227416 100896 057511 101776 1576reficc_-march=sandybridge_-mtune=sandybridge_-O2_-fomit-frame-pointer2019102420191017
18213827168 220672 057156 221544 1576opticc_-march=corei7-avx_-mtune=corei7-avx_-O3_-fomit-frame-pointer2019102420191017
18213827416 100896 057511 101776 1576reficc_-march=ivybridge_-mtune=ivybridge_-O2_-fomit-frame-pointer2019102420191017
18218227168 220672 056996 221544 1576opticc_-march=core-avx2_-mtune=core-avx2_-O3_-fomit-frame-pointer2019102420191017
18227028040 220672 058268 221544 1576opticc_-march=core-avx2_-mtune=core-avx2_-O2_-fomit-frame-pointer2019102420191017
18244628040 220672 058268 221544 1576opticc_-march=broadwell_-mtune=broadwell_-O2_-fomit-frame-pointer2019102420191017
18266630520 100896 060647 101776 1576reficc_-march=sandybridge_-mtune=sandybridge_-O3_-fomit-frame-pointer2019102420191017
18286426752 100896 057119 101776 1576reficc_-march=broadwell_-mtune=broadwell_-O2_-fomit-frame-pointer2019102420191017
18370026752 100896 057119 101776 1576reficc_-march=skylake_-mtune=skylake_-O2_-fomit-frame-pointer2019102420191017
18392026752 100896 057119 101776 1576reficc_-march=core-avx2_-mtune=core-avx2_-O2_-fomit-frame-pointer2019102420191017
18444829888 100896 059855 101776 1576reficc_-march=core-avx2_-mtune=core-avx2_-O3_-fomit-frame-pointer2019102420191017
18499829888 100896 059855 101776 1576reficc_-march=broadwell_-mtune=broadwell_-O3_-fomit-frame-pointer2019102420191017
18519630192 100896 058943 101776 1576reficc_-march=corei7_-mtune=corei7_-O2_-fomit-frame-pointer2019102420191017
18530630520 100896 060647 101776 1576reficc_-march=core-avx-i_-mtune=core-avx-i_-O3_-fomit-frame-pointer2019102420191017
18537226752 100896 057119 101776 1576reficc_-march=haswell_-mtune=haswell_-O2_-fomit-frame-pointer2019102420191017
18618629888 100896 059855 101776 1576reficc_-march=haswell_-mtune=haswell_-O3_-fomit-frame-pointer2019102420191017
18634029888 100896 059855 101776 1576reficc_-march=skylake_-mtune=skylake_-O3_-fomit-frame-pointer2019102420191017
18755033296 100896 062103 101776 1576reficc_-march=corei7_-mtune=corei7_-O3_-fomit-frame-pointer2019102420191017
18766031672 220672 060284 221544 1576opticc_-march=corei7_-mtune=corei7_-O2_-fomit-frame-pointer2019102420191017
18843030464 220672 059132 221544 1576opticc_-march=corei7_-mtune=corei7_-O3_-fomit-frame-pointer2019102420191017
19498621781 196608 048171 197432 1608optgcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2019102420191017
20187220405 196608 045347 197432 1608optgcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2019102420191017
20688826053 98336 052926 99168 1608refgcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2019102420191017
20999014225 98336 039638 99168 1608refgcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2019102420191017
21326812846 98336 037558 99168 1608refgcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2019102420191017
21810812037 98336 035798 99160 1608refgcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2019102420191017
21969217127 196608 040763 197424 1608optgcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2019102420191017
22567619577 196608 044171 197432 1608optgcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2019102420191017
23091235688 100352 065604 101224 1576proticc_-march=haswell_-mtune=haswell_-O3_-fomit-frame-pointer2019102420191017
23214435760 100352 065836 101224 1576proticc_-march=sandybridge_-mtune=sandybridge_-O3_-fomit-frame-pointer2019102420191017
23240835688 100352 065604 101224 1576proticc_-march=core-avx2_-mtune=core-avx2_-O3_-fomit-frame-pointer2019102420191017
23245235760 100352 065836 101224 1576proticc_-march=core-avx-i_-mtune=core-avx-i_-O3_-fomit-frame-pointer2019102420191017
23249635760 100352 065836 101224 1576proticc_-march=corei7-avx_-mtune=corei7-avx_-O3_-fomit-frame-pointer2019102420191017
23262834512 100352 064828 101224 1576proticc_-march=broadwell_-mtune=broadwell_-O2_-fomit-frame-pointer2019102420191017
23276035760 100352 065836 101224 1576proticc_-march=ivybridge_-mtune=ivybridge_-O3_-fomit-frame-pointer2019102420191017
23295835688 100352 065604 101224 1576proticc_-march=broadwell_-mtune=broadwell_-O3_-fomit-frame-pointer2019102420191017
23306834400 100352 064444 101224 1576proticc_-march=sandybridge_-mtune=sandybridge_-O2_-fomit-frame-pointer2019102420191017
23322234512 100352 064828 101224 1576proticc_-march=core-avx2_-mtune=core-avx2_-O2_-fomit-frame-pointer2019102420191017
23333234400 100352 064444 101224 1576proticc_-march=ivybridge_-mtune=ivybridge_-O2_-fomit-frame-pointer2019102420191017
23344234512 100352 064828 101224 1576proticc_-march=haswell_-mtune=haswell_-O2_-fomit-frame-pointer2019102420191017
23377234512 100352 064828 101224 1576proticc_-march=skylake_-mtune=skylake_-O2_-fomit-frame-pointer2019102420191017
23386034400 100352 064444 101224 1576proticc_-march=core-avx-i_-mtune=core-avx-i_-O2_-fomit-frame-pointer2019102420191017
23401434400 100352 064444 101224 1576proticc_-march=corei7-avx_-mtune=corei7-avx_-O2_-fomit-frame-pointer2019102420191017
24114235688 100352 065604 101224 1576proticc_-march=skylake_-mtune=skylake_-O3_-fomit-frame-pointer2019102420191017
25713633229 98304 060075 99128 1608protgcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2019102420191017
27660615611 98304 040995 99128 1608protgcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2019102420191017
27748614065 98304 038755 99128 1608protgcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2019102420191017

