{"users":[{"id":14,"username":"Alice","name":"Alice","avatar_template":"/user_avatar/forum.spacemit.com/alice/{size}/69_2.png","primary_group_name":"RISC-V_moderator","flair_name":"RISC-V_moderator","flair_group_id":43,"admin":true,"moderator":true,"trust_level":2},{"id":72,"username":"David","name":"David","avatar_template":"/user_avatar/forum.spacemit.com/david/{size}/329_2.png","trust_level":2},{"id":524,"username":"allgossm","name":"allgossm","avatar_template":"/letter_avatar_proxy/v4/letter/a/ecccb3/{size}.png","trust_level":0},{"id":16,"username":"henry","name":"henry","avatar_template":"/letter_avatar_proxy/v4/letter/h/df705f/{size}.png","trust_level":2},{"id":30,"username":"donny-Xu","name":"donny-Xu","avatar_template":"/letter_avatar_proxy/v4/letter/d/82dd89/{size}.png","trust_level":1},{"id":515,"username":"lzz","name":"lzz","avatar_template":"/letter_avatar_proxy/v4/letter/l/439d5e/{size}.png","trust_level":0},{"id":487,"username":"1781102693","name":"1781102693","avatar_template":"/letter_avatar_proxy/v4/letter/1/3da27b/{size}.png","trust_level":0},{"id":76,"username":"meng","name":"meng","avatar_template":"/letter_avatar_proxy/v4/letter/m/2acd7d/{size}.png","trust_level":1},{"id":23,"username":"Anju","name":"Anju","avatar_template":"/user_avatar/forum.spacemit.com/anju/{size}/120_2.png","primary_group_name":"K1_moderator","flair_name":"K1_moderator","flair_group_id":41,"moderator":true,"trust_level":1},{"id":375,"username":"1773816318","name":"1773816318","avatar_template":"/letter_avatar_proxy/v4/letter/1/f07891/{size}.png","trust_level":0},{"id":303,"username":"1748703932","name":"1748703932","avatar_template":"/letter_avatar_proxy/v4/letter/1/c57346/{size}.png","trust_level":0},{"id":115,"username":"hgb8432","name":"hgb8432","avatar_template":"/letter_avatar_proxy/v4/letter/h/76d3ee/{size}.png","trust_level":1},{"id":493,"username":"Oveln","name":"Oveln","avatar_template":"/letter_avatar_proxy/v4/letter/o/9de0a6/{size}.png","trust_level":0},{"id":327,"username":"BiwefC","name":"BiwefC","avatar_template":"/letter_avatar_proxy/v4/letter/b/848f3c/{size}.png","trust_level":0},{"id":325,"username":"joejiong","name":"joejiong","avatar_template":"/letter_avatar_proxy/v4/letter/j/ccd318/{size}.png","trust_level":1},{"id":162,"username":"damonyu","name":"damonyu","avatar_template":"/letter_avatar_proxy/v4/letter/d/ed655f/{size}.png","trust_level":1},{"id":120,"username":"riple","name":"riple","avatar_template":"/letter_avatar_proxy/v4/letter/r/e95f7d/{size}.png","trust_level":2},{"id":103,"username":"alexhuang","name":"alexhuang","avatar_template":"/user_avatar/forum.spacemit.com/alexhuang/{size}/221_2.png","trust_level":2},{"id":442,"username":"sudoer","name":"sudoer","avatar_template":"/letter_avatar_proxy/v4/letter/s/df705f/{size}.png","trust_level":1},{"id":478,"username":"ShYy","name":"ShYy","avatar_template":"/letter_avatar_proxy/v4/letter/s/df788c/{size}.png","trust_level":0},{"id":511,"username":"chenzhaoqi","name":"chenzhaoqi","avatar_template":"/letter_avatar_proxy/v4/letter/c/4491bb/{size}.png","trust_level":1},{"id":64,"username":"John","name":"john","avatar_template":"/letter_avatar_proxy/v4/letter/j/a3d4f5/{size}.png","trust_level":1},{"id":266,"username":"EddleYin","name":"EddleYin","avatar_template":"/letter_avatar_proxy/v4/letter/e/6bbea6/{size}.png","trust_level":1},{"id":185,"username":"icenowy","name":"icenowy","avatar_template":"/user_avatar/forum.spacemit.com/icenowy/{size}/408_2.png","trust_level":1},{"id":502,"username":"1782140327","name":"1782140327","avatar_template":"/letter_avatar_proxy/v4/letter/1/eb9ed0/{size}.png","trust_level":1},{"id":224,"username":"luberapple","name":"luberapple","avatar_template":"/letter_avatar_proxy/v4/letter/l/f17d59/{size}.png","trust_level":0},{"id":496,"username":"liangzhen","name":"liangzhen","avatar_template":"/letter_avatar_proxy/v4/letter/l/958977/{size}.png","trust_level":1},{"id":485,"username":"1761226976","name":"1761226976","avatar_template":"/letter_avatar_proxy/v4/letter/1/46a35