From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-oo1-xc35.google.com (mail-oo1-xc35.google.com [IPv6:2607:f8b0:4864:20::c35]) by sourceware.org (Postfix) with ESMTPS id E3B233858004 for ; Sat, 3 Apr 2021 17:46:15 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org E3B233858004 Received: by mail-oo1-xc35.google.com with SMTP id q127-20020a4a33850000b02901b646aa81b1so1973692ooq.8 for ; Sat, 03 Apr 2021 10:46:15 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=WBREAEkF69tfhXfGMISSJledCdX166Soqc87L9+B8rI=; b=HpqNaM9BOt0HXaxF7r7XFcWLbvsnMDabavjfKtqniqXSSU8Ij/3Ope962I6MSo2QaO /khCLiLsE2VhLKvrvWGDLmmAy2gudCchqKhoJyTypdYqvKPqhQbB3Vf3ALrOthdtqQyq PGZ5chiv3EismGFOGgqxaif81Fw3P6CnZf/5dljpkr5w4SVWr2e3/3nEAT7NRWWVYeim oXTOBAPwjeAtleHnDjpD91H+2z+Sec8gci3EZpPrjOrcPLg3zEO6dpEwIxwcdbVtwXDh bBpc51K+dufXk7C6YniPXVtgzr8D5IP3X6+25Y4Uxuf9GzVpy/34Ft4f+rC4ptaGwYIv pQgQ== X-Gm-Message-State: AOAM533cFdrUABijIwK9laUiBn1WtaIhvdCzGAzLulhTb9BXKYvyE9dl bTwQ4lEMybz6ZW9wOo+lOOUIrh+4xVRui4AyFxCVk3ECOz8= X-Google-Smtp-Source: ABdhPJz7luBPSQBc9gTKhVf0MF6lb5VERGjMsAw1/2KphrgDx6a8zLl8MHWxw7Rh5/iNxcudx2Bd5HHYEfc1wPlIk38= X-Received: by 2002:a4a:1104:: with SMTP id 4mr16336014ooc.57.1617471975159; Sat, 03 Apr 2021 10:46:15 -0700 (PDT) MIME-Version: 1.0 References: <20210403081215.2309505-1-goldstein.w.n@gmail.com> In-Reply-To: <20210403081215.2309505-1-goldstein.w.n@gmail.com> From: "H.J. Lu" Date: Sat, 3 Apr 2021 10:45:38 -0700 Message-ID: Subject: Re: [PATCH v8 1/2] x86: Update large memcpy case in memmove-vec-unaligned-erms.S To: Noah Goldstein Cc: GNU C Library , "Carlos O'Donell" Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=-3029.3 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_FROM, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on server2.sourceware.org X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 03 Apr 2021 17:46:18 -0000 On Sat, Apr 3, 2021 at 1:12 AM Noah Goldstein wrote: > > From: noah > > No Bug. This commit updates the large memcpy case (no overlap). The > update is to perform memcpy on either 2 or 4 contiguous pages at > once. This 1) helps to alleviate the affects of false memory aliasing > when destination and source have a close 4k alignment and 2) In most > cases and for most DRAM units is a modestly more efficient access > pattern. These changes are a clear performance improvement for > VEC_SIZE =16/32, though more ambiguous for VEC_SIZE=64. test-memcpy, > test-memccpy, test-mempcpy, test-memmove, and tst-memmove-overflow all > pass. > > Signed-off-by: Noah Goldstein > --- > Issue was alignment related AFAICT. Added `.p2align 4` infront