Implementation notes: x86, gpu, crypto_hash/sivrijndael256hash256v1

Computer: gpu
Architecture: x86
CPU ID: GenuineIntel-000206d7-bfebfbff
SUPERCOP version: 20190816
Operation: crypto_hash
Primitive: sivrijndael256hash256v1
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
52889617468 1184 022731 1604 1248refgcc_-funroll-loops_-m32_-march=i386_-O3_-fomit-frame-pointer2019082420190816
58432526960 1184 022651 1600 1248refgcc_-funroll-loops_-m32_-march=pentium2_-O2_-fomit-frame-pointer2019082420190816
58497768193 1184 024436 1604 1248refgcc_-funroll-loops_-m32_-march=prescott_-O3_-fomit-frame-pointer2019082420190816
60655526960 1184 022651 1600 1248refgcc_-funroll-loops_-m32_-march=pentiumpro_-O2_-fomit-frame-pointer2019082420190816
60932367204 1184 022984 1608 1248refgcc_-funroll-loops_-m32_-O2_-fomit-frame-pointer2019082420190816
60959566968 1184 023447 1600 1248refgcc_-funroll-loops_-m32_-march=pentium-m_-O2_-fomit-frame-pointer2019082420190816
61008086960 1184 022651 1600 1248refgcc_-funroll-loops_-m32_-march=pentium3_-O2_-fomit-frame-pointer2019082420190816
61715288473 1184 026131 1600 1248refgcc_-funroll-loops_-m32_-march=pentium2_-O3_-fomit-frame-pointer2019082420190816
620992816288 2368 023944 1608 1248refgcc_-m32_-march=barcelona_-O3_-fomit-frame-pointer2019082420190816
62236086852 1184 022351 1600 1248refgcc_-funroll-loops_-m32_-march=pentium4_-O2_-fomit-frame-pointer2019082420190816
62276608193 1184 024436 1604 1248refgcc_-funroll-loops_-m32_-march=nocona_-O3_-fomit-frame-pointer2019082420190816
62292207364 1184 022745 1612 1248refgcc_-m32_-march=core-avx-i_-O3_-fomit-frame-pointer2019082420190816
62348327736 1184 022833 1612 1248refgcc_-m32_-march=corei7_-O3_-fomit-frame-pointer2019082420190816
62597928441 1184 026307 1600 1248refgcc_-funroll-loops_-m32_-march=pentium3_-O3_-fomit-frame-pointer2019082420190816
62742126943 1184 022591 1600 1248refgcc_-funroll-loops_-m32_-march=k8_-O2_-fomit-frame-pointer2019082420190816
63006727761 1184 025213 1612 1248refgcc_-funroll-loops_-m32_-march=k6-3_-O3_-fomit-frame-pointer2019082420190816
63129126995 1184 022632 1604 1248refgcc_-funroll-loops_-m32_-march=athlon_-O2_-fomit-frame-pointer2019082420190816
63236407736 1184 022781 1612 1248refgcc_-m32_-march=core2_-msse4.1_-O3_-fomit-frame-pointer2019082420190816
63265846928 1184 022615 1600 1248refgcc_-funroll-loops_-m32_-march=prescott_-O2_-fomit-frame-pointer2019082420190816
63562208046 1184 023375 1600 1248refgcc_-m32_-march=pentiumpro_-O3_-fomit-frame-pointer2019082420190816
63695888299 1184 025153 1612 1248refgcc_-funroll-loops_-m32_-O3_-fomit-frame-pointer2019082420190816
63738407736 1184 022833 1612 1248refgcc_-m32_-march=core2_-msse4_-O3_-fomit-frame-pointer2019082420190816
63871167299 1184 023687 1604 1248refgcc_-funroll-loops_-m32_-march=barcelona_-O2_-fomit-frame-pointer2019082420190816
64195407364 1184 022745 1612 1248refgcc_-m32_-march=native_-mtune=native_-O3_-fomit-frame-pointer2019082420190816
64401328046 1184 023375 1600 1248refgcc_-m32_-march=pentium2_-O3_-fomit-frame-pointer2019082420190816
64401528122 1184 025285 1608 1248refgcc_-funroll-loops_-m32_-march=athlon_-O3_-fomit-frame-pointer2019082420190816