Test failure

Implementation: opt
Security model: unknown
Compiler: icc -march=cannonlake -mtune=cannonlake -O2 -fomit-frame-pointer
error 111
Number of similar (compiler,implementation) pairs: 21, namely:
CompilerImplementations
icc -march=cannonlake -mtune=cannonlake -O2 -fomit-frame-pointer opt
icc -march=cannonlake -mtune=cannonlake -O3 -fomit-frame-pointer opt
icc -march=icelake-client -mtune=icelake-client -O2 -fomit-frame-pointer opt
icc -march=icelake-client -mtune=icelake-client -O3 -fomit-frame-pointer opt
icc -march=skylake-avx512 -mtune=skylake-avx512 -O2 -fomit-frame-pointer opt
icc -march=skylake-avx512 -mtune=skylake-avx512 -O3 -fomit-frame-pointer opt
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE prot
icc -march=cannonlake -mtune=cannonlake -O2 -fomit-frame-pointer prot
icc -march=cannonlake -mtune=cannonlake -O3 -fomit-frame-pointer prot
icc -march=corei7 -mtune=corei7 -O2 -fomit-frame-pointer prot
icc -march=corei7 -mtune=corei7 -O3 -fomit-frame-pointer prot
icc -march=icelake-client -mtune=icelake-client -O2 -fomit-frame-pointer prot
icc -march=icelake-client -mtune=icelake-client -O3 -fomit-frame-pointer prot
icc -march=skylake-avx512 -mtune=skylake-avx512 -O2 -fomit-frame-pointer prot
icc -march=skylake-avx512 -mtune=skylake-avx512 -O3 -fomit-frame-pointer prot
icc -march=cannonlake -mtune=cannonlake -O2 -fomit-frame-pointer ref
icc -march=cannonlake -mtune=cannonlake -O3 -fomit-frame-pointer ref
icc -march=icelake-client -mtune=icelake-client -O2 -fomit-frame-pointer ref
icc -march=icelake-client -mtune=icelake-client -O3 -fomit-frame-pointer ref
icc -march=skylake-avx512 -mtune=skylake-avx512 -O2 -fomit-frame-pointer ref
icc -march=skylake-avx512 -mtune=skylake-avx512 -O3 -fomit-frame-pointer ref

