Implementation notes: amd64, titan0, crypto_kem/ntruhps2048509

Computer: titan0
Architecture: amd64
CPU ID: GenuineIntel-000306c3-bfebfbff
SUPERCOP version: 20201130
Operation: crypto_kem
Primitive: ntruhps2048509
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
6604483784 25984 0175341 26784 1608avx2gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2020101820201018
6698085401 25984 0176411 26800 1576avx2clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2020101820201018
6710891292 25984 0182379 26800 1576avx2clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2020101820201018
6781685401 25984 0176411 26800 1576avx2clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2020101820201018
7934074223 25984 0162853 26784 1608avx2gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2020101820201018
8344473289 25984 0160449 26792 1576avx2clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2020101820201018
8640474419 25984 0162765 26784 1608avx2gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2020101820201018
9157273025 25984 0160469 26776 1576avx2gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2020101820201018
185812023099 0 0113859 808 1576refclang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2020101820201018
186440029272 0 0120067 808 1576refclang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2020101820201018
189447623099 0 0113859 808 1576refclang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2020101820201018
20332526088 0 093193 800 1576refclang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2020101820201018
203502026855 0 0117187 808 1576refclang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2020101820201018
246286821599 0 0113159 800 1608refgcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2020101820201018
25239047240 0 095861 792 1608refgcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2020101820201018
62739607171 0 095453 792 1608refgcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2020101820201018
63005366468 0 093805 784 1576refgcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2020101820201018

Compiler output

Implementation: avx2
Security model: constbranchindex
Compiler: clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE
poly_r2_inv.c: poly_r2_inv.c:19:14: error: always_inline function '_pext_u64' requires target feature 'bmi2', but would be inlined into function 'crypto_kem_ntruhps2048509_avx2_constbranchindex_poly_R2_tobytes' that is compiled without support for 'bmi2'
poly_r2_inv.c: out[i] = _pext_u64(coeff_pointer[2*i], 0x1000100010001);
poly_r2_inv.c: ^
poly_r2_inv.c: poly_r2_inv.c:20:15: error: always_inline function '_pext_u64' requires target feature 'bmi2', but would be inlined into function 'crypto_kem_ntruhps2048509_avx2_constbranchindex_poly_R2_tobytes' that is compiled without support for 'bmi2'
poly_r2_inv.c: out[i] |= _pext_u64(coeff_pointer[2*i+1], 0x1000100010001) << 4;
poly_r2_inv.c: ^
poly_r2_inv.c: poly_r2_inv.c:22:12: error: always_inline function '_pext_u64' requires target feature 'bmi2', but would be inlined into function 'crypto_kem_ntruhps2048509_avx2_constbranchindex_poly_R2_tobytes' that is compiled without support for 'bmi2'
poly_r2_inv.c: out[i] = _pext_u64(coeff_pointer[2*63], 0x1000100010001);
poly_r2_inv.c: ^
poly_r2_inv.c: poly_r2_inv.c:23:13: error: always_inline function '_pext_u64' requires target feature 'bmi2', but would be inlined into function 'crypto_kem_ntruhps2048509_avx2_constbranchindex_poly_R2_tobytes' that is compiled without support for 'bmi2'
poly_r2_inv.c: out[i] |= _pext_u64(coeff_pointer[2*63+1], 0x1) << 4;
poly_r2_inv.c: ^
poly_r2_inv.c: 4 errors generated.

Number of similar (compiler,implementation) pairs: 1, namely:
CompilerImplementations
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE avx2