[{"id":22499,"web_url":"https://patchwork.libcamera.org/comment/22499/","msgid":"","date":"2022-03-29T00:36:18","subject":"Re: [libcamera-devel] [PATCH v3 0/5] ipa: ipu3: af: Small\n\timprovements","submitter":{"id":105,"url":"https://patchwork.libcamera.org/api/people/105/","name":"Kate Hsuan","email":"hpa@redhat.com"},"content":"Hi Kieran,\n\nOn Fri, Mar 25, 2022 at 5:26 PM Kieran Bingham\n wrote:\n>\n> Following review of the IPU3 Af implementation, the following additional\n> improvements were identified.\n>\n> No functional change to the running of the algorithm is intended or\n> expected, though this does remove a memcpy, and adapts to use a Span for\n> range based iterators, as well as hopefully make it easier to use custom\n> ROI's and return the AF regions in later developments.\n>\n> *** This is only compile tested! ***\n>\n> Kate/JM - could you test this please?\n\nOkay, I can test it, please allow me some time :)\n\nThank you.\n\n>\n> v3:\n> - Minor cleanups from Laurent and collect tags.\n> - Keeping the two loop implementation of Af::afEstimateVariance\n> to prevent risk of \"catasrophic cancellation\".\n>\n> Kieran Bingham (5):\n> ipa: ipu3: af: Move constants to implementation\n> ipa: ipu3: af: Use geometry classes to perform grid centering\n> ipa: ipu3: af: Remove redundant memcpy\n> ipa: ipu3: af: Use Span for y_table_item_t\n> ipa: ipu3: af: Simplify accumulations of y_items\n>\n> src/ipa/ipu3/algorithms/af.cpp | 140 +++++++++++++--------------------\n> src/ipa/ipu3/algorithms/af.h | 15 +---\n> 2 files changed, 56 insertions(+), 99 deletions(-)\n>\n> --\n> 2.32.0\n>","headers":{"Return-Path":"","X-Original-To":"parsemail@patchwork.libcamera.org","Delivered-To":"parsemail@patchwork.libcamera.org","Received":["from lancelot.ideasonboard.com (lancelot.ideasonboard.com\n\t[92.243.16.209])\n\tby patchwork.libcamera.org (Postfix) with ESMTPS id 029ABC3256\n\tfor ;\n\tTue, 29 Mar 2022 00:36:37 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 23D7C65633;\n\tTue, 29 Mar 2022 02:36:36 +0200 (CEST)","from us-smtp-delivery-124.mimecast.com\n\t(us-smtp-delivery-124.mimecast.com [170.10.133.124])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 0FD86600AB\n\tfor ;\n\tTue, 29 Mar 2022 02:36:33 +0200 (CEST)","from mail-lf1-f71.google.com (mail-lf1-f71.google.com\n\t[209.85.167.71]) by relay.mimecast.com with ESMTP with STARTTLS\n\t(version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id\n\tus-mta-622-qbR61nQFMOS_Wc9lvLL4Tg-1; 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\n\tMon, 28 Mar 2022 17:36:29 -0700 (PDT)","by 2002:a2e:86c5:0:b0:249:b999:fbf with SMTP id\n\tn5-20020a2e86c5000000b00249b9990fbfmr124494ljj.363.1648514189202;\n\tMon, 28 Mar 2022 17:36:29 -0700 (PDT)"],"X-Google-Smtp-Source":"ABdhPJxZKozktYTkWnx86rK6+1gHZ5qe3Tn8ZSRvsGSzu+cUdrEPocSN5/IpXoQXN735X2vckDjCoN64+x3/szH32co=","MIME-Version":"1.0","References":"<20220325092555.1799897-1-kieran.bingham@ideasonboard.com>","In-Reply-To":"<20220325092555.1799897-1-kieran.bingham@ideasonboard.com>","Date":"Tue, 29 Mar 2022 08:36:18 +0800","Message-ID":"","To":"Kieran Bingham ","X-Mimecast-Spam-Score":"0","X-Mimecast-Originator":"redhat.com","Content-Type":"text/plain; charset=\"UTF-8\"","Subject":"Re: [libcamera-devel] [PATCH v3 0/5] ipa: ipu3: af: Small\n\timprovements","X-BeenThere":"libcamera-devel@lists.libcamera.