Compiler output

Implementation: opt
Security model: unknown
Compiler: clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE
dh.c: In file included from dh.c:2:
dh.c: In file included from ./lib.h:2:
dh.c: In file included from /software/compilers/gcc/gcc-9.2.0-full+isl+binutils/lib/gcc/x86_64-pc-linux-gnu/9.2.0/include/x86intrin.h:27:
dh.c: /software/compilers/gcc/gcc-9.2.0-full+isl+binutils/lib/gcc/x86_64-pc-linux-gnu/9.2.0/include/ia32intrin.h:30:51: warning: unknown attribute '__artificial__' ignored [-Wunknown-attributes]
dh.c: __attribute__((__gnu_inline__, __always_inline__, __artificial__))
dh.c: ^
dh.c: /software/compilers/gcc/gcc-9.2.0-full+isl+binutils/lib/gcc/x86_64-pc-linux-gnu/9.2.0/include/ia32intrin.h:38:51: warning: unknown attribute '__artificial__' ignored [-Wunknown-attributes]
dh.c: __attribute__((__gnu_inline__, __always_inline__, __artificial__))
dh.c: ^
dh.c: /software/compilers/gcc/gcc-9.2.0-full+isl+binutils/lib/gcc/x86_64-pc-linux-gnu/9.2.0/include/ia32intrin.h:41:10: error: use of unknown builtin '__builtin_ia32_bsrsi' [-Wimplicit-function-declaration]
dh.c: return __builtin_ia32_bsrsi (__X);
dh.c: ^
dh.c: /software/compilers/gcc/gcc-9.2.0-full+isl+binutils/lib/gcc/x86_64-pc-linux-gnu/9.2.0/include/ia32intrin.h:46:51: warning: unknown attribute '__artificial__' ignored [-Wunknown-attributes]
dh.c: __attribute__((__gnu_inline__, __always_inline__, __artificial__))
dh.c: ^
dh.c: /software/compilers/gcc/gcc-9.2.0-full+isl+binutils/lib/gcc/x86_64-pc-linux-gnu/9.2.0/include/ia32intrin.h:62:51: warning: unknown attribute '__artificial__' ignored [-Wunknown-attributes]
dh.c: __attribute__((__gnu_inline__, __always_inline__, __artificial__))
dh.c: ^
dh.c: /software/compilers/gcc/gcc-9.2.0-full+isl+binutils/lib/gcc/x86_64-pc-linux-gnu/9.2.0/include/ia32intrin.h:69:51: warning: unknown attribute '__artificial__' ignored [-Wunknown-attributes]
dh.c: __attribute__((__gnu_inline__, __always_inline__, __artificial__))
dh.c: ^
dh.c: /software/compilers/gcc/gcc-9.2.0-full+isl+binutils/lib/gcc/x86_64-pc-linux-gnu/9.2.0/include/ia32intrin.h:76:51: warning: unknown attribute '__artificial__' ignored [-Wunknown-attributes]
dh.c: __attribute__((__gnu_inline__, __always_inline__, __artificial__))
dh.c: ^
dh.c: /software/compilers/gcc/gcc-9.2.0-full+isl+binutils/lib/gcc/x86_64-pc-linux-gnu/9.2.0/include/ia32intrin.h:91:51: warning: unknown attribute '__artificial__' ignored [-Wunknown-attributes]
dh.c: ...
Number of similar (compiler,implementation) pairs: 5, namely:
CompilerImplementations
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE opt
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE opt
clang -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE opt
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE opt
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE opt