64701726928 1184 022615 1600 1248refgcc_-funroll-loops_-m32_-march=nocona_-O2_-fomit-frame-pointer2019082420190816
64725288603 1184 026780 1608 1248refgcc_-funroll-loops_-m32_-march=barcelona_-O3_-fomit-frame-pointer2019082420190816
64773567736 1184 022845 1612 1248refgcc_-m32_-march=core2_-O3_-fomit-frame-pointer2019082420190816
65208288290 1184 026056 1604 1248refgcc_-funroll-loops_-m32_-march=k8_-O3_-fomit-frame-pointer2019082420190816
65323687789 1184 022644 1604 1248refgcc_-m32_-march=prescott_-O3_-fomit-frame-pointer2019082420190816
65487128014 1184 023551 1600 1248refgcc_-m32_-march=pentium3_-O3_-fomit-frame-pointer2019082420190816
65968367761 1184 024605 1612 1248refgcc_-funroll-loops_-m32_-march=k6_-O3_-fomit-frame-pointer2019082420190816
66066287908 1184 023540 1604 1248refgcc_-m32_-march=k8_-O3_-fomit-frame-pointer2019082420190816
66092007364 1184 022745 1612 1248refgcc_-m32_-march=corei7-avx_-O3_-fomit-frame-pointer2019082420190816
66339168701 1184 026431 1600 1248refgcc_-funroll-loops_-m32_-march=pentium-m_-O3_-fomit-frame-pointer2019082420190816
66410127761 1184 025213 1612 1248refgcc_-funroll-loops_-m32_-march=k6-2_-O3_-fomit-frame-pointer2019082420190816
66414888473 1184 026131 1600 1248refgcc_-funroll-loops_-m32_-march=pentiumpro_-O3_-fomit-frame-pointer2019082420190816
66460527457 1184 023165 1612 1248refgcc_-m32_-march=k6-3_-O3_-fomit-frame-pointer2019082420190816
66762568266 1184 023983 1600 1248refgcc_-m32_-march=pentium-m_-O3_-fomit-frame-pointer2019082420190816
67374567789 1184 022644 1604 1248refgcc_-m32_-march=nocona_-O3_-fomit-frame-pointer2019082420190816
67716967724 1184 022693 1608 1248refgcc_-m32_-march=athlon_-O3_-fomit-frame-pointer2019082420190816
67789606765 1184 022556 1608 1248refgcc_-funroll-loops_-m32_-march=k6_-O2_-fomit-frame-pointer2019082420190816
68016447824 1184 022765 1612 1248refgcc_-m32_-O3_-fomit-frame-pointer2019082420190816
68675207906 1184 024060 1604 1248refgcc_-funroll-loops_-m32_-march=pentium4_-O3_-fomit-frame-pointer2019082420190816
68938326765 1184 022556 1608 1248refgcc_-funroll-loops_-m32_-march=k6-2_-O2_-fomit-frame-pointer2019082420190816
69435087559 1184 022356 1604 1248refgcc_-m32_-march=pentium4_-O3_-fomit-frame-pointer2019082420190816
70701006765 1184 022556 1608 1248refgcc_-funroll-loops_-m32_-march=k6-3_-O2_-fomit-frame-pointer2019082420190816
70854447457 1184 023165 1612 1248refgcc_-m32_-march=k6-2_-O3_-fomit-frame-pointer2019082420190816
71446047457 1184 022973 1612 1248refgcc_-m32_-march=k6_-O3_-fomit-frame-pointer2019082420190816
74068608166 1184 024627 1600 1248refgcc_-funroll-loops_-m32_-march=i486_-O3_-fomit-frame-pointer2019082420190816
75393156535 1184 021827 1604 1248refgcc_-funroll-loops_-m32_-march=i386_-O2_-fomit-frame-pointer2019082420190816
75483967803 1184 022847 1600 1248refgcc_-m32_-march=i486_-O3_-fomit-frame-pointer2019082420190816
75939567084 1184 020891 1604 1248refgcc_-m32_-march=i386_-O3_-fomit-frame-pointer2019082420190816
85694446957 1184 023103 1600 1248refgcc_-funroll-loops_-m32_-march=i486_-O2_-fomit-frame-pointer2019082420190816
93667887328 2368 016803 1604 1248refgcc_-m32_-march=barcelona_-O2_-fomit-frame-pointer2019082420190816