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","From":"Kate Hsuan via libcamera-devel ","Reply-To":"Kate Hsuan ","Cc":"libcamera devel ","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "}},{"id":22500,"web_url":"https://patchwork.libcamera.org/comment/22500/","msgid":"<53297f16-f616-a456-966d-28f419d2f9f4@ideasonboard.com>","date":"2022-03-29T05:54:19","subject":"Re: [libcamera-devel] [PATCH v3 0/5] ipa: ipu3: af: Small\n\timprovements","submitter":{"id":75,"url":"https://patchwork.libcamera.org/api/people/75/","name":"Jean-Michel Hautbois","email":"jeanmichel.hautbois@ideasonboard.com"},"content":"Hi Kieran,\n\nOn 25/03/2022 10:25, Kieran Bingham wrote:\n> Following review of the IPU3 Af implementation, the following additional\n> improvements were identified.\n> \n> No functional change to the running of the algorithm is intended or\n> expected, though this does remove a memcpy, and adapts to use a Span for\n> range based iterators, as well as hopefully make it easier to use custom\n> ROI's and return the AF regions in later developments.\n> \n> *** This is only compile tested! ***\n> \n> Kate/JM - could you test this please?\n\nFor my side:\nTested-by: Jean-Michel Hautbois \n\n> \n> v3:\n> - Minor cleanups from Laurent and collect tags.\n> - Keeping the two loop implementation of Af::afEstimateVariance\n> to prevent risk of \"catasrophic cancellation\".\n> \n> Kieran Bingham (5):\n> ipa: ipu3: af: Move constants to implementation\n> ipa: ipu3: af: Use geometry classes to perform grid centering\n> ipa: ipu3: af: Remove redundant memcpy\n> ipa: ipu3: af: Use Span for y_table_item_t\n> ipa: ipu3: af: Simplify accumulations of y_items\n> \n> src/ipa/ipu3/algorithms/af.cpp | 140 +++++++++++++--------------------\n> src/ipa/ipu3/algorithms/af.h | 15 +---\n> 2 files changed, 56 insertions(+), 99 deletions(-)\n>","headers":{"Return-Path":"","X-Original-To":"parsemail@patchwork.libcamera.org","Delivered-To":"parsemail@patchwork.libcamera.org","Received":["from lancelot.ideasonboard.com (lancelot.ideasonboard.com\n\t[92.243.16.209])\n\tby patchwork.libcamera.org (Postfix) with ESMTPS id 87520C0F1B\n\tfor ;\n\tTue, 29 Mar 2022 05:54:23 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id EE17665633;\n\tTue, 29 Mar 2022 07:54:22 +0200 (CEST)","from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[IPv6:2001:4b98:dc2:55:216:3eff:fef7:d647])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 26751604BC\n\tfor ;\n\tTue, 29 Mar 2022 07:54:22 +0200 (CEST)","from [IPV6:2a01:e0a:169:7140:46c7:900e:3d98:76e7] (unknown\n\t[IPv6:2a01:e0a:169:7140:46c7:900e:3d98:76e7])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id AE83C888;\n\tTue, 29 Mar 2022 07:54:21 +0200 (CEST)"],"DKIM-Signature":["v=1; 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dkim=pass (1024-bit key; \n\tunprotected) header.d=ideasonboard.com\n\theader.i=@ideasonboard.com\n\theader.b=\"OGFSvkaS\"; dkim-atps=neutral","Message-ID":"<53297f16-f616-a456-966d-28f419d2f9f4@ideasonboard.com>","Date":"Tue, 29 Mar 2022 07:54:19 +0200","MIME-Version":"1.0","User-Agent":"Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101\n\tThunderbird/91.7.0","Content-Language":"en-US","To":"Kieran Bingham ,\n\tlibcamera devel ,\n\tKate Hsuan ","References":"<20220325092555.1799897-1-kieran.bingham@ideasonboard.com>","In-Reply-To":"<20220325092555.1799897-1-kieran.bingham@ideasonboard.com>","Content-Type":"text/plain; charset=UTF-8; format=flowed","Content-Transfer-Encoding":"7bit","Subject":"Re: [libcamera-devel] [PATCH v3 0/5] ipa: ipu3: af: Small\n\timprovements","X-BeenThere":"libcamera-devel@lists.libcamera.