Implementation notes: x86, samba, crypto_sign/dilithium2

Computer: samba
Architecture: x86
CPU ID: GenuineIntel-000506e3-bfebfbff
SUPERCOP version: 20190803
Operation: crypto_sign
Primitive: dilithium2

Time	Implementation	Compiler	Benchmark date	SUPERCOP version
4264613	`ref`	`gcc -funroll-loops -m32 -march=pentium4 -O3 -fomit-frame-pointer`	20190805	20190803
4266486	`ref`	`gcc -funroll-loops -m32 -march=pentium4 -O2 -fomit-frame-pointer`	20190805	20190803
4384867	`ref`	`gcc -funroll-loops -m32 -march=athlon -O3 -fomit-frame-pointer`	20190805	20190803
4410555	`ref`	`gcc -funroll-loops -m32 -march=pentium4 -O -fomit-frame-pointer`	20190805	20190803
4410700	`ref`	`gcc -m32 -march=native -mtune=native -O3 -fomit-frame-pointer`	20190805	20190803
4428156	`ref`	`gcc -funroll-loops -m32 -march=athlon -O2 -fomit-frame-pointer`	20190805	20190803
4430403	`ref`	`gcc -m32 -march=corei7 -O3 -fomit-frame-pointer`	20190805	20190803
4436149	`ref`	`gcc -m32 -march=pentium4 -O3 -fomit-frame-pointer`	20190805	20190803
4443919	`ref`	`gcc -m32 -march=core2 -msse4.1 -O3 -fomit-frame-pointer`	20190805	20190803
4445712	`ref`	`gcc -m32 -march=core2 -msse4 -O3 -fomit-frame-pointer`	20190805	20190803
4456244	`ref`	`gcc -m32 -march=core2 -O3 -fomit-frame-pointer`	20190805	20190803
4460536	`ref`	`gcc -funroll-loops -m32 -march=pentium-m -O -fomit-frame-pointer`	20190805	20190803
4479103	`ref`	`gcc -m32 -march=core-avx2 -O3 -fomit-frame-pointer`	20190805	20190803
4481603	`ref`	`gcc -m32 -march=athlon -O3 -fomit-frame-pointer`	20190805	20190803
4491933	`ref`	`gcc -m32 -march=core-avx2 -O2 -fomit-frame-pointer`	20190805	20190803
4494651	`ref`	`gcc -funroll-loops -m32 -march=k8 -O -fomit-frame-pointer`	20190805	20190803
4503657	`ref`	`gcc -m32 -march=core-avx-i -O2 -fomit-frame-pointer`	20190805	20190803
4506623	`ref`	`gcc -m32 -march=native -mtune=native -O2 -fomit-frame-pointer`	20190805	20190803
4516434	`ref`	`gcc -funroll-loops -m32 -march=barcelona -O -fomit-frame-pointer`	20190805	20190803
4527254	`ref`	`gcc -m32 -march=corei7 -O2 -fomit-frame-pointer`	20190805	20190803
4548852	`ref`	`gcc -m32 -march=corei7-avx -O2 -fomit-frame-pointer`	20190805	20190803
4549077	`ref`	`gcc -m32 -march=core2 -msse4.1 -O2 -fomit-frame-pointer`	20190805	20190803
4554070	`ref`	`gcc -funroll-loops -m32 -march=pentiumpro -O3 -fomit-frame-pointer`	20190805	20190803
4556581	`ref`	`gcc -funroll-loops -m32 -march=k6 -O3 -fomit-frame-pointer`	20190805	20190803
4567357	`ref`	`gcc -funroll-loops -m32 -march=pentium3 -O3 -fomit-frame-pointer`	20190805	20190803
4574208	`ref`	`gcc -funroll-loops -m32 -march=pentium3 -O -fomit-frame-pointer`	20190805	20190803
4577109	`ref`	`gcc -funroll-loops -m32 -march=pentiumpro -O -fomit-frame-pointer`	20190805	20190803
4580429	`ref`	`gcc -m32 -march=core2 -msse4 -O2 -fomit-frame-pointer`	20190805	20190803
4580595	`ref`	`gcc -funroll-loops -m32 -march=pentiumpro -O2 -fomit-frame-pointer`	20190805	20190803
4587158	`ref`	`gcc -funroll-loops -m32 -O3 -fomit-frame-pointer`	20190805	20190803
4587443	`ref`	`gcc -funroll-loops -m32 -O2 -fomit-frame-pointer`	20190805	20190803
4592135	`ref`	`gcc -funroll-loops -m32 -march=k6-2 -O2 -fomit-frame-pointer`	20190805	20190803
4599752	`ref`	`gcc -funroll-loops -m32 -march=k6-3 -O3 -fomit-frame-pointer`	20190805	20190803
4603800	`ref`	`gcc -funroll-loops -m32 -march=pentium2 -O2 -fomit-frame-pointer`	20190805	20190803
4612813	`ref`	`gcc -funroll-loops -m32 -march=athlon -O -fomit-frame-pointer`	20190805	20190803
4621852	`ref`	`gcc -m32 -march=k6-3 -O3 -fomit-frame-pointer`	20190805	20190803
4625646	`ref`	`gcc -funroll-loops -m32 -march=pentium2 -O -fomit-frame-pointer`	20190805	20190803
4629873	`ref`	`gcc -funroll-loops -m32 -march=k6 -O2 -fomit-frame-pointer`	20190805	20190803
4636671	`ref`	`gcc -funroll-loops -m32 -march=pentium2 -O3 -fomit-frame-pointer`	20190805	20190803
4649024	`ref`	`gcc -m32 -march=k6-2 -O3 -fomit-frame-pointer`	20190805	20190803