94530523642 1184 016072 1608 1248refgcc_-m32_-march=core2_-O2_-fomit-frame-pointer2019082420190816
95243203351 1184 015783 1600 1248refgcc_-m32_-march=pentiumpro_-O2_-fomit-frame-pointer2019082420190816
98610963351 1184 015783 1600 1248refgcc_-m32_-march=pentium2_-O2_-fomit-frame-pointer2019082420190816
99165163329 1184 015771 1600 1248refgcc_-m32_-march=k8_-O2_-fomit-frame-pointer2019082420190816
99315923599 1184 015976 1608 1248refgcc_-m32_-O2_-fomit-frame-pointer2019082420190816
100847563419 1184 016139 1600 1248refgcc_-m32_-march=pentium-m_-O2_-fomit-frame-pointer2019082420190816
100870003351 1184 015783 1600 1248refgcc_-m32_-march=pentium3_-O2_-fomit-frame-pointer2019082420190816
101846603642 1184 016040 1608 1248refgcc_-m32_-march=native_-mtune=native_-O2_-fomit-frame-pointer2019082420190816
101870363642 1184 016040 1608 1248refgcc_-m32_-march=core-avx-i_-O2_-fomit-frame-pointer2019082420190816
102954247641 1184 023580 1604 1248refgcc_-funroll-loops_-m32_-march=pentium_-O2_-fomit-frame-pointer2019082420190816
103360568345 1184 023792 1604 1248refgcc_-m32_-march=pentium_-O3_-fomit-frame-pointer2019082420190816
103660923642 1184 016056 1608 1248refgcc_-m32_-march=corei7_-O2_-fomit-frame-pointer2019082420190816
103745563642 1184 016056 1608 1248refgcc_-m32_-march=core2_-msse4.1_-O2_-fomit-frame-pointer2019082420190816
103809168936 1184 025916 1604 1248refgcc_-funroll-loops_-m32_-march=pentium_-O3_-fomit-frame-pointer2019082420190816
103991283363 1184 015560 1604 1248refgcc_-m32_-march=athlon_-O2_-fomit-frame-pointer2019082420190816
104242963595 1184 016284 1608 1248refgcc_-m32_-march=k6-3_-O2_-fomit-frame-pointer2019082420190816
104792763642 1184 016040 1608 1248refgcc_-m32_-march=corei7-avx_-O2_-fomit-frame-pointer2019082420190816
104825763642 1184 016056 1608 1248refgcc_-m32_-march=core2_-msse4_-O2_-fomit-frame-pointer2019082420190816
105135965600 1184 021499 1600 1248refgcc_-funroll-loops_-m32_-march=pentium2_-O_-fomit-frame-pointer2019082420190816
105471728345 1184 023792 1604 1248refgcc_-m32_-march=pentium-mmx_-O3_-fomit-frame-pointer2019082420190816
106167608936 1184 025916 1604 1248refgcc_-funroll-loops_-m32_-march=pentium-mmx_-O3_-fomit-frame-pointer2019082420190816
106679683205 1184 015279 1600 1248refgcc_-m32_-march=prescott_-O2_-fomit-frame-pointer2019082420190816
107325167641 1184 023580 1604 1248refgcc_-funroll-loops_-m32_-march=pentium-mmx_-O2_-fomit-frame-pointer2019082420190816
108508923205 1184 015279 1600 1248refgcc_-m32_-march=nocona_-O2_-fomit-frame-pointer2019082420190816
108784643595 1184 016284 1608 1248refgcc_-m32_-march=k6_-O2_-fomit-frame-pointer2019082420190816
108906483595 1184 016284 1608 1248refgcc_-m32_-march=k6-2_-O2_-fomit-frame-pointer2019082420190816
112077605424 1184 021180 1608 1248refgcc_-funroll-loops_-m32_-march=k6-2_-O_-fomit-frame-pointer2019082420190816
113135325600 1184 021499 1600 1248refgcc_-funroll-loops_-m32_-march=pentiumpro_-O_-fomit-frame-pointer2019082420190816
114335845607 1184 021635 1600 1248refgcc_-funroll-loops_-m32_-march=pentium-m_-O_-fomit-frame-pointer2019082420190816
115972205920 1184 021939 1604 1248refgcc_-funroll-loops_-m32_-march=barcelona_-O_-fomit-frame-pointer2019082420190816
