{"id":19329,"url":"https://patchwork.libcamera.org/api/patches/19329/?format=json","web_url":"https://patchwork.libcamera.org/patch/19329/","project":{"id":1,"url":"https://patchwork.libcamera.org/api/projects/1/?format=json","name":"libcamera","link_name":"libcamera","list_id":"libcamera_core","list_email":"libcamera-devel@lists.libcamera.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<ZXt3I+osSMeuhXMr@duo.ucw.cz>","date":"2023-12-14T21:44:03","name":"[libcamera-devel] swisp performance notes was Re: [RFC] Add 8-bit bayer support.","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"8ff45729e8a13f08c2e379a16aec564b164387a8","submitter":{"id":49,"url":"https://patchwork.libcamera.org/api/people/49/?format=json","name":"Pavel Machek","email":"pavel@ucw.cz"},"delegate":null,"mbox":"https://patchwork.libcamera.org/patch/19329/mbox/","series":[{"id":4120,"url":"https://patchwork.libcamera.org/api/series/4120/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=4120","date":"2023-12-14T21:44:03","name":"[libcamera-devel] swisp performance notes was Re: [RFC] Add 8-bit bayer support.","version":1,"mbox":"https://patchwork.libcamera.org/series/4120/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/19329/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/19329/checks/","tags":{},"headers":{"Return-Path":"<libcamera-devel-bounces@lists.libcamera.org>","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 9005DC31E9\n\tfor <parsemail@patchwork.libcamera.org>;\n\tThu, 14 Dec 2023 21:44:06 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 01B6C62B33;\n\tThu, 14 Dec 2023 22:44:06 +0100 (CET)","from jabberwock.ucw.cz (jabberwock.ucw.cz [46.255.230.98])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id AD79262B2A\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tThu, 14 Dec 2023 22:44:04 +0100 (CET)","by jabberwock.ucw.cz (Postfix, from userid 1017)\n\tid 6BC671C006F; Thu, 14 Dec 2023 22:44:04 +0100 (CET)"],"DKIM-Signature":["v=1; a=rsa-sha256; c=relaxed/simple; d=libcamera.org;\n\ts=mail; t=1702590246;\n\tbh=FSTKHY0MpRYh7uxhKCX1jkAIPhqUlWILUtdbayQzAqc=;\n\th=Date:To:References:In-Reply-To:Subject:List-Id:List-Unsubscribe:\n\tList-Archive:List-Post:List-Help:List-Subscribe:From:Reply-To:\n\tFrom;\n\tb=EYdbNHWEc2FHz905KVkSIps7R8V295gTcnNMbIQ12eDIBqH1yES4/TzOBel2jcOnk\n\ti1X7G/q4WEjFCeNitfMbU5AbdZU0OfxLmlj3rVqX0SI4R5HxyXx7O8f+RZNYlYKgCO\n\tZ/m8zYCONyxTR+yQtjPGzex4fJOq2jl7YqMhlq2wjUGWn7cbjrkNZyS9EjYJEgD5Eu\n\t4VXZ+O02Z0Kye3hgfhCv5f06OJ0GtckDuEJm7t0JUGenXAar/EbqjWW5vnXTOe4wzR\n\t74isie3pzvzBdQ7wLALr5qBOFIpYUsL5jKLIbicABoHAiRbdb3bdUwVDxif9XutCjf\n\tF9A+3M0wb2noA==","v=1; a=rsa-sha256; c=relaxed/relaxed; d=ucw.cz; s=gen1;\n\tt=1702590244;\n\th=from:from:reply-to:subject:subject:date:date:message-id:message-id:\n\tto:to:cc:mime-version:mime-version:content-type:content-type:\n\tin-reply-to:in-reply-to:references:references;\n\tbh=nuhJDBE+W9kIUHejbUaJVGkzakdeuq2jjjmDYtW8FT4=;\n\tb=L65vHTnqLC/91YHLPKkgqxjujqj1rIhTeSPoYSWpJrsOZrrSFa9+nzsSMxmhBPjY7HxN5Y\n\t/vdRnE9WPhmdsJjLbAEtdqLL5ethLaQM9J9Q+VHW2xr44IDNA0Rhyls0w012oG0aeQTpCS\n\tu/43TKJQHe+2/wAFnzwna01odi6MQP0="],"Authentication-Results":"lancelot.ideasonboard.com; dkim=pass (1024-bit key; \n\tunprotected) header.d=ucw.cz header.i=@ucw.cz\n\theader.b=\"L65vHTnq\"; dkim-atps=neutral","Date":"Thu, 14 Dec 2023 22:44:03 +0100","To":"hdegoede@redhat.com, libcamera-devel@lists.libcamera.org","Message-ID":"<ZXt3I+osSMeuhXMr@duo.ucw.cz>","References":"<ZXt1mDW1SpMyLrbT@duo.ucw.cz>","MIME-Version":"1.0","Content-Type":"multipart/signed; micalg=pgp-sha1;\n\tprotocol=\"application/pgp-signature\"; boundary=\"YPciYlXmG4sq5PId\"","Content-Disposition":"inline","In-Reply-To":"<ZXt1mDW1SpMyLrbT@duo.ucw.cz>","Subject":"[libcamera-devel] swisp performance notes was Re: [RFC] Add 8-bit\n\tbayer support.","X-BeenThere":"libcamera-devel@lists.libcamera.