Implementation notes: amd64, samba, crypto_kem/ntruhps2048509

Computer: samba
Architecture: amd64
CPU ID: GenuineIntel-000506e3-bfebfbff
SUPERCOP version: 20201130
Operation: crypto_kem
Primitive: ntruhps2048509
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
6354383784 25984 0144061 26784 1608avx2gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2020101820201018
6408785481 25984 0145004 26784 1576avx2clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2020101820201018
6423091373 25984 0150972 26784 1576avx2clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2020101820201018
6442185481 25984 0145004 26784 1576avx2clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2020101820201018
8050073293 25984 0129106 26776 1576avx2clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2020101820201018
8185174223 25984 0131573 26784 1608avx2gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2020101820201018
8295674419 25984 0131485 26784 1608avx2gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2020101820201018
8971573025 25984 0129189 26776 1576avx2gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2020101820201018
180432023099 0 082372 792 1576refclang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2020101820201018
181308523099 0 082372 792 1576refclang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2020101820201018
181668229273 0 088580 792 1576refclang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2020101820201018
194846826855 0 085700 792 1576refclang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2020101820201018
22606076086 0 061850 784 1576refclang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2020101820201018
230956221599 0 081879 800 1608refgcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2020101820201018
23693167240 0 064581 792 1608refgcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2020101820201018
52251116468 0 062525 784 1576refgcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2020101820201018
52769667171 0 064173 792 1608refgcc_-march=native_-mtune=native_-O_-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