Implementation notes: amd64, genji262, crypto_sign/falcon512dyn

Computer: genji262
Architecture: amd64
CPU ID: AuthenticAMD-00800f12-178bfbff
SUPERCOP version: 20191017
Operation: crypto_sign
Primitive: falcon512dyn
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
112026285592 0 0110905 824 1632avx2gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2019102420191017
112604889562 0 0115105 824 1632avx2gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2019102420191017
1131614145187 0 0172081 824 1632avx2gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2019102420191017
1179200234196 0 0263550 872 1600avx2icc_-march=corei7_-mtune=corei7_-O3_-fomit-frame-pointer2019102420191017
1193874229820 0 0259118 872 1600avx2icc_-march=corei7_-mtune=corei7_-O2_-fomit-frame-pointer2019102420191017
1274746236044 0 0266686 872 1600avx2icc_-march=corei7-avx_-mtune=corei7-avx_-O3_-fomit-frame-pointer2019102420191017
1274900232964 0 0263574 872 1600avx2icc_-march=ivybridge_-mtune=ivybridge_-O2_-fomit-frame-pointer2019102420191017
1279014232964 0 0263574 872 1600avx2icc_-march=corei7-avx_-mtune=corei7-avx_-O2_-fomit-frame-pointer2019102420191017
1279674236044 0 0266686 872 1600avx2icc_-march=ivybridge_-mtune=ivybridge_-O3_-fomit-frame-pointer2019102420191017
1279850232964 0 0263574 872 1600avx2icc_-march=sandybridge_-mtune=sandybridge_-O2_-fomit-frame-pointer2019102420191017
1280730232964 0 0263574 872 1600avx2icc_-march=core-avx-i_-mtune=core-avx-i_-O2_-fomit-frame-pointer2019102420191017
1283942236044 0 0266686 872 1600avx2icc_-march=sandybridge_-mtune=sandybridge_-O3_-fomit-frame-pointer2019102420191017
1288100236044 0 0266686 872 1600avx2icc_-march=core-avx-i_-mtune=core-avx-i_-O3_-fomit-frame-pointer2019102420191017
1334586141650 0 0168609 824 1632fpugcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2019102420191017
135737872623 0 096937 816 1600avx2gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2019102420191017
1387628245228 0 0274582 872 1600fpuicc_-march=corei7_-mtune=corei7_-O3_-fomit-frame-pointer2019102420191017
1389762240700 0 0270014 872 1600fpuicc_-march=corei7_-mtune=corei7_-O2_-fomit-frame-pointer2019102420191017
142947286859 0 0112449 824 1632fpugcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2019102420191017
143215683061 0 0108409 824 1632fpugcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2019102420191017
161594470625 0 094953 816 1600fpugcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2019102420191017
1631190249012 0 0279638 872 1600fpuicc_-march=core-avx-i_-mtune=core-avx-i_-O3_-fomit-frame-pointer2019102420191017
1632752249012 0 0279638 872 1600fpuicc_-march=corei7-avx_-mtune=corei7-avx_-O3_-fomit-frame-pointer2019102420191017
1636624249012 0 0279638 872 1600fpuicc_-march=sandybridge_-mtune=sandybridge_-O3_-fomit-frame-pointer2019102420191017
1637350249012 0 0279638 872 1600fpuicc_-march=ivybridge_-mtune=ivybridge_-O3_-fomit-frame-pointer2019102420191017
1644038246028 0 0276638 872 1600fpuicc_-march=core-avx-i_-mtune=core-avx-i_-O2_-fomit-frame-pointer2019102420191017
1645974246028 0 0276638 872 1600fpuicc_-march=corei7-avx_-mtune=corei7-avx_-O2_-fomit-frame-pointer2019102420191017