4651466	`ref`	`gcc -m32 -march=core-avx-i -O3 -fomit-frame-pointer`	20190805	20190803
4656810	`ref`	`gcc -m32 -march=pentium4 -O2 -fomit-frame-pointer`	20190805	20190803
4662170	`ref`	`gcc -funroll-loops -m32 -march=k6-2 -O3 -fomit-frame-pointer`	20190805	20190803
4662268	`ref`	`gcc -m32 -march=pentium3 -O3 -fomit-frame-pointer`	20190805	20190803
4667891	`ref`	`gcc -m32 -march=core2 -O2 -fomit-frame-pointer`	20190805	20190803
4670081	`ref`	`gcc -funroll-loops -m32 -march=pentium3 -O2 -fomit-frame-pointer`	20190805	20190803
4671156	`ref`	`gcc -m32 -march=corei7-avx -O3 -fomit-frame-pointer`	20190805	20190803
4699827	`ref`	`gcc -funroll-loops -m32 -march=k6-3 -O2 -fomit-frame-pointer`	20190805	20190803
4720340	`ref`	`gcc -funroll-loops -m32 -march=prescott -O2 -fomit-frame-pointer`	20190805	20190803
4722894	`ref`	`gcc -m32 -march=pentiumpro -O3 -fomit-frame-pointer`	20190805	20190803
4760176	`ref`	`gcc -funroll-loops -m32 -march=prescott -O3 -fomit-frame-pointer`	20190805	20190803
4788187	`ref`	`gcc -m32 -march=core-avx2 -Os -fomit-frame-pointer`	20190805	20190803
4788202	`ref`	`gcc -funroll-loops -m32 -O -fomit-frame-pointer`	20190805	20190803
4795056	`ref`	`gcc -funroll-loops -m32 -march=nocona -O2 -fomit-frame-pointer`	20190805	20190803
4800431	`ref`	`gcc -m32 -march=core-avx-i -Os -fomit-frame-pointer`	20190805	20190803
4808948	`ref`	`gcc -m32 -march=athlon -O2 -fomit-frame-pointer`	20190805	20190803
4814976	`ref`	`gcc -m32 -march=native -mtune=native -Os -fomit-frame-pointer`	20190805	20190803
4815410	`ref`	`gcc -funroll-loops -m32 -march=k6-2 -O -fomit-frame-pointer`	20190805	20190803
4818796	`ref`	`gcc -m32 -march=pentium2 -O -fomit-frame-pointer`	20190805	20190803
4819423	`ref`	`gcc -m32 -march=corei7-avx -Os -fomit-frame-pointer`	20190805	20190803
4824648	`ref`	`gcc -m32 -O3 -fomit-frame-pointer`	20190805	20190803
4824980	`ref`	`gcc -m32 -march=corei7 -Os -fomit-frame-pointer`	20190805	20190803
4826072	`ref`	`gcc -m32 -march=core2 -msse4.1 -Os -fomit-frame-pointer`	20190805	20190803
4834294	`ref`	`gcc -m32 -march=pentium2 -O3 -fomit-frame-pointer`	20190805	20190803
4835706	`ref`	`gcc -m32 -march=core2 -msse4 -Os -fomit-frame-pointer`	20190805	20190803
4836570	`ref`	`gcc -m32 -march=pentium3 -O -fomit-frame-pointer`	20190805	20190803
4839377	`ref`	`gcc -funroll-loops -m32 -march=k6-3 -O -fomit-frame-pointer`	20190805	20190803
4846299	`ref`	`gcc -funroll-loops -m32 -march=nocona -O -fomit-frame-pointer`	20190805	20190803
4856534	`ref`	`gcc -m32 -march=core2 -Os -fomit-frame-pointer`	20190805	20190803
4858117	`ref`	`gcc -m32 -march=k8 -O -fomit-frame-pointer`	20190805	20190803
4870367	`ref`	`gcc -funroll-loops -m32 -march=k6 -O -fomit-frame-pointer`	20190805	20190803
4870855	`ref`	`gcc -m32 -march=prescott -Os -fomit-frame-pointer`	20190805	20190803
4880953	`ref`	`gcc -funroll-loops -m32 -march=nocona -O3 -fomit-frame-pointer`	20190805	20190803
4881157	`ref`	`gcc -m32 -march=pentium-m -O -fomit-frame-pointer`	20190805	20190803
4881474	`ref`	`gcc -m32 -march=nocona -Os -fomit-frame-pointer`	20190805	20190803
4883075	`ref`	`gcc -m32 -march=pentiumpro -O -fomit-frame-pointer`	20190805	20190803
4887456	`ref`	`gcc -m32 -march=nocona -O3 -fomit-frame-pointer`	20190805	20190803
4893435	`ref`	`gcc -m32 -march=core-avx2 -O -fomit-frame-pointer`	20190805	20190803
4904008	`ref`	`gcc -m32 -march=k6 -O3 -fomit-frame-pointer`	20190805	20190803
4907150	`ref`	`gcc -m32 -march=prescott -O3 -fomit-frame-pointer`	20190805	20190803
4910000	`ref`	`gcc -funroll-loops -m32 -march=nocona -Os -fomit-frame-pointer`	20190805	20190803
4912986	`ref`	`gcc -m32 -march=pentium4 -Os -fomit-frame-pointer`	20190805	20190803
4916690	`ref`	`gcc -m32 -march=pentium4 -O -fomit-frame-pointer`	20190805	20190803
4918165	`ref`	`gcc -funroll-loops -m32 -march=pentium4 -Os -fomit-frame-pointer`	20190805	20190803
4924145	`ref`	`gcc -m32 -march=pentium-m -Os -fomit-frame-pointer`	20190805	20190803
4940819	`ref`	`gcc -m32 -march=native -mtune=native -O -fomit-frame-pointer`	20190805	20190803