117344163320 1184 015387 1600 1248refgcc_-m32_-march=pentium4_-O2_-fomit-frame-pointer2019082420190816
117523245652 1184 021727 1600 1248refgcc_-funroll-loops_-m32_-march=prescott_-O_-fomit-frame-pointer2019082420190816
119119803528 1184 016195 1600 1248refgcc_-m32_-march=i486_-O2_-fomit-frame-pointer2019082420190816
119236765652 1184 021727 1600 1248refgcc_-funroll-loops_-m32_-march=nocona_-O_-fomit-frame-pointer2019082420190816
120079725884 1184 021584 1608 1248refgcc_-funroll-loops_-m32_-O_-fomit-frame-pointer2019082420190816
121700885600 1184 021499 1600 1248refgcc_-funroll-loops_-m32_-march=pentium3_-O_-fomit-frame-pointer2019082420190816
122679365661 1184 021703 1600 1248refgcc_-funroll-loops_-m32_-march=pentium4_-O_-fomit-frame-pointer2019082420190816
123552365424 1184 021180 1608 1248refgcc_-funroll-loops_-m32_-march=k6_-O_-fomit-frame-pointer2019082420190816
123565805680 1184 021639 1600 1248refgcc_-funroll-loops_-m32_-march=k8_-O_-fomit-frame-pointer2019082420190816
126011485424 1184 021180 1608 1248refgcc_-funroll-loops_-m32_-march=k6-3_-O_-fomit-frame-pointer2019082420190816
127619803295 1184 015211 1604 1248refgcc_-m32_-march=i386_-O2_-fomit-frame-pointer2019082420190816
131768855440 1184 020963 1604 1248refgcc_-funroll-loops_-m32_-march=i386_-O_-fomit-frame-pointer2019082420190816
136124615631 1184 021479 1604 1248refgcc_-funroll-loops_-m32_-march=i486_-O_-fomit-frame-pointer2019082420190816
139176403567 1184 015956 1604 1248refgcc_-m32_-march=pentium-mmx_-O2_-fomit-frame-pointer2019082420190816
141099803567 1184 015956 1604 1248refgcc_-m32_-march=pentium_-O2_-fomit-frame-pointer2019082420190816
153650363256 1184 015472 1608 1248refgcc_-m32_-march=k6_-O_-fomit-frame-pointer2019082420190816
154486365643 1184 021380 1608 1248refgcc_-funroll-loops_-m32_-march=pentium-mmx_-O_-fomit-frame-pointer2019082420190816
154920212801 1184 013983 1596 1248refgcc_-funroll-loops_-m32_-march=i386_-Os_-fomit-frame-pointer2019082420190816
155865845726 1184 021404 1604 1248refgcc_-funroll-loops_-m32_-march=athlon_-O_-fomit-frame-pointer2019082420190816
156715203070 1184 015167 1600 1248refgcc_-m32_-march=pentium3_-O_-fomit-frame-pointer2019082420190816
157492862800 1184 013983 1596 1248refgcc_-funroll-loops_-m32_-march=i486_-Os_-fomit-frame-pointer2019082420190816
158012723256 1184 015472 1608 1248refgcc_-m32_-march=k6-2_-O_-fomit-frame-pointer2019082420190816
159519922739 1184 013875 1596 1248refgcc_-funroll-loops_-m32_-march=pentium2_-Os_-fomit-frame-pointer2019082420190816
161179965643 1184 021380 1608 1248refgcc_-funroll-loops_-m32_-march=pentium_-O_-fomit-frame-pointer2019082420190816
162194083256 1184 015472 1608 1248refgcc_-m32_-march=k6-3_-O_-fomit-frame-pointer2019082420190816
162804203233 1184 015387 1600 1248refgcc_-m32_-march=nocona_-O_-fomit-frame-pointer2019082420190816
163077083070 1184 015167 1600 1248refgcc_-m32_-march=pentiumpro_-O_-fomit-frame-pointer2019082420190816
163395723233 1184 015387 1600 1248refgcc_-m32_-march=prescott_-O_-fomit-frame-pointer2019082420190816
163920123075 1184 015223 1600 1248refgcc_-m32_-march=pentium-m_-O_-fomit-frame-pointer2019082420190816