Compiler output

Implementation: prot
Security model: unknown
Compiler: clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE
dh.c: In file included from dh.c:3:
dh.c: In file included from ./gls254.h:18:
dh.c: In file included from /software/compilers/gcc/gcc-9.2.0-full+isl+binutils/lib/gcc/x86_64-pc-linux-gnu/9.2.0/include/wmmintrin.h:31:
dh.c: In file included from /software/compilers/gcc/gcc-9.2.0-full+isl+binutils/lib/gcc/x86_64-pc-linux-gnu/9.2.0/include/emmintrin.h:31:
dh.c: In file included from /software/compilers/gcc/gcc-9.2.0-full+isl+binutils/lib/gcc/x86_64-pc-linux-gnu/9.2.0/include/xmmintrin.h:31:
dh.c: /software/compilers/gcc/gcc-9.2.0-full+isl+binutils/lib/gcc/x86_64-pc-linux-gnu/9.2.0/include/mmintrin.h:55:72: warning: unknown attribute '__artificial__' ignored [-Wunknown-attributes]
dh.c: extern __inline void __attribute__((__gnu_inline__, __always_inline__, __artificial__))
dh.c: ^
dh.c: /software/compilers/gcc/gcc-9.2.0-full+isl+binutils/lib/gcc/x86_64-pc-linux-gnu/9.2.0/include/mmintrin.h:61:72: warning: unknown attribute '__artificial__' ignored [-Wunknown-attributes]
dh.c: extern __inline void __attribute__((__gnu_inline__, __always_inline__, __artificial__))
dh.c: ^
dh.c: /software/compilers/gcc/gcc-9.2.0-full+isl+binutils/lib/gcc/x86_64-pc-linux-gnu/9.2.0/include/mmintrin.h:68:74: warning: unknown attribute '__artificial__' ignored [-Wunknown-attributes]
dh.c: extern __inline __m64 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
dh.c: ^
dh.c: /software/compilers/gcc/gcc-9.2.0-full+isl+binutils/lib/gcc/x86_64-pc-linux-gnu/9.2.0/include/mmintrin.h:74:74: warning: unknown attribute '__artificial__' ignored [-Wunknown-attributes]
dh.c: extern __inline __m64 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
dh.c: ^
dh.c: /software/compilers/gcc/gcc-9.2.0-full+isl+binutils/lib/gcc/x86_64-pc-linux-gnu/9.2.0/include/mmintrin.h:84:74: warning: unknown attribute '__artificial__' ignored [-Wunknown-attributes]
dh.c: extern __inline __m64 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
dh.c: ^
dh.c: /software/compilers/gcc/gcc-9.2.0-full+isl+binutils/lib/gcc/x86_64-pc-linux-gnu/9.2.0/include/mmintrin.h:90:74: warning: unknown attribute '__artificial__' ignored [-Wunknown-attributes]
dh.c: extern __inline __m64 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
dh.c: ^
dh.c: /software/compilers/gcc/gcc-9.2.0-full+isl+binutils/lib/gcc/x86_64-pc-linux-gnu/9.2.0/include/mmintrin.h:97:74: warning: unknown attribute '__artificial__' ignored [-Wunknown-attributes]
dh.c: extern __inline __m64 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
dh.c: ...
Number of similar (compiler,implementation) pairs: 10, namely:
CompilerImplementations
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE prot
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE prot
clang -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE prot
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE prot
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE prot
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE ref
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE ref
clang -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE ref
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE ref
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE ref

Compiler output

Implementation: prot
Security model: unknown
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE
dh.c: In file included from dh.c:9:
dh.c: scmul.incl: In function 'scmul_rand_wreg':
dh.c: scmul.incl:273:17: warning: implicit declaration of function 'types_cond_copy2'; did you mean 'types_copy'? [-Wimplicit-function-declaration]
dh.c: 273 | types_cond_copy2(tab0, tab4, tabx, n1, n2);
dh.c: | ^~~~~~~~~~~~~~~~
dh.c: | types_copy
dh.c: scmul.incl:284:9: warning: implicit declaration of function 'types_cond_copy'; did you mean 'types_copy'? [-Wimplicit-function-declaration]
dh.c: 284 | types_cond_copy(QX, tab0, o1);
dh.c: | ^~~~~~~~~~~~~~~
dh.c: | types_copy
Number of similar (compiler,implementation) pairs: 4, namely:
CompilerImplementations
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE prot
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE prot
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE prot
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE prot

Compiler output

Implementation: prot
Security model: unknown
Compiler: icc -march=broadwell -mtune=broadwell -O2 -fomit-frame-pointer
dh.c: In file included from dh.c(9):
dh.c: scmul.incl(273): warning #266: function "types_cond_copy2" declared implicitly
dh.c: types_cond_copy2(tab0, tab4, tabx, n1, n2);
dh.c: ^
dh.c:
dh.c: In file included from dh.c(9):
dh.c: scmul.incl(284): warning #266: function "types_cond_copy" declared implicitly
dh.c: types_cond_copy(QX, tab0, o1);
dh.c: ^
dh.c:
Number of similar (compiler,implementation) pairs: 24, namely:
CompilerImplementations
icc -march=broadwell -mtune=broadwell -O2 -fomit-frame-pointer prot
icc -march=broadwell -mtune=broadwell -O3 -fomit-frame-pointer prot
icc -march=cannonlake -mtune=cannonlake -O2 -fomit-frame-pointer prot
icc -march=cannonlake -mtune=cannonlake -O3 -fomit-frame-pointer prot
icc -march=core-avx-i -mtune=core-avx-i -O2 -fomit-frame-pointer prot
icc -march=core-avx-i -mtune=core-avx-i -O3 -fomit-frame-pointer prot
icc -march=core-avx2 -mtune=core-avx2 -O2 -fomit-frame-pointer prot
icc -march=core-avx2 -mtune=core-avx2 -O3 -fomit-frame-pointer prot
icc -march=corei7-avx -mtune=corei7-avx -O2 -fomit-frame-pointer prot
icc -march=corei7-avx -mtune=corei7-avx -O3 -fomit-frame-pointer prot
icc -march=corei7 -mtune=corei7 -O2 -fomit-frame-pointer prot
icc -march=corei7 -mtune=corei7 -O3 -fomit-frame-pointer prot
icc -march=haswell -mtune=haswell -O2 -fomit-frame-pointer prot
icc -march=haswell -mtune=haswell -O3 -fomit-frame-pointer prot
icc -march=icelake-client -mtune=icelake-client -O2 -fomit-frame-pointer prot
icc -march=icelake-client -mtune=icelake-client -O3 -fomit-frame-pointer prot
icc -march=ivybridge -mtune=ivybridge -O2 -fomit-frame-pointer prot
icc -march=ivybridge -mtune=ivybridge -O3 -fomit-frame-pointer prot
icc -march=sandybridge -mtune=sandybridge -O2 -fomit-frame-pointer prot
icc -march=sandybridge -mtune=sandybridge -O3 -fomit-frame-pointer prot
icc -march=skylake-avx512 -mtune=skylake-avx512 -O2 -fomit-frame-pointer prot
icc -march=skylake-avx512 -mtune=skylake-avx512 -O3 -fomit-frame-pointer prot
icc -march=skylake -mtune=skylake -O2 -fomit-frame-pointer prot
icc -march=skylake -mtune=skylake -O3 -fomit-frame-pointer prot