a/{size}.png","trust_level":1},{"id":446,"username":"1779071463","name":"1779071463","avatar_template":"/letter_avatar_proxy/v4/letter/1/e5b9ba/{size}.png","trust_level":1},{"id":167,"username":"beautiful_doggie","name":"beautiful_doggie","avatar_template":"/letter_avatar_proxy/v4/letter/b/3d9bf3/{size}.png","admin":true,"trust_level":4},{"id":497,"username":"heiyiyihu","name":"heiyiyihu","avatar_template":"/letter_avatar_proxy/v4/letter/h/958977/{size}.png","trust_level":1},{"id":440,"username":"1778749559","name":"1778749559","avatar_template":"/letter_avatar_proxy/v4/letter/1/f9ae1b/{size}.png","trust_level":1},{"id":461,"username":"1779701366","name":"1779701366","avatar_template":"/letter_avatar_proxy/v4/letter/1/e9a140/{size}.png","trust_level":0},{"id":491,"username":"1780499249","name":"1780499249","avatar_template":"/letter_avatar_proxy/v4/letter/1/7bcc69/{size}.png","trust_level":0},{"id":486,"username":"1781077173","name":"1781077173","avatar_template":"/letter_avatar_proxy/v4/letter/1/bc8723/{size}.png","trust_level":0},{"id":482,"username":"Vesper","name":"Vesper","avatar_template":"/letter_avatar_proxy/v4/letter/v/c68b51/{size}.png","trust_level":1},{"id":173,"username":"Sterling-Ash","name":"Sterling-Ash","avatar_template":"/letter_avatar_proxy/v4/letter/s/ecc23a/{size}.png","trust_level":1},{"id":134,"username":"weifeng","name":"weifeng","avatar_template":"/user_avatar/forum.spacemit.com/weifeng/{size}/349_2.png","trust_level":1},{"id":209,"username":"YooLc","name":"YooLc","avatar_template":"/user_avatar/forum.spacemit.com/yoolc/{size}/520_2.png","trust_level":2}],"primary_groups":[{"id":43,"name":"RISC-V_moderator"},{"id":41,"name":"K1_moderator"}],"flair_groups":[{"id":43,"name":"RISC-V_moderator","flair_url":null,"flair_bg_color":"","flair_color":""},{"id":41,"name":"K1_moderator","flair_url":null,"flair_bg_color":"","flair_color":""}],"topic_list":{"can_create_topic":false,"more_topics_url":"/c/25-category/25?page=1","per_page":30,"top_tags":["求助答疑","操作系统","公告","ai","cpu","产品资讯","bianbu","pcie","应用开发","电源管理","gpu","risc-v指令集","摄像头","编解码","音频"],"topics":[{"id":924,"title":"K3 是全球首颗 RVA23 标准的 AI CPU","fancy_title":"K3 是全球首颗 RVA23 标准的 AI CPU","slug":"topic","posts_count":2,"reply_count":0,"highest_post_number":2,"image_url":null,"created_at":"2026-01-27T07:31:08.697Z","last_posted_at":"2026-02-11T07:57:05.472Z","bumped":true,"bumped_at":"2026-02-11T07:57:05.472Z","archetype":"regular","unseen":false,"pinned":true,"unpinned":null,"excerpt":"K3 是全球首颗 RVA23 标准的 AI CPU \nSpacemiT Key Stone K3 系列芯片采用 RISC-V 同构融合计算技术，集成进迭时空自研的 8 个高性能计算大核 X100 及 8 个超宽并行计算 AI 核 A100，&hellip;","visible":true,"closed":false,"archived":false,"bookmarked":null,"liked":null,"tags":[],"tags_descriptions":{},"views":593,"like_count":4,"has_summary":false,"last_poster_username":"David","category_id":25,"pinned_globally":false,"featured_link":null,"posters":[{"extras":null,"description":"Original Poster","user_id":14,"primary_group_id":43,"flair_group_id":43},{"extras":"latest","description":"Most Recent Poster","user_id":72,"primary_group_id":null,"flair_group_id":null}]},{"id":1465,"title":"K3 JPEG编码","fancy_title":"K3 JPEG编码","slug":"topic","posts_count":3,"reply_count":0,"highest_post_number":3,"image_url":null,"created_at":"2026-07-14T03:30:06.588Z","last_posted_at":"2026-07-14T10:57:53.560Z","bumped":true,"bumped_at":"2026-07-14T10:57:53.560Z","archetype":"regular","unseen":false,"pinned":false,"unpinned":null,"excerpt":"请问K3 JPEG编码的支持情况，性能与功能参数是怎么样的","visible":true,"closed":false,"archived":false,"bookmarked":null,"liked":null,"tags":["编解码"],"tags_descriptions":{},"views":22,"like_count":0,"has_summary":false,"last_poster_username":"allgossm","category_id":25,"pinned_globally":false,"featured_link":null,"posters":[{"extras":"latest","description":"Original Poster, Most Recent Poster","user_id":524,"primary_group_id":null,"flair_group_id":null},{"extras":null,"description":"Frequent