163934682800 1184 014027 1596 1248refgcc_-funroll-loops_-m32_-march=k8_-Os_-fomit-frame-pointer2019082420190816
164445363087 1184 015159 1600 1248refgcc_-m32_-march=k8_-O_-fomit-frame-pointer2019082420190816
164836003070 1184 015167 1600 1248refgcc_-m32_-march=pentium2_-O_-fomit-frame-pointer2019082420190816
165037322806 1184 014043 1596 1248refgcc_-m32_-march=core2_-Os_-fomit-frame-pointer2019082420190816
165192042806 1184 014027 1596 1248refgcc_-m32_-march=core-avx-i_-Os_-fomit-frame-pointer2019082420190816
165258962743 1184 013919 1596 1248refgcc_-funroll-loops_-m32_-march=pentium-m_-Os_-fomit-frame-pointer2019082420190816
165677605612 2368 014043 1596 1248refgcc_-m32_-march=barcelona_-Os_-fomit-frame-pointer2019082420190816
165935683185 1184 015043 1604 1248refgcc_-m32_-march=i386_-O_-fomit-frame-pointer2019082420190816
166544562743 1184 013891 1596 1248refgcc_-m32_-march=pentium2_-Os_-fomit-frame-pointer2019082420190816
166990082915 1184 014195 1596 1248refgcc_-funroll-loops_-m32_-march=k6-2_-Os_-fomit-frame-pointer2019082420190816
167377602806 1184 014027 1596 1248refgcc_-m32_-march=native_-mtune=native_-Os_-fomit-frame-pointer2019082420190816
167993483342 1184 015468 1608 1248refgcc_-m32_-march=core2_-O_-fomit-frame-pointer2019082420190816
168229362919 1184 014211 1596 1248refgcc_-m32_-march=k6_-Os_-fomit-frame-pointer2019082420190816
169956442799 1184 014011 1596 1248refgcc_-funroll-loops_-m32_-march=pentium4_-Os_-fomit-frame-pointer2019082420190816
169978002805 1184 014027 1596 1248refgcc_-funroll-loops_-m32_-march=prescott_-Os_-fomit-frame-pointer2019082420190816
170150042800 1184 014027 1596 1248refgcc_-funroll-loops_-m32_-march=barcelona_-Os_-fomit-frame-pointer2019082420190816
170161842804 1184 014015 1596 1248refgcc_-m32_-march=i486_-Os_-fomit-frame-pointer2019082420190816
170172042739 1184 013875 1596 1248refgcc_-funroll-loops_-m32_-march=pentium3_-Os_-fomit-frame-pointer2019082420190816
170441602739 1184 013875 1596 1248refgcc_-funroll-loops_-m32_-march=pentiumpro_-Os_-fomit-frame-pointer2019082420190816
170469882919 1184 014211 1596 1248refgcc_-m32_-march=k6-3_-Os_-fomit-frame-pointer2019082420190816
170551402796 1184 013983 1596 1248refgcc_-funroll-loops_-m32_-march=athlon_-Os_-fomit-frame-pointer2019082420190816
170792162743 1184 013891 1596 1248refgcc_-m32_-march=pentium3_-Os_-fomit-frame-pointer2019082420190816
170920722805 1184 014027 1596 1248refgcc_-funroll-loops_-m32_-march=nocona_-Os_-fomit-frame-pointer2019082420190816
171370323342 1184 015468 1608 1248refgcc_-m32_-march=core-avx-i_-O_-fomit-frame-pointer2019082420190816
171754882747 1184 013935 1596 1248refgcc_-m32_-march=pentium-m_-Os_-fomit-frame-pointer2019082420190816
172018842805 1184 014043 1596 1248refgcc_-m32_-march=pentium4_-Os_-fomit-frame-pointer2019082420190816
172146926592 2368 015503 1604 1248refgcc_-m32_-march=barcelona_-O_-fomit-frame-pointer2019082420190816
173093402915 1184 014195 1596 1248refgcc_-funroll-loops_-m32_-march=k6-3_-Os_-fomit-frame-pointer2019082420190816
173518523342 1184 015468 1608 1248refgcc_-m32_-march=corei7_-O_-fomit-frame-pointer2019082420190816
174086522809 1184 014043 1596 1248refgcc_-m32_-march=prescott_-Os_-fomit-frame-pointer2019082420190816