of the > loops and no longer see any meaningful regression. > > Also added back the temporal stores for the tail. Saw a regression > when doing these tests. > > Two tables below for skylake and icelake numbers for the areas around > where you saw the regression. Below is all data from the tests. > > N = 10. > > Skylake > Len ,align1 ,align2 ,new mean ,old mean > 4103 ,0 ,64 ,84.5 ,88.6 > 4111 ,0 ,3 ,99.0 ,99.9 > 4127 ,3 ,0 ,102.1 ,102.3 > 4159 ,3 ,7 ,88.7 ,90.9 > 4223 ,9 ,5 ,88.1 ,87.4 > 8199 ,0 ,64 ,146.7 ,150.2 > 8207 ,0 ,3 ,167.9 ,168.5 > 8223 ,3 ,0 ,168.5 ,168.1 > 8255 ,3 ,7 ,157.0 ,159.2 > 8319 ,9 ,5 ,155.5 ,155.7 > 16391 ,0 ,64 ,286.2 ,288.8 > 16399 ,0 ,3 ,307.0 ,308.7 > 16415 ,3 ,0 ,307.4 ,307.6 > 16447 ,3 ,7 ,294.6 ,295.5 > 16511 ,9 ,5 ,291.5 ,462.1 > 32775 ,0 ,64 ,603.4 ,601.5 > 32783 ,0 ,3 ,604.8 ,606.4 > 32799 ,3 ,0 ,603.0 ,604.1 > 32831 ,3 ,7 ,600.2 ,737.3 > 32895 ,9 ,5 ,604.4 ,599.5 > 65543 ,0 ,64 ,1873.5 ,1854.3 > 65551 ,0 ,3 ,1862.9 ,1846.6 > 65567 ,3 ,0 ,1885.5 ,1966.0 > 65599 ,3 ,7 ,1833.2 ,1833.1 > 65663 ,9 ,5 ,1884.9 ,1887.4 > 131079 ,0 ,64 ,3944.3 ,3949.4 > 131087 ,0 ,3 ,3927.3 ,3913.3 > 131103 ,3 ,0 ,4415.8 ,4169.4 > 131135 ,3 ,7 ,4224.5 ,4157.6 > 131199 ,9 ,5 ,5974.0 ,4983.8 > 262151 ,0 ,64 ,11050.2 ,10620.6 > 262159 ,0 ,3 ,9932.8 ,10037.3 > 262175 ,3 ,0 ,10188.8 ,9206.6 > 262207 ,3 ,7 ,9633.3 ,9216.7 > 262271 ,9 ,5 ,9732.7 ,9345.3 > 524295 ,0 ,64 ,24823.9 ,24880.7 > 524303 ,0 ,3 ,24514.0 ,24556.7 > 524319 ,3 ,0 ,23974.4 ,24219.9 > 524351 ,3 ,7 ,24159.7 ,24207.0 > 524415 ,9 ,5 ,23946.5 ,24142.8 > > Icelake: > Len ,align1 ,align2 ,new mean ,old mean > 4103 ,0 ,64 ,50.2 ,63.7 > 4111 ,0 ,3 ,63.7 ,65.1 > 4127 ,3 ,0 ,68.2 ,69.4 > 4159 ,3 ,7 ,59.6 ,68.0 > 4223 ,9 ,5 ,68.2 ,66.8 > 8199 ,0 ,64 ,92.1 ,89.9 > 8207 ,0 ,3 ,119.7 ,118.3 > 8223 ,3 ,0 ,119.1 ,120.9 > 8255 ,3 ,7 ,122.9 ,123.7 > 8319 ,9 ,5 ,122.1 ,121.8 > 16391 ,0 ,64 ,162.7 ,158.0 > 16399 ,0 ,3 ,227.6 ,234.1 > 16415 ,3 ,0 ,230.8 ,232.7 > 16447 ,3 ,7 ,226.8 ,232.6 > 16511 ,9 ,5 ,233.4 ,233.8 > 32775 ,0 ,64 ,312.2 ,301.8 > 32783 ,0 ,3 ,449.7 ,450.0 > 32799 ,3 ,0 ,452.7 ,455.9 > 32831 ,3 ,7 ,449.8 ,458.0 > 32895 ,9 ,5 ,456.3 ,459.4 > 65543 ,0 ,64 ,1460.6 ,1463.9 > 65551 ,0 ,3 ,1462.0 ,1465.4 > 65567 ,3 ,0 ,1466.6 ,1480.4 > 65599 ,3 ,7 ,1488.0 ,1488.9 > 65663 ,9 ,5 ,1680.8 ,1499.5 > 131079 ,0 ,64 ,2988.5 ,3010.1 > 131087 ,0 ,3 ,2995.5 ,2996.4 > 131103 ,3 ,0 ,3006.2 ,3000.5 > 131135 ,3 ,7 ,3032.4 ,3073.7 > 131199 ,9 ,5 ,3010.4 ,3027.4 > 262151 ,0 ,64 ,6143.2 ,6079.1 > 262159 ,0 ,3 ,6085.1 ,6075.8 > 262175 ,3 ,0 ,6088.0 ,6064.9 > 262207 ,3 ,7 ,6018.7 ,6023.5 > 262271 ,9 ,5 ,6019.8 ,5959.2 > 524295 ,0 ,64 ,14464.2 ,14095.1 > 524303 ,0 ,3 ,14761.6 ,14050.2 > 524319 ,3 ,0 ,14534.1 ,14087.5 > 524351 ,3 ,7 ,14147.7 ,13903.8 > 524415 ,9 ,5 ,14157.0 ,13982.9 > > > > cpu ,version ,Len ,align1 ,align2 ,new mean ,old mean > skylake ,avx ,4103 ,0 ,64 ,84.5 ,88.6 > skylake ,avx ,4111 ,0 ,3 ,99.0 ,99.9 > skylake ,avx ,4127 ,3 ,0 ,102.1 ,102.3 > skylake ,avx ,4159 ,3 ,7 ,88.7 ,90.9 > skylake ,avx ,4223 ,9 ,5 ,88.1 ,87.4 > skylake ,avx ,8199 ,0 ,64 ,146.7 ,150.2 > skylake ,avx ,8207 ,0 ,3 ,167.9 ,168.5 > skylake ,avx ,8223 ,3 ,0 ,168.5 ,168.1 > skylake ,avx ,8255 ,3 ,7 ,157.0 ,159.2 > skylake ,avx ,8319 ,9 ,5 ,155.5 ,155.7 > skylake ,avx ,16391 ,0 ,64 ,286.2 ,288.8 > skylake ,avx ,16399 ,0 ,3 ,307.0 ,308.7 > skylake ,avx ,16415 ,3 ,0 ,307.4 ,307.6 > skylake ,avx ,16447 ,3 ,7 ,294.6 ,295.5 > skylake ,avx ,16511 ,9 ,5 ,291.5 ,462.1 > skylake ,avx ,32775 ,0 ,64 ,603.4 ,601.5 > skylake ,avx ,32783 ,0 ,3 ,604.8 ,606.4 > skylake ,avx ,32799 ,3 ,0 ,603.0 ,604.1 > skylake ,avx ,32831 ,3 ,7 ,600.2 ,737.3 > skylake ,avx ,32895 ,9 ,5 ,604.4 ,599.5 > skylake ,avx ,65543 ,0 ,64 ,1873.5 ,1854.3 > skylake ,avx ,65551 ,0 ,3 ,1862.9 ,1846.6 > skylake ,avx ,65567 ,3 ,0 ,1885.5 ,1966.0 > skylake ,avx ,65599 ,3 ,7 ,1833.2 ,1833.1 > skylake ,avx ,65663 ,9 ,5 ,1884.9 ,1887.4 > skylake ,avx ,131079 ,0 ,64 ,3944.3 ,3949.4 > skylake ,avx ,131087 ,0 ,3 ,3927.3 ,3913.3 > skylake ,avx ,131103 ,3 ,0 ,4415.8 ,4169.4 > skylake ,avx ,131135 ,3 ,7 ,4224.5 ,4157.6 > skylake ,avx ,131199 ,9 ,5 ,5974.0 ,4983.8 > skylake ,avx ,262151 ,0 ,64 ,11050.2 ,10620.6 > skylake ,avx ,262159 ,0 ,3 ,9932.8 ,10037.3 > skylake ,avx ,262175 ,3 ,0 ,10188.8 ,9206.6 > skylake ,avx ,262207 ,3 ,7 ,9633.3 ,9216.7 > skylake ,avx ,262271 ,9 ,5 ,9732.7 ,9345.3 > skylake ,avx ,524295 ,0 ,64 ,24823.9 ,24880.7 > skylake ,avx ,524303 ,0 ,3 ,24514.0 ,24556.7 > skylake ,avx ,524319 ,3 ,0 ,23974.4 ,24219.9 > skylake ,avx ,524351 ,3 ,7 ,24159.7 ,24207.0 > skylake ,avx ,524415 ,9 ,5 ,23946.5 ,24142.8 > skylake ,avx ,1048583 ,0 ,64 ,49163.9 ,49454.6 > skylake ,avx ,1048591 ,0 ,3 ,49879.3 ,49400.8 > skylake ,avx ,1048607 ,3 ,0 ,49738.0 ,48864.6 > skylake ,avx ,1048639 ,3 ,7 ,48804.0 ,47588.5 > skylake ,avx ,1048703 ,9 ,5 ,49629.4 ,49796.3 > skylake ,avx ,2097159 ,0 ,64 ,98271.7 ,96330.6 > skylake ,avx ,2097167 ,0 ,3 ,97801.8 ,98638.1 > skylake ,avx ,2097183 ,3 ,0 ,98041.1 ,99287.6 > skylake ,avx ,2097215 ,3 ,7 ,96629.5 ,96521.9 > skylake ,avx ,2097279 ,9 ,5 ,98961.8 ,98909.8 > skylake ,avx ,4194311 ,0 ,64 ,194667.7 ,195377.1 > skylake ,avx ,4194319 ,0 ,3 ,194919.5 ,198576.2 > skylake ,avx ,4194335 ,3 ,0 ,192949.8 ,194584.7 > skylake ,avx ,4194367 ,3 ,7 ,189943.5 ,189177.9 > skylake ,avx ,4194431 ,9 ,5 ,192479.1 ,196494.2 > skylake ,avx ,8388615 ,0 ,64 ,588671.6 ,587215.4 > skylake ,avx ,8388623 ,0 ,3 ,581640.7 ,582812.5 > skylake ,avx ,8388639 ,3 ,0 ,549811.9 ,544697.6 > skylake ,avx ,8388671 ,3 ,7 ,591155.0 ,577951.8 > skylake ,avx ,8388735 ,9 ,5 ,547583.2 ,545133.3 > skylake ,avx ,16777223 ,0 ,64 ,1787503.0 ,1811146.0 > skylake ,avx ,16777231 ,0 ,3 ,1758671.0 ,1756343.0 > skylake ,avx ,16777247 ,3 ,0 ,1691781.0 ,1694661.0 > skylake ,avx ,16777279 ,3 ,7 ,1768150.0 ,1754785.0 > skylake ,avx ,16777343 ,9 ,5 ,1695179.0 ,1710794.0 > skylake ,sse2 ,4103 ,0 ,64 ,150.8 ,150.5 > skylake ,sse2 ,4111 ,0 ,3 ,156.8 ,158.4 > skylake ,sse2 ,4127 ,3 ,0 ,99.7 ,99.4 > skylake ,sse2 ,4159 ,3 ,7 ,154.8 ,154.5 > skylake ,sse2 ,4223 ,9 ,5 ,137.3 ,137.2 > skylake ,sse2 ,8199 ,0 ,64 ,284.8 ,285.5 > skylake ,sse2 ,8207 ,0 ,3 ,296.0 ,296.1 > skylake ,sse2 ,8223 ,3 ,0 ,168.0 ,168.2 > skylake ,sse2 ,8255 ,3 ,7 ,293.0 ,292.4 > skylake ,sse2 ,8319 ,9 ,5 ,251.3 ,250.7 > skylake ,sse2 ,16391 ,0 ,64 ,561.3 ,608.3 > skylake ,sse2 ,16399 ,0 ,3 ,571.0 ,574.8 > skylake ,sse2 ,16415 ,3 ,0 ,305.4 ,305.0 > skylake ,sse2 ,16447 ,3 ,7 ,563.2 ,565.0 > skylake ,sse2 ,16511 ,9 ,5 ,477.1 ,475.1 > skylake ,sse2 ,32775 ,0 ,64 ,1128.2 ,1131.7 > skylake ,sse2 ,32783 ,0 ,3 ,1126.6 ,1131.0 > skylake ,sse2 ,32799 ,3 ,0 ,587.6 ,590.8 > skylake ,sse2 ,32831 ,3 ,7 ,1130.6 ,1126.2 > skylake ,sse2 ,32895 ,9 ,5 ,957.6 ,953.0 > skylake ,sse2 ,65543 ,0 ,64 ,2718.9 ,2704.2 > skylake ,sse2 ,65551 ,0 ,3 ,2724.1 ,2725.0 > skylake ,sse2 ,65567 ,3 ,0 ,1888.4 ,1914.3 > skylake ,sse2 ,65599 ,3 ,7 ,2787.6 ,2748.7 > skylake ,sse2 ,65663 ,9 ,5 ,2400.5 ,2369.4 > skylake ,sse2 ,131079 ,0 ,64 ,5603.3 ,5654.9 > skylake ,sse2 ,131087 ,0 ,3 ,5939.3 ,5871.4 > skylake ,sse2 ,131103 ,3 ,0 ,4272.4 ,4190.0 > skylake ,sse2 ,131135 ,3 ,7 ,7601.4 ,7524.6 > skylake ,sse2 ,131199 ,9 ,5 ,7022.1 ,6864.7 > skylake ,sse2 ,262151 ,0 ,64 ,13736.2 ,14030.0 > skylake ,sse2 ,262159 ,0 ,3 ,12407.3 ,12334.1 > skylake ,sse2 ,262175 ,3 ,0 ,9661.1 ,9249.4 > skylake ,sse2 ,262207 ,3 ,7 ,12850.2 ,12351.6 > skylake ,sse2 ,262271 ,9 ,5 ,10792.6 ,10435.8 > skylake ,sse2 ,524295 ,0 ,64 ,27754.5 ,28177.7 > skylake ,sse2 ,524303 ,0 ,3 ,27766.2 ,28152.0 > skylake ,sse2 ,524319 ,3 ,0 ,24030.9 ,24438.3 > skylake ,sse2 ,524351 ,3 ,7 ,27787.5 ,27933.0 > skylake ,sse2 ,524415 ,9 ,5 ,24263.2 ,25249.1 > skylake ,sse2 ,1048583 ,0 ,64 ,56199.9 ,56039.8 > skylake ,sse2 ,1048591 ,0 ,3 ,56750.2 ,58889.7 > skylake ,sse2 ,1048607 ,3 ,0 ,56394.0 ,55115.3 > skylake ,sse2 ,1048639 ,3 ,7 ,57233.1 ,57473.8 > skylake ,sse2 ,1048703 ,9 ,5 ,56324.3 ,55917.9 > skylake ,sse2 ,2097159 ,0 ,64 ,113234.8 ,114346.4 > skylake ,sse2 ,2097167 ,0 ,3 ,114373.1 ,115522.5 > skylake ,sse2 ,2097183 ,3 ,0 ,108113.3 ,108513.3 > skylake ,sse2 ,2097215 ,3 ,7 ,116863.6 ,116549.9 > skylake ,sse2 ,2097279 ,9 ,5 ,108945.1 ,108843.7 > skylake ,sse2 ,4194311 ,0 ,64 ,230250.1 ,232350.0 > skylake ,sse2 ,4194319 ,0 ,3 ,231895.3 ,235055.6 > skylake ,sse2 ,4194335 ,3 ,0 ,218442.8 ,219199.8 > skylake ,sse2 ,4194367 ,3 ,7 ,242564.2 ,235587.7 > skylake ,sse2 ,4194431 ,9 ,5 ,224167.4 ,215261.8 > skylake ,sse2 ,8388615 ,0 ,64 ,679801.8 ,674832.0 > skylake ,sse2 ,8388623 ,0 ,3 ,684913.2 ,685238.7 > skylake ,sse2 ,8388639 ,3 ,0 ,644865.4 ,631388.6 > skylake ,sse2 ,8388671 ,3 ,7 ,698700.9 ,689316.1 > skylake ,sse2 ,8388735 ,9 ,5 ,644820.2 ,631366.8 > skylake ,sse2 ,16777223 ,0 ,64 ,1877984.0 ,1876437.0 > skylake ,sse2 ,16777231 ,0 ,3 ,1898086.0 ,1913053.0 > skylake ,sse2 ,16777247 ,3 ,0 ,1857018.0 ,1866949.0 > skylake ,sse2 ,16777279 ,3 ,7 ,1914905.0 ,1897134.0 > skylake ,sse2 ,16777343 ,9 ,5 ,1859937.0 ,1881939.0 > icelake ,avx512 ,4103 ,0 ,64 ,75.2 ,75.8 > icelake ,avx512 ,4111 ,0 ,3 ,56.9 ,56.4 > icelake ,avx512 ,4127 ,3 ,0 ,59.1 ,59.6 > icelake ,avx512 ,4159 ,3 ,7 ,50.7 ,51.3 > icelake ,avx512 ,4223 ,9 ,5 ,59.2 ,58.9 > icelake ,avx512 ,8199 ,0 ,64 ,67.8 ,63.9 > icelake ,avx512 ,8207 ,0 ,3 ,89.0 ,89.9 > icelake ,avx512 ,8223 ,3 ,0 ,90.2 ,90.1 > icelake ,avx512 ,8255 ,3 ,7 ,82.6 ,84.9 > icelake ,avx512 ,8319 ,9 ,5 ,91.5 ,92.8 > icelake ,avx512 ,16391 ,0 ,64 ,118.0 ,117.6 > icelake ,avx512 ,16399 ,0 ,3 ,156.5 ,157.0 > icelake ,avx512 ,16415 ,3 ,0 ,157.4 ,157.3 > icelake ,avx512 ,16447 ,3 ,7 ,151.0 ,151.6 > icelake ,avx512 ,16511 ,9 ,5 ,159.1 ,159.6 > icelake ,avx512 ,32775 ,0 ,64 ,231.8 ,230.8 > icelake ,avx512 ,32783 ,0 ,3 ,297.8 ,299.3 > icelake ,avx512 ,32799 ,3 ,0 ,299.1 ,299.0 > icelake ,avx512 ,32831 ,3 ,7 ,293.5 ,295.4 > icelake ,avx512 ,32895 ,9 ,5 ,300.3 ,302.5 > icelake ,avx512 ,65543 ,0 ,64 ,1473.4 ,1479.2 > icelake ,avx512 ,65551 ,0 ,3 ,1438.2 ,1445.3 > icelake ,avx512 ,65567 ,3 ,0 ,1450.3 ,1463.8 > icelake ,avx512 ,65599 ,3 ,7 ,1469.0 ,1473.8 > icelake ,avx512 ,65663 ,9 ,5 ,1480.0 ,1483.5 > icelake ,avx512 ,131079 ,0 ,64 ,3015.1 ,3037.5 > icelake ,avx512 ,131087 ,0 ,3 ,2952.3 ,2960.4 > icelake ,avx512 ,131103 ,3 ,0 ,2966.2 ,2964.4 > icelake ,avx512 ,131135 ,3 ,7 ,2961.6 ,3047.9 > icelake ,avx512 ,131199 ,9 ,5 ,2967.4 ,3183.8 > icelake ,avx512 ,262151 ,0 ,64 ,6206.0 ,6141.5 > icelake ,avx512 ,262159 ,0 ,3 ,5990.8 ,5959.2 > icelake ,avx512 ,262175 ,3 ,0 ,5976.7 ,5963.8 > icelake ,avx512 ,262207 ,3 ,7 ,5939.5 ,5924.3 > icelake ,avx512 ,262271 ,9 ,5 ,5944.6 ,5990.3 > icelake ,avx512 ,524295 ,0 ,64 ,14726.7 ,14307.0 > icelake ,avx512 ,524303 ,0 ,3 ,14344.2 ,14040.5 > icelake ,avx512 ,524319 ,3 ,0 ,14175.0 ,13862.2 > icelake ,avx512 ,524351 ,3 ,7 ,14261.4 ,13821.5 > icelake ,avx512 ,524415 ,9 ,5 ,14266.5 ,14064.7 > icelake ,avx512 ,1048583 ,0 ,64 ,35211.4 ,35414.6 > icelake ,avx512 ,1048591 ,0 ,3 ,35156.8 ,35591.2 > icelake ,avx512 ,1048607 ,3 ,0 ,35273.1 ,35503.3 > icelake ,avx512 ,1048639 ,3 ,7 ,35255.8 ,35725.0 > icelake ,avx512 ,1048703 ,9 ,5 ,35703.6 ,36289.9 > icelake ,avx512 ,2097159 ,0 ,64 ,72613.9 ,72063.2 > icelake ,avx512 ,2097167 ,0 ,3 ,72301.6 ,73504.2 > icelake ,avx512 ,2097183 ,3 ,0 ,73448.8 ,72133.6 > icelake ,avx512 ,2097215 ,3 ,7 ,73762.9 ,72825.8 > icelake ,avx512 ,2097279 ,9 ,5 ,72097.3 ,72914.6 > icelake ,avx512 ,4194311 ,0 ,64 ,144793.4 ,144182.1 > icelake ,avx512 ,4194319 ,0 ,3 ,143710.3 ,145063.3 > icelake ,avx512 ,4194335 ,3 ,0 ,146722.1 ,144046.4 > icelake ,avx512 ,4194367 ,3 ,7 ,144267.0 ,144874.6 > icelake ,avx512 ,4194431 ,9 ,5 ,143808.2 ,144560.0 > icelake ,avx512 ,8388615 ,0 ,64 ,427993.4 ,424521.5 > icelake ,avx512 ,8388623 ,0 ,3 ,470267.1 ,473290.8 > icelake ,avx512 ,8388639 ,3 ,0 ,457179.7 ,461797.7 > icelake ,avx512 ,8388671 ,3 ,7 ,472507.9 ,481561.4 > icelake ,avx512 ,8388735 ,9 ,5 ,463611.9 ,467388.7 > icelake ,avx512 ,16777223 ,0 ,64 ,1490426.0 ,1526996.0 > icelake ,avx512 ,16777231 ,0 ,3 ,1516687.0 ,1517095.0 > icelake ,avx512 ,16777247 ,3 ,0 ,1497688.0 ,1512766.0 > icelake ,avx512 ,16777279 ,3 ,7 ,1512331.0 ,1524317.0 > icelake ,avx512 ,16777343 ,9 ,5 ,1498908.0 ,1500526.0 > icelake ,avx ,4103 ,0 ,64 ,50.2 ,63.7 > icelake ,avx ,4111 ,0 ,3 ,63.7 ,65.1 > icelake ,avx ,4127 ,3 ,0 ,68.2 ,69.4 > icelake ,avx ,4159 ,3 ,7 ,59.6 ,68.0 > icelake ,avx ,4223 ,9 ,5 ,68.2 ,66.8 > icelake ,avx ,8199 ,0 ,64 ,92.1 ,89.9 > icelake ,avx ,8207 ,0 ,3 ,119.7 ,118.3 > icelake ,avx ,8223 ,3 ,0 ,119.1 ,120.9 > icelake ,avx ,8255 ,3 ,7 ,122.9 ,123.7 > icelake ,avx ,8319 ,9 ,5 ,122.1 ,121.8 > icelake ,avx ,16391 ,0 ,64 ,162.7 ,158.0 > icelake ,avx ,16399 ,0 ,3 ,227.6 ,234.1 > icelake ,avx ,16415 ,3 ,0 ,230.8 ,232.7 > icelake ,avx ,16447 ,3 ,7 ,226.8 ,232.6 > icelake ,avx ,16511 ,9 ,5 ,233.4 ,233.8 > icelake ,avx ,32775 ,0 ,64 ,312.2 ,301.8 > icelake ,avx ,32783 ,0 ,3 ,449.7 ,450.0 > icelake ,avx ,32799 ,3 ,0 ,452.7 ,455.9 > icelake ,avx ,32831 ,3 ,7 ,449.8 ,458.0 > icelake ,avx ,32895 ,9 ,5 ,456.3 ,459.4 > icelake ,avx ,65543 ,0 ,64 ,1460.6 ,1463.9 > icelake ,avx ,65551 ,0 ,3 ,1462.0 ,1465.4 > icelake ,avx ,65567 ,3 ,0 ,1466.6 ,1480.4 > icelake ,avx ,65599 ,3 ,7 ,1488.0 ,1488.9 > icelake ,avx ,65663 ,9 ,5 ,1680.8 ,1499.5 > icelake ,avx ,131079 ,0 ,64 ,2988.5 ,3010.1 > icelake ,avx ,131087 ,0 ,3 ,2995.5 ,2996.4 > icelake ,avx ,131103 ,3 ,0 ,3006.2 ,3000.5 > icelake ,avx ,131135 ,3 ,7 ,3032.4 ,3073.7 > icelake ,avx ,131199 ,9 ,5 ,3010.4 ,3027.4 > icelake ,avx ,262151 ,0 ,64 ,6143.2 ,6079.1 > icelake ,avx ,262159 ,0 ,3 ,6085.1 ,6075.8 > icelake ,avx ,262175 ,3 ,0 ,6088.0 ,6064.9 > icelake ,avx ,262207 ,3 ,7 ,6018.7 ,6023.5 > icelake ,avx ,262271 ,9 ,5 ,6019.8 ,5959.2 > icelake ,avx ,524295 ,0 ,64 ,14464.2 ,14095.1 > icelake ,avx ,524303 ,0 ,3 ,14761.6 ,14050.2 > icelake ,avx ,524319 ,3 ,0 ,14534.1 ,14087.5 > icelake ,avx ,524351 ,3 ,7 ,14147.7 ,13903.8 > icelake ,avx ,524415 ,9 ,5 ,14157.0 ,13982.9 > icelake ,avx ,1048583 ,0 ,64 ,36599.0 ,37461.4 > icelake ,avx ,1048591 ,0 ,3 ,36717.8 ,37454.9 > icelake ,avx ,1048607 ,3 ,0 ,36821.2 ,37343.3 > icelake ,avx ,1048639 ,3 ,7 ,36958.0 ,37507.2 > icelake ,avx ,1048703 ,9 ,5 ,36869.2 ,37413.1 > icelake ,avx ,2097159 ,0 ,64 ,74765.8 ,75330.9 > icelake ,avx ,2097167 ,0 ,3 ,75175.4 ,74891.9 > icelake ,avx ,2097183 ,3 ,0 ,75451.4 ,74787.7 > icelake ,avx ,2097215 ,3 ,7 ,75394.8 ,75839.1 > icelake ,avx ,2097279 ,9 ,5 ,75099.2 ,75421.2 > icelake ,avx ,4194311 ,0 ,64 ,146809.6 ,146619.4 > icelake ,avx ,4194319 ,0 ,3 ,148866.4 ,149898.2 > icelake ,avx ,4194335 ,3 ,0 ,148719.7 ,150165.4 > icelake ,avx ,4194367 ,3 ,7 ,150600.1 ,150925.9 > icelake ,avx ,4194431 ,9 ,5 ,149457.3 ,150519.2 > icelake ,avx ,8388615 ,0 ,64 ,412709.8 ,423666.1 > icelake ,avx ,8388623 ,0 ,3 ,423717.4 ,424418.2 > icelake ,avx ,8388639 ,3 ,0 ,414387.5 ,413445.6 > icelake ,avx ,8388671 ,3 ,7 ,449010.7 ,417553.5 > icelake ,avx ,8388735 ,9 ,5 ,414128.6 ,411815.3 > icelake ,avx ,16777223 ,0 ,64 ,1490032.0 ,1510004.0 > icelake ,avx ,16777231 ,0 ,3 ,1379638.0 ,1422097.0 > icelake ,avx ,16777247 ,3 ,0 ,1418930.0 ,1367557.0 > icelake ,avx ,16777279 ,3 ,7 ,1515152.0 ,1500176.0 > icelake ,avx ,16777343 ,9 ,5 ,1344117.0 ,1411795.0 > icelake ,sse2 ,4103 ,0 ,64 ,113.2 ,114.6 > icelake ,sse2 ,4111 ,0 ,3 ,121.5 ,120.4 > icelake ,sse2 ,4127 ,3 ,0 ,1700.5 ,1771.5 > icelake ,sse2 ,4159 ,3 ,7 ,119.3 ,118.8 > icelake ,sse2 ,4223 ,9 ,5 ,1739.7 ,1735.2 > icelake ,sse2 ,8199 ,0 ,64 ,207.0 ,203.9 > icelake ,sse2 ,8207 ,0 ,3 ,225.5 ,220.8 > icelake ,sse2 ,8223 ,3 ,0 ,3444.3 ,3743.5 > icelake ,sse2 ,8255 ,3 ,7 ,219.9 ,216.8 > icelake ,sse2 ,8319 ,9 ,5 ,4117.1 ,3487.3 > icelake ,sse2 ,16391 ,0 ,64 ,397.1 ,394.3 > icelake ,sse2 ,16399 ,0 ,3 ,439.6 ,428.6 > icelake ,sse2 ,16415 ,3 ,0 ,6997.0 ,7031.2 > icelake ,sse2 ,16447 ,3 ,7 ,426.8 ,421.8 > icelake ,sse2 ,16511 ,9 ,5 ,7037.6 ,7038.3 > icelake ,sse2 ,32775 ,0 ,64 ,790.9 ,779.0 > icelake ,sse2 ,32783 ,0 ,3 ,863.1 ,849.6 > icelake ,sse2 ,32799 ,3 ,0 ,14043.0 ,14390.9 > icelake ,sse2 ,32831 ,3 ,7 ,841.6 ,833.1 > icelake ,sse2 ,32895 ,9 ,5 ,14277.6 ,14344.2 > icelake ,sse2 ,65543 ,0 ,64 ,1897.0 ,1897.3 > icelake ,sse2 ,65551 ,0 ,3 ,1927.1 ,1955.4 > icelake ,sse2 ,65567 ,3 ,0 ,28834.7 ,28727.8 > icelake ,sse2 ,65599 ,3 ,7 ,1961.4 ,1969.7 > icelake ,sse2 ,65663 ,9 ,5 ,28867.6 ,29019.8 > icelake ,sse2 ,131079 ,0 ,64 ,3879.3 ,3872.6 > icelake ,sse2 ,131087 ,0 ,3 ,3955.3 ,3990.7 > icelake ,sse2 ,131103 ,3 ,0 ,58001.8 ,60567.9 > icelake ,sse2 ,131135 ,3 ,7 ,3951.5 ,4002.6 > icelake ,sse2 ,131199 ,9 ,5 ,57886.7 ,58391.4 > icelake ,sse2 ,262151 ,0 ,64 ,7851.4 ,7894.7 > icelake ,sse2 ,262159 ,0 ,3 ,7947.5 ,8016.2 > icelake ,sse2 ,262175 ,3 ,0 ,115036.2 ,115968.6 > icelake ,sse2 ,262207 ,3 ,7 ,7883.9 ,7814.1 > icelake ,sse2 ,262271 ,9 ,5 ,113776.4 ,119733.6 > icelake ,sse2 ,524295 ,0 ,64 ,17198.1 ,16974.9 > icelake ,sse2 ,524303 ,0 ,3 ,17402.2 ,17096.3 > icelake ,sse2 ,524319 ,3 ,0 ,223980.4 ,225889.9 > icelake ,sse2 ,524351 ,3 ,7 ,17034.9 ,16910.3 > icelake ,sse2 ,524415 ,9 ,5 ,224027.7 ,224962.5 > icelake ,sse2 ,1048583 ,0 ,64 ,38822.3 ,39178.6 > icelake ,sse2 ,1048591 ,0 ,3 ,41686.7 ,40247.4 > icelake ,sse2 ,1048607 ,3 ,0 ,38814.8 ,39323.3 > icelake ,sse2 ,1048639 ,3 ,7 ,39568.3 ,41325.7 > icelake ,sse2 ,1048703 ,9 ,5 ,39354.2 ,39637.9 > icelake ,sse2 ,2097159 ,0 ,64 ,84074.7 ,84543.1 > icelake ,sse2 ,2097167 ,0 ,3 ,83665.7 ,82358.2 > icelake ,sse2 ,2097183 ,3 ,0 ,81817.8 ,79638.9 > icelake ,sse2 ,2097215 ,3 ,7 ,83649.1 ,83497.6 > icelake ,sse2 ,2097279 ,9 ,5 ,80287.6 ,79980.9 > icelake ,sse2 ,4194311 ,0 ,64 ,165409.8 ,168343.1 > icelake ,sse2 ,4194319 ,0 ,3 ,165216.7 ,177632.0 > icelake ,sse2 ,4194335 ,3 ,0 ,158718.7 ,160342.2 > icelake ,sse2 ,4194367 ,3 ,7 ,167944.9 ,167204.4 > icelake ,sse2 ,4194431 ,9 ,5 ,161530.1 ,164839.7 > icelake ,sse2 ,8388615 ,0 ,64 ,626504.3 ,629858.5 > icelake ,sse2 ,8388623 ,0 ,3 ,623969.5 ,631509.1 > icelake ,sse2 ,8388639 ,3 ,0 ,599366.7 ,600016.0 > icelake ,sse2 ,8388671 ,3 ,7 ,619964.2 ,619113.2 > icelake ,sse2 ,8388735 ,9 ,5 ,595338.1 ,604172.4 > icelake ,sse2 ,16777223 ,0 ,64 ,1709597.0 ,1725184.0 > icelake ,sse2 ,16777231 ,0 ,3 ,1725452.0 ,1719746.0 > icelake ,sse2 ,16777247 ,3 ,0 ,1614269.0 ,1607164.0 > icelake ,sse2 ,16777279 ,3 ,7 ,1705295.0 ,1733018.0 > icelake ,sse2 ,16777343 ,9 ,5 ,1604197.0 ,1595690.0 > I am having a hard time to convince myself that this patch is really necessary. What are geomeans of all different cases for each processors? -- H.J.