4941978	`ref`	`gcc -funroll-loops -m32 -march=prescott -Os -fomit-frame-pointer`	20190805	20190803
4954099	`ref`	`gcc -funroll-loops -m32 -march=pentium-m -Os -fomit-frame-pointer`	20190805	20190803
4956903	`ref`	`gcc -m32 -march=pentiumpro -O2 -fomit-frame-pointer`	20190805	20190803
4957643	`ref`	`gcc -funroll-loops -m32 -march=prescott -O -fomit-frame-pointer`	20190805	20190803
4968722	`ref`	`gcc -m32 -march=athlon -O -fomit-frame-pointer`	20190805	20190803
5002746	`ref`	`gcc -m32 -march=pentium3 -O2 -fomit-frame-pointer`	20190805	20190803
5006053	`ref`	`gcc -m32 -march=prescott -O2 -fomit-frame-pointer`	20190805	20190803
5011722	`ref`	`gcc -m32 -march=pentium2 -O2 -fomit-frame-pointer`	20190805	20190803
5030238	`ref`	`gcc -m32 -march=nocona -O2 -fomit-frame-pointer`	20190805	20190803
5041302	`ref`	`gcc -m32 -march=core2 -msse4.1 -O -fomit-frame-pointer`	20190805	20190803
5044330	`ref`	`gcc -m32 -march=core-avx-i -O -fomit-frame-pointer`	20190805	20190803
5047490	`ref`	`gcc -m32 -march=barcelona -O -fomit-frame-pointer`	20190805	20190803
5050982	`ref`	`gcc -m32 -march=core2 -O -fomit-frame-pointer`	20190805	20190803
5058030	`ref`	`gcc -m32 -march=corei7-avx -O -fomit-frame-pointer`	20190805	20190803
5059002	`ref`	`gcc -m32 -march=k6-2 -Os -fomit-frame-pointer`	20190805	20190803
5063579	`ref`	`gcc -m32 -march=core2 -msse4 -O -fomit-frame-pointer`	20190805	20190803
5070910	`ref`	`gcc -m32 -march=k6 -Os -fomit-frame-pointer`	20190805	20190803
5074714	`ref`	`gcc -funroll-loops -m32 -march=k6-3 -Os -fomit-frame-pointer`	20190805	20190803
5085042	`ref`	`gcc -m32 -march=corei7 -O -fomit-frame-pointer`	20190805	20190803
5091363	`ref`	`gcc -funroll-loops -m32 -march=k6 -Os -fomit-frame-pointer`	20190805	20190803
5102684	`ref`	`gcc -m32 -march=k6-3 -Os -fomit-frame-pointer`	20190805	20190803
5111615	`ref`	`gcc -funroll-loops -m32 -march=k6-2 -Os -fomit-frame-pointer`	20190805	20190803
5120476	`ref`	`gcc -m32 -O2 -fomit-frame-pointer`	20190805	20190803
5135573	`ref`	`gcc -m32 -march=k6-2 -O -fomit-frame-pointer`	20190805	20190803
5138413	`ref`	`gcc -m32 -march=k6-3 -O2 -fomit-frame-pointer`	20190805	20190803
5149380	`ref`	`gcc -m32 -march=k6 -O -fomit-frame-pointer`	20190805	20190803
5163737	`ref`	`gcc -m32 -march=i386 -Os -fomit-frame-pointer`	20190805	20190803
5168680	`ref`	`gcc -m32 -march=i486 -Os -fomit-frame-pointer`	20190805	20190803
5172375	`ref`	`gcc -m32 -march=k6 -O2 -fomit-frame-pointer`	20190805	20190803
5183615	`ref`	`gcc -m32 -march=pentium-mmx -Os -fomit-frame-pointer`	20190805	20190803
5186746	`ref`	`gcc -funroll-loops -m32 -march=i386 -Os -fomit-frame-pointer`	20190805	20190803
5187962	`ref`	`gcc -m32 -march=k6-3 -O -fomit-frame-pointer`	20190805	20190803
5189205	`ref`	`gcc -m32 -march=pentium -Os -fomit-frame-pointer`	20190805	20190803
5198907	`ref`	`gcc -funroll-loops -m32 -march=pentium-mmx -Os -fomit-frame-pointer`	20190805	20190803
5202588	`ref`	`gcc -m32 -march=prescott -O -fomit-frame-pointer`	20190805	20190803
5204941	`ref`	`gcc -funroll-loops -m32 -Os -fomit-frame-pointer`	20190805	20190803
5210873	`ref`	`gcc -funroll-loops -m32 -march=i486 -Os -fomit-frame-pointer`	20190805	20190803
5220240	`ref`	`gcc -m32 -march=athlon -Os -fomit-frame-pointer`	20190805	20190803
5222946	`ref`	`gcc -m32 -march=k6-2 -O2 -fomit-frame-pointer`	20190805	20190803
5226430	`ref`	`gcc -funroll-loops -m32 -march=athlon -Os -fomit-frame-pointer`	20190805	20190803
5228399	`ref`	`gcc -m32 -O -fomit-frame-pointer`	20190805	20190803
5228488	`ref`	`gcc -m32 -march=pentium3 -Os -fomit-frame-pointer`	20190805	20190803
5233454	`ref`	`gcc -m32 -march=nocona -O -fomit-frame-pointer`	20190805	20190803
5241994	`ref`	`gcc -funroll-loops -m32 -march=pentium -Os -fomit-frame-pointer`	20190805	20190803
5243437	`ref`	`gcc -m32 -march=pentiumpro -Os -fomit-frame-pointer`	20190805	20190803
5246625	`ref`	`gcc -m32 -march=pentium2 -Os -fomit-frame-pointer`	20190805	20190803