174270602802 1184 014015 1596 1248refgcc_-m32_-march=athlon_-Os_-fomit-frame-pointer2019082420190816
174839442802 1184 014015 1596 1248refgcc_-m32_-Os_-fomit-frame-pointer2019082420190816
174916842801 1184 014015 1596 1248refgcc_-m32_-march=pentium_-Os_-fomit-frame-pointer2019082420190816
174991922795 1184 013983 1596 1248refgcc_-funroll-loops_-m32_-march=pentium-mmx_-Os_-fomit-frame-pointer2019082420190816
175162522743 1184 013891 1596 1248refgcc_-m32_-march=pentiumpro_-Os_-fomit-frame-pointer2019082420190816
175291882805 1184 014015 1596 1248refgcc_-m32_-march=i386_-Os_-fomit-frame-pointer2019082420190816
175885283342 1184 015468 1608 1248refgcc_-m32_-march=core2_-msse4.1_-O_-fomit-frame-pointer2019082420190816
176003602796 1184 013983 1596 1248refgcc_-funroll-loops_-m32_-Os_-fomit-frame-pointer2019082420190816
176044242801 1184 014015 1596 1248refgcc_-m32_-march=pentium-mmx_-Os_-fomit-frame-pointer2019082420190816
176230242795 1184 013983 1596 1248refgcc_-funroll-loops_-m32_-march=pentium_-Os_-fomit-frame-pointer2019082420190816
176735762806 1184 014043 1596 1248refgcc_-m32_-march=k8_-Os_-fomit-frame-pointer2019082420190816
176866482806 1184 014027 1596 1248refgcc_-m32_-march=corei7-avx_-Os_-fomit-frame-pointer2019082420190816
176876962809 1184 014043 1596 1248refgcc_-m32_-march=nocona_-Os_-fomit-frame-pointer2019082420190816
177321762806 1184 014027 1596 1248refgcc_-m32_-march=core2_-msse4.1_-Os_-fomit-frame-pointer2019082420190816
177374683342 1184 015412 1608 1248refgcc_-m32_-O_-fomit-frame-pointer2019082420190816
177495123304 1184 015463 1604 1248refgcc_-m32_-march=i486_-O_-fomit-frame-pointer2019082420190816
177503002806 1184 014027 1596 1248refgcc_-m32_-march=core2_-msse4_-Os_-fomit-frame-pointer2019082420190816
178230883342 1184 015468 1608 1248refgcc_-m32_-march=corei7-avx_-O_-fomit-frame-pointer2019082420190816
178278603342 1184 015468 1608 1248refgcc_-m32_-march=core2_-msse4_-O_-fomit-frame-pointer2019082420190816
178733202915 1184 014195 1596 1248refgcc_-funroll-loops_-m32_-march=k6_-Os_-fomit-frame-pointer2019082420190816
179094922919 1184 014211 1596 1248refgcc_-m32_-march=k6-2_-Os_-fomit-frame-pointer2019082420190816
180226123201 1184 015387 1600 1248refgcc_-m32_-march=pentium4_-O_-fomit-frame-pointer2019082420190816
180652523342 1184 015468 1608 1248refgcc_-m32_-march=native_-mtune=native_-O_-fomit-frame-pointer2019082420190816
182402722806 1184 014027 1596 1248refgcc_-m32_-march=corei7_-Os_-fomit-frame-pointer2019082420190816
196048043144 1184 015048 1604 1248refgcc_-m32_-march=athlon_-O_-fomit-frame-pointer2019082420190816
199253763277 1184 015364 1608 1248refgcc_-m32_-march=pentium_-O_-fomit-frame-pointer2019082420190816
202002483277 1184 015364 1608 1248refgcc_-m32_-march=pentium-mmx_-O_-fomit-frame-pointer2019082420190816

Test failure

Implementation: ref
Security model: unknown
Compiler: gcc -m32 -march=core-avx2 -O2 -fomit-frame-pointer
error 111

Number of similar (compiler,implementation) pairs: 3, namely:
CompilerImplementations
gcc -m32 -march=core-avx2 -O2 -fomit-frame-pointer ref
gcc -m32 -march=core-avx2 -O -fomit-frame-pointer ref
gcc -m32 -march=core-avx2 -Os -fomit-frame-pointer ref