Poster","user_id":16,"primary_group_id":null,"flair_group_id":null}]},{"id":1464,"title":"K3摄像头","fancy_title":"K3摄像头","slug":"topic","posts_count":3,"reply_count":0,"highest_post_number":3,"image_url":null,"created_at":"2026-07-13T04:05:36.333Z","last_posted_at":"2026-07-13T09:24:48.865Z","bumped":true,"bumped_at":"2026-07-13T09:24:48.865Z","archetype":"regular","unseen":false,"pinned":false,"unpinned":null,"excerpt":"是否有K3适配过摄像头的列表","visible":true,"closed":false,"archived":false,"bookmarked":null,"liked":null,"tags":["摄像头"],"tags_descriptions":{},"views":31,"like_count":0,"has_summary":false,"last_poster_username":"allgossm","category_id":25,"pinned_globally":false,"featured_link":null,"posters":[{"extras":"latest","description":"Original Poster, Most Recent Poster","user_id":524,"primary_group_id":null,"flair_group_id":null},{"extras":null,"description":"Frequent Poster","user_id":30,"primary_group_id":null,"flair_group_id":null}]},{"id":1425,"title":"K3 CoM260 Kit MIPI CSI 2+2+4模式硬件配置","fancy_title":"K3 CoM260 Kit MIPI CSI 2+2+4模式硬件配置","slug":"topic","posts_count":5,"reply_count":2,"highest_post_number":5,"image_url":null,"created_at":"2026-07-03T03:15:31.346Z","last_posted_at":"2026-07-09T06:17:42.772Z","bumped":true,"bumped_at":"2026-07-09T06:17:42.772Z","archetype":"regular","unseen":false,"pinned":false,"unpinned":null,"excerpt":"你好，我看到K3 CoM260 Kit 规格中有这样的描述： \nMIPI 接口  1 路 2-lane MIPI DSI FPC 接口；2 路 4-lane MIPI CSI FPC 接口，支持“4+4”“4+2+2”或“2+2+2+2”组&hellip;","visible":true,"closed":false,"archived":false,"bookmarked":null,"liked":null,"tags":["求助答疑"],"tags_descriptions":{},"views":54,"like_count":0,"has_summary":false,"last_poster_username":"donny-Xu","category_id":25,"pinned_globally":false,"featured_link":null,"posters":[{"extras":null,"description":"Original Poster","user_id":515,"primary_group_id":null,"flair_group_id":null},{"extras":"latest","description":"Most Recent Poster","user_id":30,"primary_group_id":null,"flair_group_id":null}]},{"id":1314,"title":"Low bandwidth on STREAM","fancy_title":"Low bandwidth on STREAM","slug":"topic","posts_count":2,"reply_count":0,"highest_post_number":2,"image_url":"https://forum.spacemit.com/uploads/default/optimized/2X/9/9eff8144c3b5a54281fb63ee9f5ccd0eaaac5215_2_1024x512.png","created_at":"2026-06-11T08:34:36.878Z","last_posted_at":"2026-07-07T08:15:53.607Z","bumped":true,"bumped_at":"2026-07-07T08:15:53.607Z","archetype":"regular","unseen":false,"pinned":false,"unpinned":null,"excerpt":"Hi, all \nSorry for my English, unfortunately I still don’t know Chinese. \nI’ve got my SpacemiT K3 Pico ITX board. \nI run&hellip;","visible":true,"closed":false,"archived":false,"bookmarked":null,"liked":null,"tags":[],"tags_descriptions":{},"views":71,"like_count":0,"has_summary":false,"last_poster_username":"meng","category_id":25,"pinned_globally":false,"featured_link":null,"posters":[{"extras":null,"description":"Original Poster","user_id":487,"primary_group_id":null,"flair_group_id":null},{"extras":"latest","description":"Most Recent Poster","user_id":76,"primary_group_id":null,"flair_group_id":null}]},{"id":970,"title":"K3 系列硬件使用指南（K3 Pico-ITX）","fancy_title":"K3 系列硬件使用指南（K3 Pico-ITX）","slug":"topic","posts_count":6,"reply_count":1,"highest_post_number":6,"image_url":"https://forum.spacemit.com/uploads/default/optimized/1X/37578d225c067da327b3074958e4d3713dbfe608_2_1024x723.jpeg","created_at":"2026-02-13T02:49:31.377Z","last_posted_at":"2026-07-07T07:52:06.893Z","bumped":true,"bumped_at":"2026-07-07T07:52:06.893Z","archetype":"regular","unseen":false,"pinned":false,"unpinned":null,"excerpt":"K3 Pico-ITX 用户使用指南【开发中】\n1. 