1648966246028 0 0276638 872 1600fpuicc_-march=ivybridge_-mtune=ivybridge_-O2_-fomit-frame-pointer2019102420191017
1657106246028 0 0276638 872 1600fpuicc_-march=sandybridge_-mtune=sandybridge_-O2_-fomit-frame-pointer2019102420191017
17192230136676 0 0163721 824 1632refgcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2019102420191017
1734587895053 0 0120745 824 1632refgcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2019102420191017
17491804151777 0 0177763 816 1600refclang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2019102420191017
1749864677472 0 0101945 816 1600refgcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2019102420191017
1759901091424 0 0116841 824 1632refgcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2019102420191017
18447330140554 0 0167139 816 1600refclang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2019102420191017
18530138132430 0 0158339 816 1600refclang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2019102420191017
18640160132430 0 0158339 816 1600refclang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2019102420191017
1869104682844 0 0107089 808 1600refclang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2019102420191017
18743670243588 0 0272958 872 1600reficc_-march=corei7_-mtune=corei7_-O3_-fomit-frame-pointer2019102420191017
18751018286736 0 0317350 872 1600reficc_-march=skylake_-mtune=skylake_-O3_-fomit-frame-pointer2019102420191017
18760390239332 0 0268646 872 1600reficc_-march=corei7_-mtune=corei7_-O2_-fomit-frame-pointer2019102420191017
18769212286736 0 0317350 872 1600reficc_-march=haswell_-mtune=haswell_-O3_-fomit-frame-pointer2019102420191017
18796360286736 0 0317350 872 1600reficc_-march=core-avx2_-mtune=core-avx2_-O3_-fomit-frame-pointer2019102420191017
18841372286736 0 0317350 872 1600reficc_-march=broadwell_-mtune=broadwell_-O3_-fomit-frame-pointer2019102420191017
18864032246524 0 0277182 872 1600reficc_-march=sandybridge_-mtune=sandybridge_-O3_-fomit-frame-pointer2019102420191017
18882952246524 0 0277182 872 1600reficc_-march=core-avx-i_-mtune=core-avx-i_-O3_-fomit-frame-pointer2019102420191017
18893842243580 0 0274206 872 1600reficc_-march=ivybridge_-mtune=ivybridge_-O2_-fomit-frame-pointer2019102420191017
18898330243580 0 0274206 872 1600reficc_-march=corei7-avx_-mtune=corei7-avx_-O2_-fomit-frame-pointer2019102420191017
18901102243580 0 0274206 872 1600reficc_-march=core-avx-i_-mtune=core-avx-i_-O2_-fomit-frame-pointer2019102420191017
18901894243580 0 0274206 872 1600reficc_-march=sandybridge_-mtune=sandybridge_-O2_-fomit-frame-pointer2019102420191017
18909990281472 0 0312486 872 1600reficc_-march=core-avx2_-mtune=core-avx2_-O2_-fomit-frame-pointer2019102420191017
18915094246524 0 0277182 872 1600reficc_-march=corei7-avx_-mtune=corei7-avx_-O3_-fomit-frame-pointer2019102420191017
18917316281472 0 0312486 872 1600reficc_-march=haswell_-mtune=haswell_-O2_-fomit-frame-pointer2019102420191017
18934828281472 0 0312486 872 1600reficc_-march=broadwell_-mtune=broadwell_-O2_-fomit-frame-pointer2019102420191017
18936324281472 0 0312486 872 1600reficc_-march=skylake_-mtune=skylake_-O2_-fomit-frame-pointer2019102420191017
19009166246524 0 0277182 872 1600reficc_-march=ivybridge_-mtune=ivybridge_-O3_-fomit-frame-pointer2019102420191017