5247060	`ref`	`gcc -funroll-loops -m32 -march=pentium3 -Os -fomit-frame-pointer`	20190805	20190803
5255430	`ref`	`gcc -m32 -Os -fomit-frame-pointer`	20190805	20190803
5258931	`ref`	`gcc -funroll-loops -m32 -march=pentiumpro -Os -fomit-frame-pointer`	20190805	20190803
5275340	`ref`	`gcc -funroll-loops -m32 -march=pentium2 -Os -fomit-frame-pointer`	20190805	20190803
5281131	`ref`	`gcc -funroll-loops -m32 -march=i486 -O3 -fomit-frame-pointer`	20190805	20190803
5290891	`ref`	`gcc -funroll-loops -m32 -march=i486 -O2 -fomit-frame-pointer`	20190805	20190803
5415198	`ref`	`gcc -funroll-loops -m32 -march=pentium -O2 -fomit-frame-pointer`	20190805	20190803
5416603	`ref`	`gcc -funroll-loops -m32 -march=pentium-mmx -O3 -fomit-frame-pointer`	20190805	20190803
5475357	`ref`	`gcc -funroll-loops -m32 -march=pentium -O3 -fomit-frame-pointer`	20190805	20190803
5506595	`ref`	`gcc -m32 -march=i486 -O3 -fomit-frame-pointer`	20190805	20190803
5516942	`ref`	`gcc -funroll-loops -m32 -march=pentium-mmx -O2 -fomit-frame-pointer`	20190805	20190803
5523316	`ref`	`gcc -funroll-loops -m32 -march=i486 -O -fomit-frame-pointer`	20190805	20190803
5549639	`ref`	`gcc -funroll-loops -m32 -march=pentium -O -fomit-frame-pointer`	20190805	20190803
5550994	`ref`	`gcc -funroll-loops -m32 -march=pentium-mmx -O -fomit-frame-pointer`	20190805	20190803
5717762	`ref`	`gcc -m32 -march=pentium-mmx -O3 -fomit-frame-pointer`	20190805	20190803
5721311	`ref`	`gcc -m32 -march=pentium -O3 -fomit-frame-pointer`	20190805	20190803
5759984	`ref`	`gcc -funroll-loops -m32 -march=i386 -O -fomit-frame-pointer`	20190805	20190803
5798946	`ref`	`gcc -m32 -march=i486 -O2 -fomit-frame-pointer`	20190805	20190803
5869236	`ref`	`gcc -m32 -march=i486 -O -fomit-frame-pointer`	20190805	20190803
5917494	`ref`	`gcc -m32 -march=pentium -O -fomit-frame-pointer`	20190805	20190803
5919391	`ref`	`gcc -m32 -march=pentium-mmx -O -fomit-frame-pointer`	20190805	20190803
6000155	`ref`	`gcc -funroll-loops -m32 -march=i386 -O3 -fomit-frame-pointer`	20190805	20190803
6038982	`ref`	`gcc -m32 -march=pentium -O2 -fomit-frame-pointer`	20190805	20190803
6100510	`ref`	`gcc -m32 -march=pentium-mmx -O2 -fomit-frame-pointer`	20190805	20190803
6137679	`ref`	`gcc -funroll-loops -m32 -march=i386 -O2 -fomit-frame-pointer`	20190805	20190803
6142889	`ref`	`gcc -m32 -march=i386 -O -fomit-frame-pointer`	20190805	20190803
6324858	`ref`	`gcc -m32 -march=i386 -O3 -fomit-frame-pointer`	20190805	20190803
6596345	`ref`	`gcc -m32 -march=i386 -O2 -fomit-frame-pointer`	20190805	20190803
7607529	`ref`	`gcc -funroll-loops -m32 -march=barcelona -O3 -fomit-frame-pointer`	20190805	20190803
7714853	`ref`	`gcc -m32 -march=barcelona -O3 -fomit-frame-pointer`	20190805	20190803
7740024	`ref`	`gcc -funroll-loops -m32 -march=barcelona -O2 -fomit-frame-pointer`	20190805	20190803
7789153	`ref`	`gcc -funroll-loops -m32 -march=k8 -O2 -fomit-frame-pointer`	20190805	20190803
8083546	`ref`	`gcc -funroll-loops -m32 -march=k8 -O3 -fomit-frame-pointer`	20190805	20190803
8111241	`ref`	`gcc -m32 -march=k8 -O3 -fomit-frame-pointer`	20190805	20190803
8178040	`ref`	`gcc -funroll-loops -m32 -march=barcelona -Os -fomit-frame-pointer`	20190805	20190803
8231441	`ref`	`gcc -m32 -march=barcelona -Os -fomit-frame-pointer`	20190805	20190803
8247059	`ref`	`gcc -m32 -march=barcelona -O2 -fomit-frame-pointer`	20190805	20190803
8347327	`ref`	`gcc -m32 -march=k8 -O2 -fomit-frame-pointer`	20190805	20190803
8401601	`ref`	`gcc -funroll-loops -m32 -march=k8 -Os -fomit-frame-pointer`	20190805	20190803
8417721	`ref`	`gcc -m32 -march=k8 -Os -fomit-frame-pointer`	20190805	20190803
9616853	`ref`	`gcc -funroll-loops -m32 -march=pentium-m -O3 -fomit-frame-pointer`	20190805	20190803
9682912	`ref`	`gcc -funroll-loops -m32 -march=pentium-m -O2 -fomit-frame-pointer`	20190805	20190803
9692520	`ref`	`gcc -m32 -march=pentium-m -O3 -fomit-frame-pointer`	20190805	20190803
9887230	`ref`	`gcc -m32 -march=pentium-m -O2 -fomit-frame-pointer`	20190805	20190803

