CPU–GPU Parallel Framework for Real‐Time Interactive Cutting of Adaptive Octree‐Based Deformable Objects

Jia Shiyu; Zhang Weizhong; Yu Xiaokang; Pan Zhenkuan

摘要

Abstract >A software framework taking advantage of parallel processing capabilities of CPUs and GPUs is designed for the real‐time interactive cutting simulation of deformable objects. Deformable objects are modelled as voxels connected by links. The voxels are embedded in an octree mesh used for deformation. Cutting is performed by disconnecting links swept by the cutting tool and then adaptively refining octree elements near the cutting tool trajectory. A surface mesh used for visual display is reconstructed from disconnected links using the dual contour method. Spatial hashing of the octree mesh and topology‐aware interpolation of distance field are used for collision. Our framework uses a novel GPU implementation for inter‐object collision and object self collision, while tool‐object collision, cutting and deformation are assigned to CPU, using multiple threads whenever possible. A novel method that splits cutting operations into four independent tasks running in parallel is designed. Our framework also performs data transfers between CPU and GPU simultaneously with other tasks to reduce their impact on performances. Simulation tests show that when compared to three‐threaded CPU implementations, our GPU accelerated collision is 53–160% faster; and the overall simulation frame rate is 47–98% faster. </abstract> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> <div class="translation abstracttxt"> <span class="zhankaihshouqi fivelineshidden" id="abstract"> <span>机译：</span><Abstract Type =“Main”XML：Lang =“en”> <标题类型=“main”>抽象</ title> >利用CPU和GPU的并行处理能力的软件框架是为真实的可变形物体的时间交互式切割模拟。可变形对象被建模为通过链接连接的体素。体素嵌入于用于变形的Octree网格中。通过断开由切削工具扫除的链路然后自适应地改进切削刀具轨迹附近的八端元件来执行切割。使用双轮廓方法从断开链路重建用于可视显示的表面网格。距离网状物和拓扑传识内插的空间散列用于碰撞。我们的框架使用新颖的GPU实现进行对象间冲突和对象自碰撞，而在尽可能使用多个线程时将刀具对象冲突，切割和变形分配给CPU。一种新的方法，将切割操作分成并行运行的四个独立任务。我们的框架还与其他任务同时在CPU和GPU之间进行数据传输，以减少它们对性能的影响。仿真试验表明，与三螺纹CPU实现相比，我们的GPU加速碰撞速度快53-160％;而且整体仿真帧速率速度快47-98％。</ p> </ abstract> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> </div> <div class="record"> <h2 class="all_title" id="enpatent33" >著录项</h2> <ul> <li> <span class="lefttit">来源</span> <div style="width: 86%;vertical-align: text-top;display: inline-block;"> <a href='/journal-foreign-16902/'>《Computer Graphics Forum: Journal of the European Association for Computer Graphics》</a> <b style="margin: 0 2px;">|</b><span>2018年第1期</span><b style="margin: 0 2px;">|</b><span>共15页</span> </div> </li> <li> <div class="author"> <span class="lefttit">作者</span> <p id="fAuthorthree" class="threelineshidden zhankaihshouqi"> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Jia Shiyu&option=202" target="_blank" rel="nofollow">Jia Shiyu;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Zhang Weizhong&option=202" target="_blank" rel="nofollow">Zhang Weizhong;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Yu Xiaokang&option=202" target="_blank" rel="nofollow">Yu Xiaokang;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Pan Zhenkuan&option=202" target="_blank" rel="nofollow">Pan Zhenkuan;</a> </p> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zkzz" style="display: none;">展开▼</span> </div> </li> <li> <div style="display: flex;"> <span class="lefttit">作者单位</span> <div style="position: relative;margin-left: 3px;max-width: 639px;"> <div class="threelineshidden zhankaihshouqi" id="fOrgthree"> <p>College of Computer Science and TechnologyQingdao UniversityQingdao Shandong 266071 P. R. China;</p> <p>College of Computer Science and TechnologyQingdao UniversityQingdao Shandong 266071 P. R. China;</p> <p>College of Computer Science and TechnologyQingdao UniversityQingdao Shandong 266071 P. R. China;</p> <p>College of Computer Science and TechnologyQingdao UniversityQingdao Shandong 266071 P. R. China;</p> </div> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zhdw" style="display: none;">展开▼</span> </div> </div> </li> <li > <span class="lefttit">收录信息</span> <span style="width: 86%;vertical-align: text-top;display: inline-block;"></span> </li> <li> <span class="lefttit">原文格式</span> <span>PDF</span> </li> <li> <span class="lefttit">正文语种</span> <span>eng</span> </li> <li> <span class="lefttit">中图分类</span> <span><a href="https://www.zhangqiaokeyan.com/clc/7754.html" title="计算机的应用">计算机的应用;</a></span> </li> <li class="antistop"> <span class="lefttit">关键词</span> <p style="width: 86%;vertical-align: text-top;"> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=deformable object&option=203" rel="nofollow">deformable object;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=physics‐based modelling&option=203" rel="nofollow">physics‐based modelling;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=interactive cutting&option=203" rel="nofollow">interactive cutting;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=adaptive octree mesh&option=203" rel="nofollow">adaptive octree mesh;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=GPU acceleration&option=203" rel="nofollow">GPU