Implementation notes: amd64, genji262, crypto_sign/falcon1024tree

Computer: genji262
Architecture: amd64
CPU ID: AuthenticAMD-00800f12-178bfbff
SUPERCOP version: 20191017
Operation: crypto_sign
Primitive: falcon1024tree
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
1285196144779 0 0171641 824 1632avx2gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2019102420191017
129492085180 0 0110449 824 1632avx2gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2019102420191017
131117889154 0 0114665 824 1632avx2gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2019102420191017
143332272218 0 096545 816 1600avx2gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2019102420191017
1771572144122 0 0171017 824 1632fpugcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2019102420191017
189197882825 0 0108129 824 1632fpugcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2019102420191017
192187686651 0 0112209 824 1632fpugcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2019102420191017
200162670438 0 094809 816 1600fpugcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2019102420191017
16866432139148 0 0166129 824 1632refgcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2019102420191017
17006748152007 0 0177979 816 1600refclang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2019102420191017
1705228894845 0 0120505 824 1632refgcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2019102420191017
1711177677285 0 0101801 816 1600refgcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2019102420191017
1714935291188 0 0116577 824 1632refgcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2019102420191017
17969182133028 0 0158955 816 1600refclang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2019102420191017
17976332133028 0 0158955 816 1600refclang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2019102420191017
18030716243716 0 0272974 872 1600reficc_-march=corei7_-mtune=corei7_-O3_-fomit-frame-pointer2019102420191017
18115196239460 0 0268662 872 1600reficc_-march=corei7_-mtune=corei7_-O2_-fomit-frame-pointer2019102420191017
18119596141152 0 0167723 816 1600refclang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2019102420191017
18166676292304 0 0322790 872 1600reficc_-march=broadwell_-mtune=broadwell_-O3_-fomit-frame-pointer2019102420191017
18189666292304 0 0322790 872 1600reficc_-march=core-avx2_-mtune=core-avx2_-O3_-fomit-frame-pointer2019102420191017
18222732292304 0 0322790 872 1600reficc_-march=skylake_-mtune=skylake_-O3_-fomit-frame-pointer2019102420191017
1824103683423 0 0107689 808 1600refclang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2019102420191017
18245986292304 0 0322790 872 1600reficc_-march=haswell_-mtune=haswell_-O3_-fomit-frame-pointer2019102420191017
18380362288064 0 0318950 872 1600reficc_-march=haswell_-mtune=haswell_-O2_-fomit-frame-pointer2019102420191017
18446758288064 0 0318950 872 1600reficc_-march=skylake_-mtune=skylake_-O2_-fomit-frame-pointer2019102420191017
18511218246652 0 0277182 872 1600reficc_-march=sandybridge_-mtune=sandybridge_-O3_-fomit-frame-pointer2019102420191017
18519600246652 0 0277182 872 1600reficc_-march=core-avx-i_-mtune=core-avx-i_-O3_-fomit-frame-pointer2019102420191017
18521338246652 0 0277182 872 1600reficc_-march=corei7-avx_-mtune=corei7-avx_-O3_-fomit-frame-pointer2019102420191017
18542766288064 0 0318950 872 1600reficc_-march=core-avx2_-mtune=core-avx2_-O2_-fomit-frame-pointer2019102420191017
18547760246652 0 0277182 872 1600reficc_-march=ivybridge_-mtune=ivybridge_-O3_-fomit-frame-pointer2019102420191017
18566658288064 0 0318950 872 1600reficc_-march=broadwell_-mtune=broadwell_-O2_-fomit-frame-pointer2019102420191017
18612220243708 0 0274206 872 1600reficc_-march=corei7-avx_-mtune=corei7-avx_-O2_-fomit-frame-pointer2019102420191017
18616070243708 0 0274206 872 1600reficc_-march=ivybridge_-mtune=ivybridge_-O2_-fomit-frame-pointer2019102420191017
18631140243708 0 0274206 872 1600reficc_-march=sandybridge_-mtune=sandybridge_-O2_-fomit-frame-pointer2019102420191017
18722946243708 0 0274206 872 1600reficc_-march=core-avx-i_-mtune=core-avx-i_-O2_-fomit-frame-pointer2019102420191017

Checksum failure

Implementation: avx2
Security model: unknown
Compiler: icc -march=broadwell -mtune=broadwell -O2 -fomit-frame-pointer
8176b1dfa14667a9d5e182854e7f6e1b6155de13c64b5e5007de15cbf64cb371
Number of similar (compiler,implementation) pairs: 8, namely:
CompilerImplementations
icc -march=broadwell -mtune=broadwell -O2 -fomit-frame-pointer avx2
icc -march=broadwell -mtune=broadwell -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=haswell -mtune=haswell -O2 -fomit-frame-pointer avx2
icc -march=haswell -mtune=haswell -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

Checksum failure

Implementation: avx2
Security model: unknown
Compiler: icc -march=core-avx-i -mtune=core-avx-i -O2 -fomit-frame-pointer
cc66491e57bf524fca55a45f02a4dc24d0351411b5e8ef14b6e6e6ada92ee5d1
Number of similar (compiler,implementation) pairs: 16, namely:
CompilerImplementations
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=corei7-avx -mtune=corei7-avx -O2 -fomit-frame-pointer avx2
icc -march=corei7-avx -mtune=corei7-avx -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=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=corei7-avx -mtune=corei7-avx -O2 -fomit-frame-pointer fpu
icc -march=corei7-avx -mtune=corei7-avx -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

Checksum failure

Implementation: avx2
Security model: unknown
Compiler: icc -march=corei7 -mtune=corei7 -O2 -fomit-frame-pointer
42e229ab949a5d88c15b8a51db82fd134b4a22880ae717d38e1138550a5ed127
Number of similar (compiler,implementation) pairs: 4, namely:
CompilerImplementations
icc -march=corei7 -mtune=corei7 -O2 -fomit-frame-pointer avx2
icc -march=corei7 -mtune=corei7 -O3 -fomit-frame-pointer avx2
icc -march=corei7 -mtune=corei7 -O2 -fomit-frame-pointer fpu
icc -march=corei7 -mtune=corei7 -O3 -fomit-frame-pointer fpu

Checksum failure

Implementation: fpu
Security model: unknown
Compiler: icc -march=broadwell -mtune=broadwell -O2 -fomit-frame-pointer
756cd0b4687e1bc47b9ffbf751a0f84b1687d84a86f71c489ff19af31ec1479d
Number of similar (compiler,implementation) pairs: 8, namely:
CompilerImplementations
icc -march=broadwell -mtune=broadwell -O2 -fomit-frame-pointer fpu
icc -march=broadwell -mtune=broadwell -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=haswell -mtune=haswell -O2 -fomit-frame-pointer fpu
icc -march=haswell -mtune=haswell -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

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