Compiler output

Implementation: crypto_sign/dilithium2/avx2
Compiler: gcc -funroll-loops -m32 -O2 -fomit-frame-pointer

Number of similar (compiler,implementation) pairs: 156, namely:

Compiler	Implementations
gcc -funroll-loops -m32 -O2 -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -O3 -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -O -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -Os -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -march=athlon -O2 -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -march=athlon -O3 -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -march=athlon -O -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -march=athlon -Os -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -march=barcelona -O2 -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -march=barcelona -O3 -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -march=barcelona -O -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -march=barcelona -Os -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -march=i386 -O2 -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -march=i386 -O3 -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -march=i386 -O -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -march=i386 -Os -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -march=i486 -O2 -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -march=i486 -O3 -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -march=i486 -O -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -march=i486 -Os -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -march=k6-2 -O2 -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -march=k6-2 -O3 -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -march=k6-2 -O -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -march=k6-2 -Os -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -march=k6-3 -O2 -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -march=k6-3 -O3 -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -march=k6-3 -O -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -march=k6-3 -Os -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -march=k6 -O2 -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -march=k6 -O3 -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -march=k6 -O -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -march=k6 -Os -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -march=k8 -O2 -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -march=k8 -O3 -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -march=k8 -O -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -march=k8 -Os -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -march=nocona -O2 -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -march=nocona -O3 -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -march=nocona -O -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -march=nocona -Os -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -march=pentium-m -O2 -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -march=pentium-m -O3 -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -march=pentium-m -O -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -march=pentium-m -Os -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -march=pentium-mmx -O2 -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -march=pentium-mmx -O3 -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -march=pentium-mmx -O -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -march=pentium-mmx -Os -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -march=pentium2 -O2 -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -march=pentium2 -O3 -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -march=pentium2 -O -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -march=pentium2 -Os -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -march=pentium3 -O2 -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -march=pentium3 -O3 -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -march=pentium3 -O -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -march=pentium3 -Os -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -march=pentium4 -O2 -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -march=pentium4 -O3 -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -march=pentium4 -O -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -march=pentium4 -Os -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -march=pentium -O2 -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -march=pentium -O3 -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -march=pentium -O -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -march=pentium -Os -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -march=pentiumpro -O2 -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -march=pentiumpro -O3 -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -march=pentiumpro -O -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -march=pentiumpro -Os -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -march=prescott -O2 -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -march=prescott -O3 -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -march=prescott -O -fomit-frame-pointer	avx2