acceleration;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=multi‐threading&option=203" rel="nofollow">multi‐threading;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Computing methodologies—Massively parallel and high‐performance simulations&option=203" rel="nofollow">Computing methodologies—Massively parallel and high‐performance simulations;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Physical simulation&option=203" rel="nofollow">Physical simulation;</a> </p> <div class="translation"> 机译：可变形物体;基于物理的建模;交互式切割;自适应Octree网格;GPU加速;多线程;计算方法 - 大规模平行和高性能模拟;物理模拟; </div> </li> </ul> </div> </div> <div class="literature cardcommon"> <div class="similarity "> <h3 class="all_title" id="enpatent66">相似文献</h3> <div class="similaritytab clearfix"> <ul> <li class="active" >外文文献</li> <li >中文文献</li> <li >专利</li> </ul> </div> <div class="similarity_details"> <ul > <li> <div> <b>1. </b><a class="enjiyixqcontent" href="/academic-journal-cn_chinese-journal-aeronautics_thesis/0201219821365.html">一个面向可变形模型实时有效的接触反馈框架</a> <b>[J]</b> . <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=薛喜梅&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">薛喜梅,</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=杨光&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">杨光,</a> <a 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XU Jing-Heng</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=徐敬蘅&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">,徐敬蘅</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=甘霖&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">,甘霖</a> <span> <a href="/conference-cn-4078/" target="_blank" rel="nofollow" class="tuijian_authcolor"> . 2014全国高性能计算学术年会 </a> <span> <span> . 2014</span> </span> </div> </li> <li> <div> <b>6. </b><a class="enjiyixqcontent" href="/academic-degree-domestic_mphd_thesis/020314905630.html">Terrain-VDR：基于Out-of-Core的交互式地形并行绘制框架</a> <b>[A] </b> <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=殷萍&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor"> . 殷萍</a> <span> . 2006</span> </span> </div> </li> </ul> <ul style="display: none;"> <li> <div> <b>1. </b><a class="enjiyixqcontent" href="/patent-detail/061204894011.html">基于CUDA并行计算框架的实时交互式裸眼3D显示方法</a> <b>[P]</b> . <span> 中国专利： CN108573521B </span> <span> . 2022.02.08</span> </div> </li> <li> <div> <b>2. </b><a class="enjiyixqcontent" href="/patent-detail/06120111088881.html">基于CUDA并行计算框架的实时交互式裸眼3D显示方法</a> <b>[P]</b> . <span> 中国专利： CN108573521A </span> <span> . 2018-09-25</span> </div> </li> <li> <div> <b>3. </b><a class="enjiyixqcontent" href="/patent-detail/06130417856249.html">Method of and system for time-division based parallelization of graphics processing units (GPUs) employing a hardware hub with router interfaced between the CPU and the GPUs for the transfer of geometric data and graphics commands and rendered pixel data within the system</a> <b>[P]</b> . <span> 外国专利：  US8629877B2 </span> <span> . 2014-01-14</span> </div> <p class="zwjiyix translation" style="max-width: initial;height: auto;word-break: break-all;white-space: initial;text-overflow: initial;overflow: initial;"> <span>机译：用于基于时分的图形处理单元（GPU）的并行化的方法和系统，其采用具有在CPU和GPU之间接口的路由器的硬件集线器，用于在系统内传输几何数据和图形命令以及渲染的像素数据 </span> </p> </li> <li> <div> <b>4. </b><a class="enjiyixqcontent" href="/patent-detail/06130428166184.html">PC-based computing system employing multiple graphics processing units (GPUS) interfaced with the central processing unit (CPU) using a PC bus and a hardware hub, and parallelized according to the object division mode of parallel operation</a> <b>[P]</b> . <span> 外国专利：  US7796130B2 </span> <span> . 2010-09-14</span> </div> <p class="zwjiyix translation" style="max-width: initial;height: auto;word-break: break-all;white-space: initial;text-overflow: initial;overflow: initial;"> <span>机译：基于PC的计算系统，该系统采用多个图形处理单元（GPUS），通过PC总线和硬件集线器与中央处理器（CPU）连接，并根据并行操作的对象划分模式进行并行化 </span> </p> </li> <li> <div> <b>5. </b><a class="enjiyixqcontent" href="/patent-detail/06130433031734.html">PC-based computing system employing multiple graphics processing units (GPUS) interfaced with the central processing unit (CPU) using a PC bus and a hardware hub, and parallelized according to the object division mode of parallel operation</a> <b>[P]</b> . <span> 外国专利：  US2008165184A1 </span> <span> . 2008-07-10</span> </div> <p class="zwjiyix translation" style="max-width: initial;height: auto;word-break: break-all;white-space: initial;text-overflow: initial;overflow: initial;"> <span>机译：基于PC的计算系统，该系统采用多个图形处理单元（GPUS），通过PC总线和硬件集线器与中央处理器（CPU）连接，并根据并行操作的对象划分模式进行并行化 </span> </p> </li> </ul> </div> </div> </div> <div class="theme cardcommon" style="overflow: auto;display:none"> <h3 class="all_title" id="enpatent55">相关主题</h3> <ul id="subject"> </ul> </div> </div> </div> </div> </div> <div id="thesis_get_original1" class="downloadBth" style="bottom: 19px;z-index: 999;" onclick="ywcd('0704022260275','4',7,2,1,'',this,24)" class="delivery" prompt="010401" title="通过人工服务将文献原文发送至邮箱" >获取原文</div> <div class="journalsub-pop-up" style="display: none"> <div class="journal-sub"> <h2>期刊订阅</h2> <img 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