Test failure

Implementation: avx2
Security model: unknown
Compiler: icc -march=cannonlake -mtune=cannonlake -O2 -fomit-frame-pointer
error 111

Number of similar (compiler,implementation) pairs: 18, namely:
CompilerImplementations
icc -march=cannonlake -mtune=cannonlake -O2 -fomit-frame-pointer avx2
icc -march=cannonlake -mtune=cannonlake -O3 -fomit-frame-pointer avx2
icc -march=icelake-client -mtune=icelake-client -O2 -fomit-frame-pointer avx2
icc -march=icelake-client -mtune=icelake-client -O3 -fomit-frame-pointer avx2
icc -march=skylake-avx512 -mtune=skylake-avx512 -O2 -fomit-frame-pointer avx2
icc -march=skylake-avx512 -mtune=skylake-avx512 -O3 -fomit-frame-pointer avx2
icc -march=cannonlake -mtune=cannonlake -O2 -fomit-frame-pointer fpu
icc -march=cannonlake -mtune=cannonlake -O3 -fomit-frame-pointer fpu
icc -march=icelake-client -mtune=icelake-client -O2 -fomit-frame-pointer fpu
icc -march=icelake-client -mtune=icelake-client -O3 -fomit-frame-pointer fpu
icc -march=skylake-avx512 -mtune=skylake-avx512 -O2 -fomit-frame-pointer fpu
icc -march=skylake-avx512 -mtune=skylake-avx512 -O3 -fomit-frame-pointer fpu
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: avx2
Security model: unknown
Compiler: clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE
api.c: In file included from api.c:10:
api.c: In file included from ./inner.h:90:
api.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/immintrin.h:27:
api.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]
api.c: extern __inline void __attribute__((__gnu_inline__, __always_inline__, __artificial__))
api.c: ^
api.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]
api.c: extern __inline void __attribute__((__gnu_inline__, __always_inline__, __artificial__))
api.c: ^
api.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]
api.c: extern __inline __m64 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
api.c: ^
api.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]
api.c: extern __inline __m64 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
api.c: ^
api.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]
api.c: extern __inline __m64 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
api.c: ^
api.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]
api.c: extern __inline __m64 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
api.c: ^
api.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]
api.c: extern __inline __m64 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
api.c: ^
api.c: /software/compilers/gcc/gcc-9.2.0-full+isl+binutils/lib/gcc/x86_64-pc-linux-gnu/9.2.0/include/mmintrin.h:103:74: warning: unknown attribute '__artificial__' ignored [-Wunknown-attributes]
api.c: ...

Number of similar (compiler,implementation) pairs: 5, namely:
CompilerImplementations
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE avx2
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE avx2
clang -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE avx2
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE avx2
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE avx2

Compiler output

Implementation: avx2
Security model: unknown
Compiler: icc -march=broadwell -mtune=broadwell -O2 -fomit-frame-pointer
api.c: In file included from api.c(10):
api.c: inner.h(297): warning #3438: unsupported option is ignored
api.c: #pragma GCC optimize ("fp-contract=off")
api.c: ^
api.c:
codec.c: In file included from codec.c(32):
codec.c: inner.h(297): warning #3438: unsupported option is ignored
codec.c: #pragma GCC optimize ("fp-contract=off")
codec.c: ^
codec.c:
common.c: In file included from common.c(32):
common.c: inner.h(297): warning #3438: unsupported option is ignored
common.c: #pragma GCC optimize ("fp-contract=off")
common.c: ^
common.c:
fft.c: In file included from fft.c(32):
fft.c: inner.h(297): warning #3438: unsupported option is ignored
fft.c: #pragma GCC optimize ("fp-contract=off")
fft.c: ^
fft.c:
fpr.c: In file included from fpr.c(35):
fpr.c: inner.h(297): warning #3438: unsupported option is ignored
fpr.c: #pragma GCC optimize ("fp-contract=off")
fpr.c: ^
fpr.c:
keygen.c: In file included from keygen.c(32):
keygen.c: inner.h(297): warning #3438: unsupported option is ignored
keygen.c: #pragma GCC optimize ("fp-contract=off")
keygen.c: ^
keygen.c:
rng.c: In file included from rng.c(34):
rng.c: inner.h(297): warning #3438: unsupported option is ignored
rng.c: #pragma GCC optimize ("fp-contract=off")
rng.c: ^
rng.c:
shake.c: In file included from shake.c(34):
shake.c: inner.h(297): warning #3438: unsupported option is ignored
shake.c: #pragma GCC optimize ("fp-contract=off")
shake.c: ^
shake.c:
sign.c: In file included from sign.c(32):
sign.c: inner.h(297): warning #3438: unsupported option is ignored
sign.c: #pragma GCC optimize ("fp-contract=off")
sign.c: ^
sign.c:
vrfy.c: In file included from vrfy.c(32):
vrfy.c: inner.h(297): warning #3438: unsupported option is ignored
vrfy.c: #pragma GCC optimize ("fp-contract=off")
vrfy.c: ^
vrfy.c:

Number of similar (compiler,implementation) pairs: 24, namely:
CompilerImplementations
icc -march=broadwell -mtune=broadwell -O2 -fomit-frame-pointer avx2
icc -march=broadwell -mtune=broadwell -O3 -fomit-frame-pointer avx2
icc -march=cannonlake -mtune=cannonlake -O2 -fomit-frame-pointer avx2
icc -march=cannonlake -mtune=cannonlake -O3 -fomit-frame-pointer avx2
icc -march=core-avx-i -mtune=core-avx-i -O2 -fomit-frame-pointer avx2
icc -march=core-avx-i -mtune=core-avx-i -O3 -fomit-frame-pointer avx2
icc -march=core-avx2 -mtune=core-avx2 -O2 -fomit-frame-pointer avx2
icc -march=core-avx2 -mtune=core-avx2 -O3 -fomit-frame-pointer avx2
icc -march=corei7-avx -mtune=corei7-avx -O2 -fomit-frame-pointer avx2
icc -march=corei7-avx -mtune=corei7-avx -O3 -fomit-frame-pointer avx2
icc -march=corei7 -mtune=corei7 -O2 -fomit-frame-pointer avx2
icc -march=corei7 -mtune=corei7 -O3 -fomit-frame-pointer avx2
icc -march=haswell -mtune=haswell -O2 -fomit-frame-pointer avx2
icc -march=haswell -mtune=haswell -O3 -fomit-frame-pointer avx2
icc -march=icelake-client -mtune=icelake-client -O2 -fomit-frame-pointer avx2
icc -march=icelake-client -mtune=icelake-client -O3 -fomit-frame-pointer avx2
icc -march=ivybridge -mtune=ivybridge -O2 -fomit-frame-pointer avx2
icc -march=ivybridge -mtune=ivybridge -O3 -fomit-frame-pointer avx2
icc -march=sandybridge -mtune=sandybridge -O2 -fomit-frame-pointer avx2
icc -march=sandybridge -mtune=sandybridge -O3 -fomit-frame-pointer avx2
icc -march=skylake-avx512 -mtune=skylake-avx512 -O2 -fomit-frame-pointer avx2
icc -march=skylake-avx512 -mtune=skylake-avx512 -O3 -fomit-frame-pointer avx2
icc -march=skylake -mtune=skylake -O2 -fomit-frame-pointer avx2
icc -march=skylake -mtune=skylake -O3 -fomit-frame-pointer avx2

Compiler output

Implementation: fpu
Security model: unknown
Compiler: clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE
api.c: In file included from api.c:10:
api.c: In file included from ./inner.h:256:
api.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/immintrin.h:27:
api.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]
api.c: extern __inline void __attribute__((__gnu_inline__, __always_inline__, __artificial__))
api.c: ^
api.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]
api.c: extern __inline void __attribute__((__gnu_inline__, __always_inline__, __artificial__))
api.c: ^
api.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]
api.c: extern __inline __m64 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
api.c: ^
api.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]
api.c: extern __inline __m64 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
api.c: ^
api.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]
api.c: extern __inline __m64 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
api.c: ^
api.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]
api.c: extern __inline __m64 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
api.c: ^
api.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]
api.c: extern __inline __m64 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
api.c: ^
api.c: /software/compilers/gcc/gcc-9.2.0-full+isl+binutils/lib/gcc/x86_64-pc-linux-gnu/9.2.0/include/mmintrin.h:103:74: warning: unknown attribute '__artificial__' ignored [-Wunknown-attributes]
api.c: ...