产品简介\nK3 Pico-ITX 为 60TOPS 算力的单板计算机，采用 8 计算核和 8 智算核统一内存架构，板载 UFS 高速硬盘和万兆网络光通讯接口，充分释放算力性能，提高科学计&hellip;","visible":true,"closed":false,"archived":false,"bookmarked":null,"liked":null,"tags":["公告","产品资讯"],"tags_descriptions":{},"views":947,"like_count":1,"has_summary":false,"last_poster_username":"henry","category_id":25,"pinned_globally":false,"featured_link":null,"posters":[{"extras":null,"description":"Original Poster","user_id":23,"primary_group_id":41,"flair_group_id":41},{"extras":null,"description":"Frequent Poster","user_id":375,"primary_group_id":null,"flair_group_id":null},{"extras":null,"description":"Frequent Poster","user_id":303,"primary_group_id":null,"flair_group_id":null},{"extras":null,"description":"Frequent Poster","user_id":115,"primary_group_id":null,"flair_group_id":null},{"extras":"latest","description":"Most Recent Poster","user_id":16,"primary_group_id":null,"flair_group_id":null}]},{"id":1329,"title":"RT24核心的CLINT在哪？","fancy_title":"RT24核心的CLINT在哪？","slug":"topic","posts_count":2,"reply_count":0,"highest_post_number":2,"image_url":null,"created_at":"2026-06-16T02:06:47.101Z","last_posted_at":"2026-07-07T06:30:49.591Z","bumped":true,"bumped_at":"2026-07-07T06:30:49.591Z","archetype":"regular","unseen":false,"pinned":false,"unpinned":null,"excerpt":"想在rt24上跑rtos，要用到msip，但是手册中没找到相关描述","visible":true,"closed":false,"archived":false,"bookmarked":null,"liked":null,"tags":[],"tags_descriptions":{},"views":43,"like_count":0,"has_summary":false,"last_poster_username":"henry","category_id":25,"pinned_globally":false,"featured_link":null,"posters":[{"extras":null,"description":"Original Poster","user_id":493,"primary_group_id":null,"flair_group_id":null},{"extras":"latest","description":"Most Recent Poster","user_id":16,"primary_group_id":null,"flair_group_id":null}]},{"id":935,"title":"[论文] SpacemiT K3: A RVA23 RISC-V AI CPU with 60 TOPS AI Compute","fancy_title":"[论文] SpacemiT K3: A RVA23 RISC-V AI CPU with 60 TOPS AI Compute","slug":"topic","posts_count":7,"reply_count":2,"highest_post_number":8,"image_url":null,"created_at":"2026-01-29T13:27:22.515Z","last_posted_at":"2026-06-30T12:51:41.533Z","bumped":true,"bumped_at":"2026-06-30T12:51:41.533Z","archetype":"regular","unseen":false,"pinned":false,"unpinned":null,"excerpt":"K3 论文的先导版出来啦~ \n论文里详细介绍了我们 X100, A100 以及整个 K3 的设计思想。论文也在持续更新的过程中~ \nk3.pdf (2.2 MB) \n在这里，也还是要感谢 RISC-V 的开放生态，正是有了 RISC-V 的&hellip;","visible":true,"closed":false,"archived":false,"bookmarked":null,"liked":null,"tags":[],"tags_descriptions":{},"views":903,"like_count":6,"has_summary":false,"last_poster_username":"alexhuang","category_id":25,"pinned_globally":false,"featured_link":null,"posters":[{"extras":null,"description":"Original Poster","user_id":327,"primary_group_id":null,"flair_group_id":null},{"extras":null,"description":"Frequent Poster","user_id":325,"primary_group_id":null,"flair_group_id":null},{"extras":null,"description":"Frequent Poster","user_id":162,"primary_group_id":null,"flair_group_id":null},{"extras":null,"description":"Frequent Poster","user_id":120,"primary_group_id":null,"flair_group_id":null},{"extras":"latest","description":"Most Recent Poster","user_id":103,"primary_group_id":null,"flair_group_id":null}]},{"id":1405,"title":"K3 FFmpeg stcodec 编码器参数失效问题","fancy_title":"K3 FFmpeg stcodec 编码器参数失效问题","slug":"topic","posts_count":2,"reply_count":0,"highest_post_number":2,"image_url":null,"created_at":"2026-06-28T16:06:40.514Z","last_posted_at":"2026-06-29T13:17:46.133Z","bumped":true,"bumped_at":"2026-06-29T13:17:46.133Z","archetype":"regular","unseen":false,"pinned":false,"unpinned":null,"excerpt":"K3上的ffmpeg命令行参数无效 \n环境信息\n\n\n\n\n项目\n值\n\n\n\n\n板卡\nK3 Pico-ITX (SpacemiT)\n\n\n系统\nBianbu 4.0.1 (Resolute Raccoon)\n\n\n内核\n6.18.3-generic &hellip;","visible":true,"closed":false,"archived":false,"bookmarked":null,"liked":null,"tags":[],"tags_descriptions":{},"views":38,"like_count":0,"has_summary":false,"last_poster_username":"meng","category_id":25,"pinned_globally":false,"featured_link":null,"posters":[{"extras":null,"description":"Original Poster","user_id":442,"primary_group_id":null,"flair_group_id":null},{"extras":"latest","description":"Most Recent Poster","user_id":76,"primary_group_id":null,"flair_group_id":null}]},{"id":1305,"title":"K3 AI文档中提到的其他数学库的获取方式以及构建和应用编译","fancy_title":"K3 AI文档中提到的其他数学库的获取方式以及构建和应用编译","slug":"topic","posts_count":2,"reply_count":0,"highest_post_number":2,"image_url":null,"created_at":"2026-06-09T10:47:18.638Z","last_posted_at":"2026-06-29T10:04:55.169Z","bumped":true,"bumped_at":"2026-06-29T10:04:55.169Z","archetype":"regular","unseen":false,"pinned":false,"unpinned":null,"excerpt":"文档页面【文档中心 - AI/ - 计算软件栈 - 其他数学库】：SpacemiT \n\n\n请问该页中提到的由SpacemiT维护的OpenBLAS和SLEEF在哪里获取？ \n当前标注为【TODO: 补充具体的发布获取链接或途径】。 \n\n\n文&hellip;","visible":true,"closed":false,"archived":false,"bookmarked":null,"liked":null,"tags":["求助答疑"],"tags_descriptions":{},"views":40,"like_count":0,"has_summary":false,"last_poster_username":"chenzhaoqi","category_id":25,"pinned_globally":false,"featured_link":null,"posters":[{"extras":null,"description":"Original Poster","user_id":478,"primary_group_id":null,"flair_group_id":null},{"extras":"latest","description":"Most Recent Poster","user_id":511,"primary_group_id":null,"flair_group_id":null}]},{"id":1401,"title":"编译报错和源码bug问题（配置摄像头驱动、GPU、DP显示、USB、IP网络、CPU idle、DMA））","fancy_title":"编译报错和源码bug问题（配置摄像头驱动、GPU、DP显示、USB、IP网络、CPU idle、DMA））","slug":"topic","posts_count":2,"reply_count":0,"highest_post_number":2,"image_url":null,"created_at":"2026-06-24T09:33:17.422Z","last_posted_at":"2026-06-28T02:02:40.084Z","bumped":true,"bumped_at":"2026-06-28T02:02:40.084Z","archetype":"regular","unseen":false,"pinned":false,"unpinned":null,"excerpt":"【环境】虚拟机 Ubuntu 22.04 \n【硬件】K3 COMKIT260 \n【测试目的】 配置和编译Bianbu操作系统，支持使用K3开发板连接摄像头，采集视频，并运行多目标检测、识别和目标跟踪，检验AI SDK。 \n【过程】在虚拟机上&hellip;","visible":true,"closed":false,"archived":false,"bookmarked":null,"liked":null,"tags":["求助答疑"],"tags_descriptions":{},"views":44,"like_count":1,"has_summary":false,"last_poster_username":"John","category_id":25,"pinned_globally":false,"featured_link":null,"posters":[{"extras":"latest single","description":"Original Poster, Most Recent Poster","user_id":64,"primary_group_id":null,"flair_group_id":null}]},{"id":1286,"title":"K3的GPU是短板","fancy_title":"K3的GPU是短板","slug":"topic","posts_count":7,"reply_count":4,"highest_post_number":7,"image_url":null,"created_at":"2026-06-05T23:46:39.212Z","last_posted_at":"2026-06-23T06:41:27.472Z","bumped":true,"bumped_at":"2026-06-23T06:41:27.472Z","archetype":"regular","unseen":false,"pinned":false,"unpinned":null,"excerpt":"有2个问题： \n\n\n\nGPU缺少updateafterbind,导致GPU和K3的A100核无法实现系统内存数据零拷贝 \n\n\n\nGPU是TBDR架构，导致GPU纹理无法实现零拷贝","visible":true,"closed":false,"archived":false,"bookmarked":null,"liked":null,"tags":[],"tags_descriptions":{},"views":177,"like_count":1,"has_summary":false,"last_poster_username":"1782140327","category_id":25,"pinned_globally":false,"featured_link":null,"posters":[{"extras":null,"description":"Original Poster","user_id":266,"primary_group_id":null,"flair_group_id":null},{"extras":null,"description":"Frequent Poster","user_id":185,"primary_group_id":null,"flair_group_id":null},{"extras":"latest","description":"Most Recent Poster","user_id":502,"primary_group_id":null,"flair_group_id":null}]},{"id":1345,"title":"【救命求助】K3 openocd连接一直失败","fancy_title":"【救命求助】K3 openocd连接一直失败","slug":"topic","posts_count":6,"reply_count":3,"highest_post_number":6,"image_url":"https://forum.spacemit.com/uploads/default/optimized/2X/3/34cc445a2cb6c391d47abdb84ad44d9ff0771d29_2_768x1024.jpeg","created_at":"2026-06-18T09:18:43.788Z","last_posted_at":"2026-06-23T01:28:27.019Z","bumped":true,"bumped_at":"2026-06-23T01:28:27.019Z","archetype":"regular","unseen":false,"pinned":false,"unpinned":null,"excerpt":"参考文档链接 \nSpacemiT \n\n\n按照文档去掉J-Link跳线帽。 \n  \n\n\nLinux系统。拷贝60-openocd.rules到/etc/udev/rules.d并刷新udev规则。 \n\n\n运行脚本k3.sh，连接失败；运行&hellip;","visible":true,"closed":false,"archived":false,"bookmarked":null,"liked":null,"tags":["求助答疑"],"tags_descriptions":{},"views":99,"like_count":0,"has_summary":false,"last_poster_username":"liangzhen","category_id":25,"pinned_globally":false,"featured_link":null,"posters":[{"extras":null,"description":"Original Poster","user_id":224,"primary_group_id":null,"flair_group_id":null},{"extras":"latest","description":"Most Recent Poster","user_id":496,"primary_group_id":null,"flair_group_id":null}]},{"id":1307,"title":"K3 平台 Perfetto 性能分析指南","fancy_title":"K3 平台 Perfetto 性能分析指南","slug":"topic","posts_count":3,"reply_count":1,"highest_post_number":3,"image_url":null,"created_at":"2026-06-09T19:28:29.008Z","last_posted_at":"2026-06-17T15:36:30.956Z","bumped":true,"bumped_at":"2026-06-17T15:36:30.956Z","archetype":"regular","unseen":false,"pinned":false,"unpinned":null,"excerpt":"K3 平台 Perfetto 性能分析\n  全系统 Trace 使能指南\n  Spacemit RISC-V 64-bit  |  Bianbu 4.0.1  |  Kernel 6.18.3+  |  Perfetto v49.