gcc -funroll-loops -m32 -march=prescott -Os -fomit-frame-pointer	avx2
gcc -m32 -O2 -fomit-frame-pointer	avx2
gcc -m32 -O3 -fomit-frame-pointer	avx2
gcc -m32 -O -fomit-frame-pointer	avx2
gcc -m32 -Os -fomit-frame-pointer	avx2
gcc -m32 -march=athlon -O2 -fomit-frame-pointer	avx2
gcc -m32 -march=athlon -O3 -fomit-frame-pointer	avx2
gcc -m32 -march=athlon -O -fomit-frame-pointer	avx2
gcc -m32 -march=athlon -Os -fomit-frame-pointer	avx2
gcc -m32 -march=core2 -O2 -fomit-frame-pointer	avx2
gcc -m32 -march=core2 -O3 -fomit-frame-pointer	avx2
gcc -m32 -march=core2 -O -fomit-frame-pointer	avx2
gcc -m32 -march=core2 -Os -fomit-frame-pointer	avx2
gcc -m32 -march=core2 -msse4.1 -O2 -fomit-frame-pointer	avx2
gcc -m32 -march=core2 -msse4.1 -O3 -fomit-frame-pointer	avx2
gcc -m32 -march=core2 -msse4.1 -O -fomit-frame-pointer	avx2
gcc -m32 -march=core2 -msse4.1 -Os -fomit-frame-pointer	avx2
gcc -m32 -march=core2 -msse4 -O2 -fomit-frame-pointer	avx2
gcc -m32 -march=core2 -msse4 -O3 -fomit-frame-pointer	avx2
gcc -m32 -march=core2 -msse4 -O -fomit-frame-pointer	avx2
gcc -m32 -march=core2 -msse4 -Os -fomit-frame-pointer	avx2
gcc -m32 -march=corei7 -O2 -fomit-frame-pointer	avx2
gcc -m32 -march=corei7 -O3 -fomit-frame-pointer	avx2
gcc -m32 -march=corei7 -O -fomit-frame-pointer	avx2
gcc -m32 -march=corei7 -Os -fomit-frame-pointer	avx2
gcc -m32 -march=i386 -O2 -fomit-frame-pointer	avx2
gcc -m32 -march=i386 -O3 -fomit-frame-pointer	avx2
gcc -m32 -march=i386 -O -fomit-frame-pointer	avx2
gcc -m32 -march=i386 -Os -fomit-frame-pointer	avx2
gcc -m32 -march=i486 -O2 -fomit-frame-pointer	avx2
gcc -m32 -march=i486 -O3 -fomit-frame-pointer	avx2
gcc -m32 -march=i486 -O -fomit-frame-pointer	avx2
gcc -m32 -march=i486 -Os -fomit-frame-pointer	avx2
gcc -m32 -march=k6-2 -O2 -fomit-frame-pointer	avx2
gcc -m32 -march=k6-2 -O3 -fomit-frame-pointer	avx2
gcc -m32 -march=k6-2 -O -fomit-frame-pointer	avx2
gcc -m32 -march=k6-2 -Os -fomit-frame-pointer	avx2
gcc -m32 -march=k6-3 -O2 -fomit-frame-pointer	avx2
gcc -m32 -march=k6-3 -O3 -fomit-frame-pointer	avx2
gcc -m32 -march=k6-3 -O -fomit-frame-pointer	avx2
gcc -m32 -march=k6-3 -Os -fomit-frame-pointer	avx2
gcc -m32 -march=k6 -O2 -fomit-frame-pointer	avx2
gcc -m32 -march=k6 -O3 -fomit-frame-pointer	avx2
gcc -m32 -march=k6 -O -fomit-frame-pointer	avx2
gcc -m32 -march=k6 -Os -fomit-frame-pointer	avx2
gcc -m32 -march=k8 -O2 -fomit-frame-pointer	avx2
gcc -m32 -march=k8 -O3 -fomit-frame-pointer	avx2
gcc -m32 -march=k8 -O -fomit-frame-pointer	avx2
gcc -m32 -march=k8 -Os -fomit-frame-pointer	avx2
gcc -m32 -march=nocona -O2 -fomit-frame-pointer	avx2
gcc -m32 -march=nocona -O3 -fomit-frame-pointer	avx2
gcc -m32 -march=nocona -O -fomit-frame-pointer	avx2
gcc -m32 -march=nocona -Os -fomit-frame-pointer	avx2
gcc -m32 -march=pentium-m -O2 -fomit-frame-pointer	avx2
gcc -m32 -march=pentium-m -O3 -fomit-frame-pointer	avx2
gcc -m32 -march=pentium-m -O -fomit-frame-pointer	avx2
gcc -m32 -march=pentium-m -Os -fomit-frame-pointer	avx2
gcc -m32 -march=pentium-mmx -O2 -fomit-frame-pointer	avx2
gcc -m32 -march=pentium-mmx -O3 -fomit-frame-pointer	avx2
gcc -m32 -march=pentium-mmx -O -fomit-frame-pointer	avx2
gcc -m32 -march=pentium-mmx -Os -fomit-frame-pointer	avx2
gcc -m32 -march=pentium2 -O2 -fomit-frame-pointer	avx2
gcc -m32 -march=pentium2 -O3 -fomit-frame-pointer	avx2
gcc -m32 -march=pentium2 -O -fomit-frame-pointer	avx2
gcc -m32 -march=pentium2 -Os -fomit-frame-pointer	avx2
gcc -m32 -march=pentium3 -O2 -fomit-frame-pointer	avx2
gcc -m32 -march=pentium3 -O3 -fomit-frame-pointer	avx2
gcc -m32 -march=pentium3 -O -fomit-frame-pointer	avx2
gcc -m32 -march=pentium3 -Os -fomit-frame-pointer	avx2
gcc -m32 -march=pentium4 -O2 -fomit-frame-pointer	avx2
gcc -m32 -march=pentium4 -O3 -fomit-frame-pointer	avx2
gcc -m32 -march=pentium4 -O -fomit-frame-pointer	avx2
gcc -m32 -march=pentium4 -Os -fomit-frame-pointer	avx2
gcc -m32 -march=pentium -O2 -fomit-frame-pointer	avx2
gcc -m32 -march=pentium -O3 -fomit-frame-pointer	avx2
gcc -m32 -march=pentium -O -fomit-frame-pointer	avx2
gcc -m32 -march=pentium -Os -fomit-frame-pointer	avx2
gcc -m32 -march=pentiumpro -O2 -fomit-frame-pointer	avx2
gcc -m32 -march=pentiumpro -O3 -fomit-frame-pointer	avx2
gcc -m32 -march=pentiumpro -O -fomit-frame-pointer	avx2
gcc -m32 -march=pentiumpro -Os -fomit-frame-pointer	avx2
gcc -m32 -march=prescott -O2 -fomit-frame-pointer	avx2
gcc -m32 -march=prescott -O3 -fomit-frame-pointer	avx2
gcc -m32 -march=prescott -O -fomit-frame-pointer	avx2
gcc -m32 -march=prescott -Os -fomit-frame-pointer	avx2