Compiler output

Implementation: ref
Security model: unknown
Compiler: icc -march=broadwell -mtune=broadwell -O2 -fomit-frame-pointer
dh.c: In file included from dh.c(6):
dh.c: curves.incl(96): warning #266: function "rand" declared implicitly
dh.c: for (j=0;j<16;j++) { I[j] = rand() % 256; }
dh.c: ^
dh.c:
dh.c: In file included from dh.c(6):
dh.c: curves.incl(109): warning #266: function "rand" declared implicitly
dh.c: for (j=0;j<16;j++) { I[j] = rand() % 256; }
dh.c: ^
dh.c:
Number of similar (compiler,implementation) pairs: 24, namely:
CompilerImplementations
icc -march=broadwell -mtune=broadwell -O2 -fomit-frame-pointer ref
icc -march=broadwell -mtune=broadwell -O3 -fomit-frame-pointer ref
icc -march=cannonlake -mtune=cannonlake -O2 -fomit-frame-pointer ref
icc -march=cannonlake -mtune=cannonlake -O3 -fomit-frame-pointer ref
icc -march=core-avx-i -mtune=core-avx-i -O2 -fomit-frame-pointer ref
icc -march=core-avx-i -mtune=core-avx-i -O3 -fomit-frame-pointer ref
icc -march=core-avx2 -mtune=core-avx2 -O2 -fomit-frame-pointer ref
icc -march=core-avx2 -mtune=core-avx2 -O3 -fomit-frame-pointer ref
icc -march=corei7-avx -mtune=corei7-avx -O2 -fomit-frame-pointer ref
icc -march=corei7-avx -mtune=corei7-avx -O3 -fomit-frame-pointer ref
icc -march=corei7 -mtune=corei7 -O2 -fomit-frame-pointer ref
icc -march=corei7 -mtune=corei7 -O3 -fomit-frame-pointer ref
icc -march=haswell -mtune=haswell -O2 -fomit-frame-pointer ref
icc -march=haswell -mtune=haswell -O3 -fomit-frame-pointer ref
icc -march=icelake-client -mtune=icelake-client -O2 -fomit-frame-pointer ref
icc -march=icelake-client -mtune=icelake-client -O3 -fomit-frame-pointer ref
icc -march=ivybridge -mtune=ivybridge -O2 -fomit-frame-pointer ref
icc -march=ivybridge -mtune=ivybridge -O3 -fomit-frame-pointer ref
icc -march=sandybridge -mtune=sandybridge -O2 -fomit-frame-pointer ref
icc -march=sandybridge -mtune=sandybridge -O3 -fomit-frame-pointer ref
icc -march=skylake-avx512 -mtune=skylake-avx512 -O2 -fomit-frame-pointer ref
icc -march=skylake-avx512 -mtune=skylake-avx512 -O3 -fomit-frame-pointer ref
icc -march=skylake -mtune=skylake -O2 -fomit-frame-pointer ref
icc -march=skylake -mtune=skylake -O3 -fomit-frame-pointer ref