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

Compiler output

Implementation: fpu
Security model: unknown
Compiler: icc -march=broadwell -mtune=broadwell -O2 -fomit-frame-pointer
api.c: In file included from api.c(10):
api.c: inner.h(270): warning #3438: unsupported option is ignored
api.c: #pragma GCC optimize ("fp-contract=off")
api.c: ^
api.c:
codec.c: In file included from codec.c(32):
codec.c: inner.h(270): warning #3438: unsupported option is ignored
codec.c: #pragma GCC optimize ("fp-contract=off")
codec.c: ^
codec.c:
common.c: In file included from common.c(32):
common.c: inner.h(270): warning #3438: unsupported option is ignored
common.c: #pragma GCC optimize ("fp-contract=off")
common.c: ^
common.c:
fft.c: In file included from fft.c(32):
fft.c: inner.h(270): warning #3438: unsupported option is ignored
fft.c: #pragma GCC optimize ("fp-contract=off")
fft.c: ^
fft.c:
fpr.c: In file included from fpr.c(35):
fpr.c: inner.h(270): warning #3438: unsupported option is ignored
fpr.c: #pragma GCC optimize ("fp-contract=off")
fpr.c: ^
fpr.c:
keygen.c: In file included from keygen.c(32):
keygen.c: inner.h(270): warning #3438: unsupported option is ignored
keygen.c: #pragma GCC optimize ("fp-contract=off")
keygen.c: ^
keygen.c:
rng.c: In file included from rng.c(34):
rng.c: inner.h(270): warning #3438: unsupported option is ignored
rng.c: #pragma GCC optimize ("fp-contract=off")
rng.c: ^
rng.c:
shake.c: In file included from shake.c(34):
shake.c: inner.h(270): warning #3438: unsupported option is ignored
shake.c: #pragma GCC optimize ("fp-contract=off")
shake.c: ^
shake.c:
sign.c: In file included from sign.c(32):
sign.c: inner.h(270): warning #3438: unsupported option is ignored
sign.c: #pragma GCC optimize ("fp-contract=off")
sign.c: ^
sign.c:
vrfy.c: In file included from vrfy.c(32):
vrfy.c: inner.h(270): warning #3438: unsupported option is ignored
vrfy.c: #pragma GCC optimize ("fp-contract=off")
vrfy.c: ^
vrfy.c:

Number of similar (compiler,implementation) pairs: 24, namely:
CompilerImplementations
icc -march=broadwell -mtune=broadwell -O2 -fomit-frame-pointer fpu
icc -march=broadwell -mtune=broadwell -O3 -fomit-frame-pointer fpu
icc -march=cannonlake -mtune=cannonlake -O2 -fomit-frame-pointer fpu
icc -march=cannonlake -mtune=cannonlake -O3 -fomit-frame-pointer fpu
icc -march=core-avx-i -mtune=core-avx-i -O2 -fomit-frame-pointer fpu
icc -march=core-avx-i -mtune=core-avx-i -O3 -fomit-frame-pointer fpu
icc -march=core-avx2 -mtune=core-avx2 -O2 -fomit-frame-pointer fpu
icc -march=core-avx2 -mtune=core-avx2 -O3 -fomit-frame-pointer fpu
icc -march=corei7-avx -mtune=corei7-avx -O2 -fomit-frame-pointer fpu
icc -march=corei7-avx -mtune=corei7-avx -O3 -fomit-frame-pointer fpu
icc -march=corei7 -mtune=corei7 -O2 -fomit-frame-pointer fpu
icc -march=corei7 -mtune=corei7 -O3 -fomit-frame-pointer fpu
icc -march=haswell -mtune=haswell -O2 -fomit-frame-pointer fpu
icc -march=haswell -mtune=haswell -O3 -fomit-frame-pointer fpu
icc -march=icelake-client -mtune=icelake-client -O2 -fomit-frame-pointer fpu
icc -march=icelake-client -mtune=icelake-client -O3 -fomit-frame-pointer fpu
icc -march=ivybridge -mtune=ivybridge -O2 -fomit-frame-pointer fpu
icc -march=ivybridge -mtune=ivybridge -O3 -fomit-frame-pointer fpu
icc -march=sandybridge -mtune=sandybridge -O2 -fomit-frame-pointer fpu
icc -march=sandybridge -mtune=sandybridge -O3 -fomit-frame-pointer fpu
icc -march=skylake-avx512 -mtune=skylake-avx512 -O2 -fomit-frame-pointer fpu
icc -march=skylake-avx512 -mtune=skylake-avx512 -O3 -fomit-frame-pointer fpu
icc -march=skylake -mtune=skylake -O2 -fomit-frame-pointer fpu
icc -march=skylake -mtune=skylake -O3 -fomit-frame-pointer fpu