Compiler output

Implementation: crypto_sign/dilithium2/avx2
Compiler: gcc -m32 -march=barcelona -O2 -fomit-frame-pointer

KeccakP-1600-times4-SIMD256.c: KeccakP-1600-times4-SIMD256.c: In function 'KeccakP1600times4_AddLanesAll':
KeccakP-1600-times4-SIMD256.c: KeccakP-1600-times4-SIMD256.c:135:40: warning: AVX vector return without AVX enabled changes the ABI [-Wpsabi]
KeccakP-1600-times4-SIMD256.c: #define Xor_In4( argIndex ) lanes0 = LOAD256u( curData0[argIndex]),\
KeccakP-1600-times4-SIMD256.c: ^
KeccakP-1600-times4-SIMD256.c: KeccakP-1600-times4-SIMD256.c:146:9: note: in expansion of macro 'Xor_In4'
KeccakP-1600-times4-SIMD256.c: Xor_In4( 0 );
KeccakP-1600-times4-SIMD256.c: ^~~~~~~
KeccakP-1600-times4-SIMD256.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/7/include/immintrin.h:43:0,
KeccakP-1600-times4-SIMD256.c: from KeccakP-1600-times4-SIMD256.c:21:
KeccakP-1600-times4-SIMD256.c: /usr/lib/gcc/x86_64-linux-gnu/7/include/avx2intrin.h:913:1: error: inlining failed in call to always_inline '_mm256_xor_si256': target specific option mismatch
KeccakP-1600-times4-SIMD256.c: _mm256_xor_si256 (__m256i __A, __m256i __B)
KeccakP-1600-times4-SIMD256.c: ^~~~~~~~~~~~~~~~
KeccakP-1600-times4-SIMD256.c: KeccakP-1600-times4-SIMD256.c:55:41: note: called from here
KeccakP-1600-times4-SIMD256.c: #define XOReq256(a, b) a = _mm256_xor_si256(a, b)
KeccakP-1600-times4-SIMD256.c: ^~~~~~~~~~~~~~~~~~~~~~
KeccakP-1600-times4-SIMD256.c: KeccakP-1600-times4-SIMD256.c:143:33: note: in expansion of macro 'XOReq256'
KeccakP-1600-times4-SIMD256.c: XOReq256( stateAsLanes[argIndex+3], lanes3 )
KeccakP-1600-times4-SIMD256.c: ^~~~~~~~
KeccakP-1600-times4-SIMD256.c: KeccakP-1600-times4-SIMD256.c:149:9: note: in expansion of macro 'Xor_In4'
KeccakP-1600-times4-SIMD256.c: Xor_In4( 12 );
KeccakP-1600-times4-SIMD256.c: ^~~~~~~
KeccakP-1600-times4-SIMD256.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/7/include/immintrin.h:43:0,
KeccakP-1600-times4-SIMD256.c: from KeccakP-1600-times4-SIMD256.c:21:
KeccakP-1600-times4-SIMD256.c: /usr/lib/gcc/x86_64-linux-gnu/7/include/avx2intrin.h:913:1: error: inlining failed in call to always_inline '_mm256_xor_si256': target specific option mismatch
KeccakP-1600-times4-SIMD256.c: _mm256_xor_si256 (__m256i __A, __m256i __B)
KeccakP-1600-times4-SIMD256.c: ...
KeccakP-1600-times4-SIMD256.c: KeccakP-1600-times4-SIMD256.c: In function 'KeccakP1600times4_AddLanesAll':
KeccakP-1600-times4-SIMD256.c: KeccakP-1600-times4-SIMD256.c:135:40: warning: AVX vector return without AVX enabled changes the ABI [-Wpsabi]
KeccakP-1600-times4-SIMD256.c: #define Xor_In4( argIndex ) lanes0 = LOAD256u( curData0[argIndex]),\
KeccakP-1600-times4-SIMD256.c: ^
KeccakP-1600-times4-SIMD256.c: KeccakP-1600-times4-SIMD256.c:146:9: note: in expansion of macro 'Xor_In4'
KeccakP-1600-times4-SIMD256.c: Xor_In4( 0 );
KeccakP-1600-times4-SIMD256.c: ^~~~~~~
KeccakP-1600-times4-SIMD256.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/7/include/immintrin.h:43:0,
KeccakP-1600-times4-SIMD256.c: from KeccakP-1600-times4-SIMD256.c:21:
KeccakP-1600-times4-SIMD256.c: /usr/lib/gcc/x86_64-linux-gnu/7/include/avx2intrin.h:913:1: error: inlining failed in call to always_inline '_mm256_xor_si256': target specific option mismatch
KeccakP-1600-times4-SIMD256.c: _mm256_xor_si256 (__m256i __A, __m256i __B)
KeccakP-1600-times4-SIMD256.c: ^~~~~~~~~~~~~~~~
KeccakP-1600-times4-SIMD256.c: KeccakP-1600-times4-SIMD256.c:55:41: note: called from here
KeccakP-1600-times4-SIMD256.c: #define XOReq256(a, b) a = _mm256_xor_si256(a, b)
KeccakP-1600-times4-SIMD256.c: ^~~~~~~~~~~~~~~~~~~~~~
KeccakP-1600-times4-SIMD256.c: KeccakP-1600-times4-SIMD256.c:143:33: note: in expansion of macro 'XOReq256'
KeccakP-1600-times4-SIMD256.c: XOReq256( stateAsLanes[argIndex+3], lanes3 )
KeccakP-1600-times4-SIMD256.c: ^~~~~~~~
KeccakP-1600-times4-SIMD256.c: KeccakP-1600-times4-SIMD256.c:149:9: note: in expansion of macro 'Xor_In4'
KeccakP-1600-times4-SIMD256.c: Xor_In4( 12 );
KeccakP-1600-times4-SIMD256.c: ^~~~~~~
KeccakP-1600-times4-SIMD256.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/7/include/immintrin.h:43:0,
KeccakP-1600-times4-SIMD256.c: from KeccakP-1600-times4-SIMD256.c:21:
KeccakP-1600-times4-SIMD256.c: /usr/lib/gcc/x86_64-linux-gnu/7/include/avx2intrin.h:913:1: error: inlining failed in call to always_inline '_mm256_xor_si256': target specific option mismatch
KeccakP-1600-times4-SIMD256.c: _mm256_xor_si256 (__m256i __A, __m256i __B)
KeccakP-1600-times4-SIMD256.c: ...

Number of similar (compiler,implementation) pairs: 4, namely:

Compiler	Implementations
gcc -m32 -march=barcelona -O2 -fomit-frame-pointer	avx2
gcc -m32 -march=barcelona -O3 -fomit-frame-pointer	avx2
gcc -m32 -march=barcelona -O -fomit-frame-pointer	avx2
gcc -m32 -march=barcelona -Os -fomit-frame-pointer	avx2

Compiler output

Implementation: crypto_sign/dilithium2/avx2
Compiler: gcc -m32 -march=core-avx-i -O2 -fomit-frame-pointer