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"<libcamera-devel.lists.libcamera.org>","List-Unsubscribe":"<https://lists.libcamera.org/options/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=unsubscribe>","List-Archive":"<https://lists.libcamera.org/pipermail/libcamera-devel/>","List-Post":"<mailto:libcamera-devel@lists.libcamera.org>","List-Help":"<mailto:libcamera-devel-request@lists.libcamera.org?subject=help>","List-Subscribe":"<https://lists.libcamera.org/listinfo/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=subscribe>","From":"Pavel Machek via libcamera-devel <libcamera-devel@lists.libcamera.org>","Reply-To":"Pavel Machek <pavel@ucw.cz>","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>"},"content":"Hi!\n\nSo... For some reason latest version uses full sensor resolution. That\ngave me 0.1 fps. If I copy image to cached memory (like below), I get\n~1 fps with -O0, and ~4 fps with optimalizations. (On pinephone).\n\n[9:26:04.598819548] [22455]  INFO Camera camera.cpp:1183 configuring streams: (0) 2584x1940-RGB888\ncam0: Capture until user interrupts by SIGINT\ncopy...5038848\nprocess...\ncopy...5038848\n33967.480079 (0.00 fps) cam0-stream0 seq: 000000 bytesused: 15038880\nprocess...\ncopy...5038848\n33967.652354 (5.80 fps) cam0-stream0 seq: 000001 bytesused: 15038880\nprocess...\ncopy...5038848\n33968.685997 (0.97 fps) cam0-stream0 seq: 000007 bytesused: 15038880\n\nYou may want to check if caching works for you. (Adjust that 7000.. number.)\n\nBest regards,\n\t\t\t\t\t\t\t\tPavel\n\ncommit 190d351eb3158c7d5f1eddd81b0a2aeedffaef9c\nAuthor: Pavel Machek <pavel@ucw.cz>\nDate:   Thu Dec 14 21:58:26 2023 +0100\n\n    Copy image to cached memory. This gives me more than 10x performance\n    improvement.","diff":"diff --git a/src/libcamera/software_isp/debayer_cpu.cpp b/src/libcamera/software_isp/debayer_cpu.cpp\nindex 52910a03..0b4bf7ff 100644\n--- a/src/libcamera/software_isp/debayer_cpu.cpp\n+++ b/src/libcamera/software_isp/debayer_cpu.cpp\n@@ -483,10 +483,27 @@ void DebayerCpu::process(FrameBuffer *input, FrameBuffer *output, DebayerParams\n \t\treturn;\n \t}\n \n+       const uint8_t *uncached_src = in.planes()[0].data();\n+       static uint8_t src[7000000];\n+       unsigned long size = in.planes()[0].size();\n+ \tif (size%8)\n+        \t printf(\"very bad size!\\n\");\n+\n+       printf(\"copy...%ld\\n\", size);\n+       (void) uncached_src;\n+\tif (1) {      \n+\t       unsigned int i;\n+\t       for (i=0; i<size/8; i++) {\n+\t               ((uint64_t *) src)[i] = ((uint64_t *) uncached_src)[i];\n+\t       }\n+\t}\n+       printf(\"process...\\n\");\n+       // debayer is \"free\" compared to the memcpy.\n+\n \tif (inputConfig_.patternSize.height == 2)\n-\t\tprocess2(in.planes()[0].data(), out.planes()[0].data());\n+\t\tprocess2(src, out.planes()[0].data());\n \telse\n-\t\tprocess4(in.planes()[0].data(), out.planes()[0].data());\n+\t\tprocess4(src, out.planes()[0].data());\n \n \tmetadata.planes()[0].bytesused = out.planes()[0].size();\n \n","prefixes":["libcamera-devel"]}