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","From":"Jean-Michel Hautbois via libcamera-devel\n\t","Reply-To":"Jean-Michel Hautbois ","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "}},{"id":22506,"web_url":"https://patchwork.libcamera.org/comment/22506/","msgid":"","date":"2022-03-29T06:53:58","subject":"Re: [libcamera-devel] [PATCH v3 0/5] ipa: ipu3: af: Small\n\timprovements","submitter":{"id":105,"url":"https://patchwork.libcamera.org/api/people/105/","name":"Kate Hsuan","email":"hpa@redhat.com"},"content":"Hi Kieran,\n\nOn Tue, Mar 29, 2022 at 1:54 PM Jean-Michel Hautbois\n wrote:\n>\n> Hi Kieran,\n>\n> On 25/03/2022 10:25, Kieran Bingham wrote:\n> > Following review of the IPU3 Af implementation, the following additional\n> > improvements were identified.\n> >\n> > No functional change to the running of the algorithm is intended or\n> > expected, though this does remove a memcpy, and adapts to use a Span for\n> > range based iterators, as well as hopefully make it easier to use custom\n> > ROI's and return the AF regions in later developments.\n> >\n> > *** This is only compile tested! ***\n> >\n> > Kate/JM - could you test this please?\n>\n> For my side:\n> Tested-by: Jean-Michel Hautbois \n>\n> >\n> > v3:\n> > - Minor cleanups from Laurent and collect tags.\n> > - Keeping the two loop implementation of Af::afEstimateVariance\n> > to prevent risk of \"catasrophic cancellation\".\n> >\n> > Kieran Bingham (5):\n> > ipa: ipu3: af: Move constants to implementation\n> > ipa: ipu3: af: Use geometry classes to perform grid centering\n> > ipa: ipu3: af: Remove redundant memcpy\n> > ipa: ipu3: af: Use Span for y_table_item_t\n> > ipa: ipu3: af: Simplify accumulations of y_items\n> >\n> > src/ipa/ipu3/algorithms/af.cpp | 140 +++++++++++++--------------------\n> > src/ipa/ipu3/algorithms/af.h | 15 +---\n> > 2 files changed, 56 insertions(+), 99 deletions(-)\n> >\n>\n\nFor my side\n\nTested-by: Kate Hsuan ","headers":{"Return-Path":"","X-Original-To":"parsemail@patchwork.libcamera.org","Delivered-To":"parsemail@patchwork.libcamera.org","Received":["from lancelot.ideasonboard.com (lancelot.ideasonboard.com\n\t[92.243.16.209])\n\tby patchwork.libcamera.org (Postfix) with ESMTPS id E84AEC0F1B\n\tfor ;\n\tTue, 29 Mar 2022 06:54:16 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 43DC465633;\n\tTue, 29 Mar 2022 08:54:16 +0200 (CEST)","from us-smtp-delivery-124.mimecast.com\n\t(us-smtp-delivery-124.mimecast.com [170.10.129.124])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 2A8EC604BC\n\tfor ;\n\tTue, 29 Mar 2022 08:54:14 +0200 (CEST)","from mail-lf1-f69.google.com (mail-lf1-f69.google.com\n\t[209.85.167.69]) by relay.mimecast.com with ESMTP with STARTTLS\n\t(version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id\n\tus-mta-151-K5gdYys7ODuAx5VarYW0xw-1; 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\n\tMon, 28 Mar 2022 23:54:09 -0700 (PDT)","by 2002:a05:6512:1316:b0:44a:26d1:c72b with SMTP id\n\tx22-20020a056512131600b0044a26d1c72bmr1302340lfu.384.1648536849538;\n\tMon, 28 Mar 2022 23:54:09 -0700 (PDT)"],"X-Google-Smtp-Source":"ABdhPJxIPq7t8vzsqH8yV4XTMRSMPVzaft75ae5CZaDbAyRM9cNlSWTwv2vTH1U/UFjKGwYaGrYESk9zXrmz5H3v5TQ=","MIME-Version":"1.0","References":"<20220325092555.1799897-1-kieran.bingham@ideasonboard.com>\n\t<53297f16-f616-a456-966d-28f419d2f9f4@ideasonboard.com>","In-Reply-To":"<53297f16-f616-a456-966d-28f419d2f9f4@ideasonboard.com>","Date":"Tue, 29 Mar 2022 14:53:58 +0800","Message-ID":"","To":"Jean-Michel Hautbois ","X-Mimecast-Spam-Score":"0","X-Mimecast-Originator":"redhat.com","Content-Type":"text/plain; charset=\"UTF-8\"","Subject":"Re: [libcamera-devel] [PATCH v3 0/5] ipa: ipu3: af: Small\n\timprovements","X-BeenThere":"libcamera-devel@lists.libcamera.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","From":"Kate Hsuan via libcamera-devel ","Reply-To":"Kate Hsuan ","Cc":"libcamera devel ","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "}}]