KeccakP-1600-times4-SIMD256.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/7/include/immintrin.h:43:0,
KeccakP-1600-times4-SIMD256.c: from KeccakP-1600-times4-SIMD256.c:21:
KeccakP-1600-times4-SIMD256.c: KeccakP-1600-times4-SIMD256.c: In function 'KeccakP1600times4_AddLanesAll':
KeccakP-1600-times4-SIMD256.c: /usr/lib/gcc/x86_64-linux-gnu/7/include/avx2intrin.h:913:1: error: inlining failed in call to always_inline '_mm256_xor_si256': target specific option mismatch
KeccakP-1600-times4-SIMD256.c: _mm256_xor_si256 (__m256i __A, __m256i __B)
KeccakP-1600-times4-SIMD256.c: ^~~~~~~~~~~~~~~~
KeccakP-1600-times4-SIMD256.c: KeccakP-1600-times4-SIMD256.c:55:41: note: called from here
KeccakP-1600-times4-SIMD256.c: #define XOReq256(a, b) a = _mm256_xor_si256(a, b)
KeccakP-1600-times4-SIMD256.c: ^~~~~~~~~~~~~~~~~~~~~~
KeccakP-1600-times4-SIMD256.c: KeccakP-1600-times4-SIMD256.c:143:33: note: in expansion of macro 'XOReq256'
KeccakP-1600-times4-SIMD256.c: XOReq256( stateAsLanes[argIndex+3], lanes3 )
KeccakP-1600-times4-SIMD256.c: ^~~~~~~~
KeccakP-1600-times4-SIMD256.c: KeccakP-1600-times4-SIMD256.c:149:9: note: in expansion of macro 'Xor_In4'
KeccakP-1600-times4-SIMD256.c: Xor_In4( 12 );
KeccakP-1600-times4-SIMD256.c: ^~~~~~~
KeccakP-1600-times4-SIMD256.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/7/include/immintrin.h:43:0,
KeccakP-1600-times4-SIMD256.c: from KeccakP-1600-times4-SIMD256.c:21:
KeccakP-1600-times4-SIMD256.c: /usr/lib/gcc/x86_64-linux-gnu/7/include/avx2intrin.h:913:1: error: inlining failed in call to always_inline '_mm256_xor_si256': target specific option mismatch
KeccakP-1600-times4-SIMD256.c: _mm256_xor_si256 (__m256i __A, __m256i __B)
KeccakP-1600-times4-SIMD256.c: ^~~~~~~~~~~~~~~~
KeccakP-1600-times4-SIMD256.c: KeccakP-1600-times4-SIMD256.c:55:41: note: called from here
KeccakP-1600-times4-SIMD256.c: #define XOReq256(a, b) a = _mm256_xor_si256(a, b)
KeccakP-1600-times4-SIMD256.c: ^~~~~~~~~~~~~~~~~~~~~~
KeccakP-1600-times4-SIMD256.c: KeccakP-1600-times4-SIMD256.c:142:33: note: in expansion of macro 'XOReq256'
KeccakP-1600-times4-SIMD256.c: XOReq256( stateAsLanes[argIndex+2], lanes2 ),\
KeccakP-1600-times4-SIMD256.c: ...

Number of similar (compiler,implementation) pairs: 8, namely:

Compiler	Implementations
gcc -m32 -march=core-avx-i -O2 -fomit-frame-pointer	avx2
gcc -m32 -march=core-avx-i -O3 -fomit-frame-pointer	avx2
gcc -m32 -march=core-avx-i -O -fomit-frame-pointer	avx2
gcc -m32 -march=core-avx-i -Os -fomit-frame-pointer	avx2
gcc -m32 -march=corei7-avx -O2 -fomit-frame-pointer	avx2
gcc -m32 -march=corei7-avx -O3 -fomit-frame-pointer	avx2
gcc -m32 -march=corei7-avx -O -fomit-frame-pointer	avx2
gcc -m32 -march=corei7-avx -Os -fomit-frame-pointer	avx2

Compiler output

Implementation: crypto_sign/dilithium2/avx2
Compiler: gcc -m32 -march=core-avx2 -O2 -fomit-frame-pointer

invntt.s: invntt.s: Assembler messages:
invntt.s: invntt.s:47: Error: bad register name `%rip)'
invntt.s: invntt.s:48: Error: bad register name `%rip)'
invntt.s: invntt.s:49: Error: bad register name `%rip)'
invntt.s: invntt.s:52: Error: bad register name `%rsi)'
invntt.s: invntt.s:53: Error: bad register name `%rsi)'
invntt.s: invntt.s:54: Error: bad register name `%rsi)'
invntt.s: invntt.s:55: Error: bad register name `%rsi)'
invntt.s: invntt.s:58: Error: bad register name `%ymm8'
invntt.s: invntt.s:59: Error: bad register name `%ymm10'
invntt.s: invntt.s:59: Error: bad register name `%ymm10'
invntt.s: invntt.s:61: Error: bad register name `%ymm8'
invntt.s: invntt.s:61: Error: bad register name `%ymm8'
invntt.s: invntt.s:62: Error: bad register name `%ymm10'
invntt.s: invntt.s:62: Error: bad register name `%ymm10'
invntt.s: invntt.s:66: Error: bad register name `%ymm8'
invntt.s: invntt.s:67: Error: bad register name `%ymm10'
invntt.s: invntt.s:70: Error: bad register name `%rdx)'
invntt.s: invntt.s:71: Error: bad register name `%rdx)'
invntt.s: invntt.s:72: Error: bad register name `%ymm12'
invntt.s: invntt.s:73: Error: bad register name `%ymm13'
invntt.s: invntt.s:74: Error: bad register name `%ymm8'
invntt.s: invntt.s:76: Error: bad register name `%ymm12'
invntt.s: invntt.s:77: Error: bad register name `%ymm13'
invntt.s: invntt.s:78: Error: bad register name `%ymm9'
invntt.s: ...

Number of similar (compiler,implementation) pairs: 8, namely:

Compiler	Implementations
gcc -m32 -march=core-avx2 -O2 -fomit-frame-pointer	avx2
gcc -m32 -march=core-avx2 -O3 -fomit-frame-pointer	avx2
gcc -m32 -march=core-avx2 -O -fomit-frame-pointer	avx2
gcc -m32 -march=core-avx2 -Os -fomit-frame-pointer	avx2
gcc -m32 -march=native -mtune=native -O2 -fomit-frame-pointer	avx2
gcc -m32 -march=native -mtune=native -O3 -fomit-frame-pointer	avx2
gcc -m32 -march=native -mtune=native -O -fomit-frame-pointer	avx2
gcc -m32 -march=native -mtune=native -Os -fomit-frame-pointer	avx2