Re: System.Numerics.Vector not accelerated
Alexander Köplinger via Mono-list <[email protected]> Tue, 16 May 2017 13:32:26 +0000
| Newsgroups | gmane.comp.gnome.mono.general |
|---|---|
| Message-ID | <[email protected]> |
--===============9104711838600115075== Content-Language: en-US Content-Type: multipart/alternative; boundary="_000_B786B4C739444D54915ED2154C4F518Bmicrosoftcom_" --_000_B786B4C739444D54915ED2154C4F518Bmicrosoftcom_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hey, this was fixed with https://github.com/mono/mono/pull/4762 and should show = up in the Mono 5.2 release (which should be in the alpha channel soon). - Alex On 16 May 2017, at 14:59, Natalia Portillo <[email protected]<mailto:clau= [email protected]>> wrote: Hi all, I've created a little test of MD5 using the System.Cryptography implementat= ion as well as Mono.Simd and System.Numerics.Vectors. I've got the following unexpected results: 1.- IsHardwareAccelerated is false in Mono 5.0.0.100 in Linux and macOS. It= 's true in Windows .NET (VS2017 sdk) 2.- Vectors is THOUSANDS of times slower than crypto, managed and mono.simd= versions even when accelerated. 3.- Mono.Simd is still slower than just managed. I don't know if this is a bug or I'm using the intrinsics in an inadequate = way. The code is available for inspection in https://na01.safelinks.protection.o= utlook.com/?url=3Dhttps%3A%2F%2Fgithub.com%2Fclaunia%2FTestSIMD&data=3D02%7= C01%7Calkpli%40microsoft.com%7C144d2ea4005f459b8c9f08d49c5b6600%7C72f988bf8= 6f141af91ab2d7cd011db47%7C1%7C0%7C636305363754917255&sdata=3D32YqIVi8vguZnu= pUKmQuE%2B0cH%2BUnK3Vd0ywuUb%2Ft7m0%3D&reserved=3D0 Regards, Natalia Portillo Sent from my iPhone _______________________________________________ Mono-list maillist - [email protected]<mailto:[email protected]= et> https://na01.safelinks.protection.outlook.com/?url=3Dhttp%3A%2F%2Flists.dot= .net%2Fmailman%2Flistinfo%2Fmono-list&data=3D02%7C01%7Calkpli%40microsoft.c= om%7C144d2ea4005f459b8c9f08d49c5b6600%7C72f988bf86f141af91ab2d7cd011db47%7C= 1%7C0%7C636305363754917255&sdata=3DmZhk52BdjnaBbWKI0%2B6csF5WEYWf0HcbwSFQH%= 2BxDfHY%3D&reserved=3D0 --_000_B786B4C739444D54915ED2154C4F518Bmicrosoftcom_ Content-Type: text/html; charset="iso-8859-1" Content-ID: <[email protected]> Content-Transfer-Encoding: quoted-printable <html> <head> <meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3Diso-8859-= 1"> </head> <body style=3D"word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-lin= e-break: after-white-space;" class=3D""> Hey, <div class=3D""><br class=3D""> </div> <div class=3D"">this was fixed with <a href=3D"https://github.com/mono= /mono/pull/4762" class=3D"">https://github.com/mono/mono/pull/4762</a> = ;and should show up in the Mono 5.2 release (which should be in the alpha c= hannel soon).</div> <div class=3D""><br class=3D""> </div> <div class=3D"">- Alex</div> <div class=3D""><br class=3D""> <div> <blockquote type=3D"cite" class=3D""> <div class=3D"">On 16 May 2017, at 14:59, Natalia Portillo <<a href=3D"m= ailto:[email protected]" class=3D"">[email protected]</a>> wrote:</d= iv> <br class=3D"Apple-interchange-newline"> <div class=3D""> <div class=3D"">Hi all,<br class=3D""> <br class=3D""> I've created a little test of MD5 using the System.Cryptography implementat= ion as well as Mono.Simd and System.Numerics.Vectors.<br class=3D""> <br class=3D""> I've got the following unexpected results:<br class=3D""> 1.- IsHardwareAccelerated is false in Mono 5.0.0.100 in Linux and macOS. It= 's true in Windows .NET (VS2017 sdk)<br class=3D""> 2.- Vectors is THOUSANDS of times slower than crypto, managed and mono.simd= versions even when accelerated.<br class=3D""> 3.- Mono.Simd is still slower than just managed.<br class=3D""> <br class=3D""> I don't know if this is a bug or I'm using the intrinsics in an inadequate = way.<br class=3D""> <br class=3D""> The code is available for inspection in <a href=3D"https://na01.safelinks.p= rotection.outlook.com/?url=3Dhttps%3A%2F%2Fgithub.com%2Fclaunia%2FTestSIMD&= amp;data=3D02%7C01%7Calkpli%40microsoft.com%7C144d2ea4005f459b8c9f08d49c5b6= 600%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C636305363754917255&sda= ta=3D32YqIVi8vguZnupUKmQuE%2B0cH%2BUnK3Vd0ywuUb%2Ft7m0%3D&reserved=3D0"= class=3D""> https://na01.safelinks.protection.outlook.com/?url=3Dhttps%3A%2F%2Fgithub.c= om%2Fclaunia%2FTestSIMD&data=3D02%7C01%7Calkpli%40microsoft.com%7C144d2= ea4005f459b8c9f08d49c5b6600%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C63= 6305363754917255&sdata=3D32YqIVi8vguZnupUKmQuE%2B0cH%2BUnK3Vd0ywuUb%2Ft= 7m0%3D&reserved=3D0</a><br class=3D""> <br class=3D""> Regards,<br class=3D""> Natalia Portillo<br class=3D""> Sent from my iPhone<br class=3D""> _______________________________________________<br class=3D""> Mono-list maillist - <a href=3D"mailto:[email protected]"= class=3D"">[email protected]</a><br class=3D""> <a href=3D"https://na01.safelinks.protection.outlook.com/?url=3Dhttp%3A%2F%= 2Flists.dot.net%2Fmailman%2Flistinfo%2Fmono-list&data=3D02%7C01%7Calkpl= i%40microsoft.com%7C144d2ea4005f459b8c9f08d49c5b6600%7C72f988bf86f141af91ab= 2d7cd011db47%7C1%7C0%7C636305363754917255&sdata=3DmZhk52BdjnaBbWKI0%2B6= csF5WEYWf0HcbwSFQH%2BxDfHY%3D&reserved=3D0" class=3D"">https://na01.saf= elinks.protection.outlook.com/?url=3Dhttp%3A%2F%2Flists.dot.net%2Fmailman%2= Flistinfo%2Fmono-list&data=3D02%7C01%7Calkpli%40microsoft.com%7C144d2ea= 4005f459b8c9f08d49c5b6600%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C6363= 05363754917255&sdata=3DmZhk52BdjnaBbWKI0%2B6csF5WEYWf0HcbwSFQH%2BxDfHY%= 3D&reserved=3D0</a><br class=3D""> </div> </div> </blockquote> </div> <br class=3D""> </div> </body> </html> --_000_B786B4C739444D54915ED2154C4F518Bmicrosoftcom_-- --===============9104711838600115075== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KTW9uby1saXN0 IG1haWxsaXN0ICAtICBNb25vLWxpc3RAbGlzdHMuZG90Lm5ldApodHRwOi8vbGlzdHMuZG90Lm5l dC9tYWlsbWFuL2xpc3RpbmZvL21vbm8tbGlzdAo= --===============9104711838600115075==--