&hellip;","visible":true,"closed":false,"archived":false,"bookmarked":null,"liked":null,"tags":["操作系统","bianbu"],"tags_descriptions":{},"views":121,"like_count":1,"has_summary":false,"last_poster_username":"1761226976","category_id":25,"pinned_globally":false,"featured_link":null,"posters":[{"extras":"latest","description":"Original Poster, Most Recent Poster","user_id":485,"primary_group_id":null,"flair_group_id":null},{"extras":null,"description":"Frequent Poster","user_id":496,"primary_group_id":null,"flair_group_id":null}]},{"id":1210,"title":"K3开发板烧录uefi镜像问题","fancy_title":"K3开发板烧录uefi镜像问题","slug":"topic","posts_count":4,"reply_count":1,"highest_post_number":4,"image_url":null,"created_at":"2026-05-18T02:33:12.260Z","last_posted_at":"2026-06-17T11:28:32.238Z","bumped":true,"bumped_at":"2026-06-17T11:28:32.238Z","archetype":"regular","unseen":false,"pinned":false,"unpinned":null,"excerpt":"[info] ---》Start flashing the device\n\n[info] 执行 fastboot getvar version-brom\n\n[info] 1.0\n\n[info] 执行 fastboot stage facto&hellip;","visible":true,"closed":false,"archived":false,"bookmarked":null,"liked":null,"tags":["求助答疑","操作系统"],"tags_descriptions":{},"views":143,"like_count":0,"has_summary":false,"last_poster_username":"heiyiyihu","category_id":25,"pinned_globally":false,"featured_link":null,"posters":[{"extras":null,"description":"Original Poster","user_id":446,"primary_group_id":null,"flair_group_id":null},{"extras":null,"description":"Frequent Poster","user_id":167,"primary_group_id":null,"flair_group_id":null},{"extras":"latest","description":"Most Recent Poster","user_id":497,"primary_group_id":null,"flair_group_id":null}]},{"id":1332,"title":"spine triron编译器的一个设计缺陷","fancy_title":"spine triron编译器的一个设计缺陷","slug":"topic","posts_count":1,"reply_count":0,"highest_post_number":1,"image_url":null,"created_at":"2026-06-16T11:58:08.800Z","last_posted_at":"2026-06-16T11:58:08.861Z","bumped":true,"bumped_at":"2026-06-16T11:58:08.861Z","archetype":"regular","unseen":false,"pinned":false,"unpinned":null,"excerpt":"编译器对所有 make_block_ptr 做一刀切检查，没有区分&quot;这个 tensor 是否需要完全驻留在 Scratchpad 上。 \n如果要改，需要做两件事： \n\n\n修改编译器的 MAX_TENSOR_NUMEL 检查，让它区分&quot;til&hellip;","visible":true,"closed":false,"archived":false,"bookmarked":null,"liked":null,"tags":[],"tags_descriptions":{},"views":26,"like_count":0,"has_summary":false,"last_poster_username":"EddleYin","category_id":25,"pinned_globally":false,"featured_link":null,"posters":[{"extras":"latest single","description":"Original Poster, Most Recent Poster","user_id":266,"primary_group_id":null,"flair_group_id":null}]},{"id":1190,"title":"K3 音量太小，拔插外接 音频线，会导致显示器 黑屏 闪缩一下","fancy_title":"K3 音量太小，拔插外接 音频线，会导致显示器 黑屏 闪缩一下","slug":"topic","posts_count":7,"reply_count":5,"highest_post_number":8,"image_url":null,"created_at":"2026-05-14T09:16:15.070Z","last_posted_at":"2026-06-15T09:37:20.165Z","bumped":true,"bumped_at":"2026-06-15T09:37:20.165Z","archetype":"regular","unseen":false,"pinned":false,"unpinned":null,"excerpt":"两个问题： \n一个是音量输出较小，在 bianbu 操作系统里面已经将音量调整到了最大， 外接音箱音量按钮调整到最大，声音还是比较小。 \n二： \n我是用的扩展坞连接的 HDMI 显示器，在拔插外接音频线的时候，显示器会黑屏闪烁一下。 \n声卡&hellip;","visible":true,"closed":false,"archived":false,"bookmarked":null,"liked":null,"tags":["音频"],"tags_descriptions":{},"views":127,"like_count":0,"has_summary":false,"last_poster_username":"1778749559","category_id":25,"pinned_globally":false,"featured_link":null,"posters":[{"extras":"latest","description":"Original Poster, Most Recent Poster","user_id":440,"primary_group_id":null,"flair_group_id":null},{"extras":null,"description":"Frequent Poster","user_id":461,"primary_group_id":null,"flair_group_id":null}]},{"id":983,"title":"K3 系列硬件使用指南（K3 CoM260 Kit套装）","fancy_title":"K3 系列硬件使用指南（K3 CoM260 Kit套装）","slug":"topic","posts_count":8,"reply_count":1,"highest_post_number":8,"image_url":"https://forum.spacemit.com/uploads/default/optimized/1X/c4dbd058928a72e7bc588538b65bb78f744ab5cf_2_1024x626.png","created_at":"2026-02-25T06:48:33.700Z","last_posted_at":"2026-06-15T06:53:51.564Z","bumped":true,"bumped_at":"2026-06-15T06:53:51.564Z","archetype":"regular","unseen":false,"pinned":false,"unpinned":null,"excerpt":"K3-CoM260参考方案框图【开发中】 \n3.1. 参考方案框图 \nK3-CoM260系统采用K3芯片，P1 PMIC+外挂DCDC的供电方案；DRAM采用2x LPDDR5、UFS2.2；外设接口包括7 lanes PCIe3.0 、 &hellip;","visible":true,"closed":false,"archived":false,"bookmarked":null,"liked":null,"tags":["公告","产品资讯"],"tags_descriptions":{},"views":618,"like_count":0,"has_summary":false,"last_poster_username":"beautiful_doggie","category_id":25,"pinned_globally":false,"featured_link":null,"posters":[{"extras":null,"description":"Original Poster","user_id":23,"primary_group_id":41,"flair_group_id":41},{"extras":null,"description":"Frequent Poster","user_id":491,"primary_group_id":null,"flair_group_id":null},{"extras":"latest","description":"Most Recent Poster","user_id":167,"primary_group_id":null,"flair_group_id":null}]},{"id":1310,"title":"AI 核(A100) 可以分配给 KVM 虚拟机使用吗？","fancy_title":"AI 核(A100) 可以分配给 KVM 虚拟机使用吗？","slug":"topic","posts_count":4,"reply_count":2,"highest_post_number":4,"image_url":null,"created_at":"2026-06-10T07:42:35.163Z","last_posted_at":"2026-06-12T06:10:11.741Z","bumped":true,"bumped_at":"2026-06-12T06:10:11.741Z","archetype":"regular","unseen":false,"pinned":false,"unpinned":null,"excerpt":"AI 核心是否可以分配给 Guest 来进行计算加速，还是只能在 Host Linux 上使用呢","visible":true,"closed":false,"archived":false,"bookmarked":null,"liked":null,"tags":["操作系统","cpu","risc-v指令集"],"tags_descriptions":{},"views":70,"like_count":1,"has_summary":false,"last_poster_username":"beautiful_doggie","category_id":25,"pinned_globally":false,"featured_link":null,"posters":[{"extras":null,"description":"Original Poster","user_id":486,"primary_group_id":null,"flair_group_id":null},{"extras":"latest","description":"Most Recent Poster","user_id":167,"primary_group_id":null,"flair_group_id":null}]},{"id":1320,"title":"发现SpaceMIT EP 编译器的一个缺点","fancy_title":"发现SpaceMIT EP 编译器的一个缺点","slug":"topic","posts_count":1,"reply_count":0,"highest_post_number":1,"image_url":null,"created_at":"2026-06-12T06:06:39.312Z","last_posted_at":"2026-06-12T06:06:39.379Z","bumped":true,"bumped_at":"2026-06-12T06:06:39.379Z","archetype":"regular","unseen":false,"pinned":false,"unpinned":null,"excerpt":"SpaceMIT EP 编译器对大 K 维 GEMM（K=540×960×3≈1.5M）的分块策略低效，每个 Conv 的 GEMM 被拆成多次调用","visible":true,"closed":false,"archived":false,"bookmarked":null,"liked":null,"tags":[],"tags_descriptions":{},"views":30,"like_count":0,"has_summary":false,"last_poster_username":"EddleYin","category_id":25,"pinned_globally":false,"featured_link":null,"posters":[{"extras":"latest single","description":"Original Poster, Most Recent Poster","user_id":266,"primary_group_id":null,"flair_group_id":null}]},{"id":1311,"title":"K3 中的 A100 核心可以调度非 AI 任务吗","fancy_title":"K3 中的 A100 核心可以调度非 AI 任务吗","slug":"topic","posts_count":3,"reply_count":1,"highest_post_number":3,"image_url":null,"created_at":"2026-06-10T07:44:51.215Z","last_posted_at":"2026-06-12T03:12:29.629Z","bumped":true,"bumped_at":"2026-06-12T03:12:29.629Z","archetype":"regular","unseen":false,"pinned":false,"unpinned":null,"excerpt":"我看 A100 在不做 AI 计算的时候的使用率为 0，这是 Linux 预设的调度吗？ \nA100 包含处理器 imac 等基础扩展，是否可以跑普通任务？","visible":true,"closed":false,"archived":false,"bookmarked":null,"liked":null,"tags":["操作系统","cpu"],"tags_descriptions":{},"views":91,"like_count":0,"has_summary":false,"last_poster_username":"1781077173","category_id":25,"pinned_globally":false,"featured_link":null,"posters":[{"extras":"latest","description":"Original Poster, Most Recent Poster","user_id":486,"primary_group_id":null,"flair_group_id":null},{"extras":null,"description":"Frequent Poster","user_id":167,"primary_group_id":null,"flair_group_id":null}]},{"id":1317,"title":"K3的edk2固件能否进行开源","fancy_title":"K3的edk2固件能否进行开源","slug":"topic","posts_count":2,"reply_count":0,"highest_post_number":2,"image_url":null,"created_at":"2026-06-11T13:45:20.415Z","last_posted_at":"2026-06-12T02:54:07.139Z","bumped":true,"bumped_at":"2026-06-12T02:54:07.139Z","archetype":"regular","unseen":false,"pinned":false,"unpinned":null,"excerpt":"现在官方似乎还没有公布k3芯片上的edk2固件，gitee中也只有k1的。 \n另外，现在的edk2固件在pico itx上似乎无法从2242的m2位置启动。","visible":true,"closed":false,"archived":false,"bookmarked":null,"liked":null,"tags":[],"tags_descriptions":{},"views":59,"like_count":0,"has_summary":false,"last_poster_username":"beautiful_doggie","category_id":25,"pinned_globally":false,"featured_link":null,"posters":[{"extras":null,"description":"Original Poster","user_id":442,"primary_group_id":null,"flair_group_id":null},{"extras":"latest","description":"Most Recent Poster","user_id":167,"primary_group_id":null,"flair_group_id":null}]},{"id":1308,"title":"发现一个K3 CPU A100核TCM状态不一致的问题","fancy_title":"发现一个K3 CPU A100核TCM状态不一致的问题","slug":"topic","posts_count":1,"reply_count":0,"highest_post_number":1,"image_url":null,"created_at":"2026-06-10T01:17:05.100Z","last_posted_at":"2026-06-10T01:17:05.162Z","bumped":true,"bumped_at":"2026-06-10T01:17:05.162Z","archetype":"regular","unseen":false,"pinned":false,"unpinned":null,"excerpt":"ONNX Runtime 的 Spacemit EP 和 Spine-Triton 内部可能使用了不同的 TCM 管理策略或初始化方式，导致 TCM 状态不一致。","visible":true,"closed":false,"archived":false,"bookmarked":null,"liked":null,"tags":[],"tags_descriptions":{},"views":44,"like_count":0,"has_summary":false,"last_poster_username":"EddleYin","category_id":25,"pinned_globally":false,"featured_link":null,"posters":[{"extras":"latest single","description":"Original Poster, Most Recent Poster","user_id":266,"primary_group_id":null,"flair_group_id":null}]},{"id":1299,"title":"K3 Bianbu 4.0, FFmpeg 8.0.1 的 h264_v4l2m2m 编码器有问题","fancy_title":"K3 Bianbu 4.0, FFmpeg 8.0.1 的 h264_v4l2m2m 编码器有问题","slug":"topic","posts_count":3,"reply_count":0,"highest_post_number":3,"image_url":null,"created_at":"2026-06-09T00:34:43.593Z","last_posted_at":"2026-06-09T02:48:39.355Z","bumped":true,"bumped_at":"2026-06-09T02:48:39.355Z","archetype":"regular","unseen":false,"pinned":false,"unpinned":null,"excerpt":"K3 Bianbu 4.0, FFmpeg 8.0.1 的 h264_v4l2m2m 编码器通过管道接收 NV12 输入，输出视频颜色异常（偏绿）。用 libx264 软件编码同样 NV12 数据颜色正常。怀疑 h264_v4l2m2m 对&hellip;","visible":true,"closed":false,"archived":false,"bookmarked":null,"liked":null,"tags":[],"tags_descriptions":{},"views":46,"like_count":0,"has_summary":false,"last_poster_username":"EddleYin","category_id":25,"pinned_globally":false,"featured_link":null,"posters":[{"extras":"latest","description":"Original Poster, Most Recent Poster","user_id":266,"primary_group_id":null,"flair_group_id":null},{"extras":null,"description":"Frequent Poster","user_id":482,"primary_group_id":null,"flair_group_id":null}]},{"id":1298,"title":"发现Spine-Triton的一个重大bug!","fancy_title":"发现Spine-Triton的一个重大bug!","slug":"topic","posts_count":1,"reply_count":0,"highest_post_number":1,"image_url":null,"created_at":"2026-06-08T08:36:46.859Z","last_posted_at":"2026-06-08T08:36:46.913Z","bumped":true,"bumped_at":"2026-06-08T08:36:46.913Z","archetype":"regular","unseen":false,"pinned":false,"unpinned":null,"excerpt":"Spine-Triton spine_gemm_forward_ptr_out 长时间运行后 munmap_chunk(): invalid pointer 崩溃 \n平台 ：SpacemiT K3（8×X100 + 8×A100），RISC&hellip;","visible":true,"closed":false,"archived":false,"bookmarked":null,"liked":null,"tags":[],"tags_descriptions":{},"views":38,"like_count":0,"has_summary":false,"last_poster_username":"EddleYin","category_id":25,"pinned_globally":false,"featured_link":null,"posters":[{"extras":"latest single","description":"Original Poster, Most Recent Poster","user_id":266,"primary_group_id":null,"flair_group_id":null}]},{"id":1290,"title":"发现K3上一个SpacemiT 的系统集成问题","fancy_title":"发现K3上一个SpacemiT 的系统集成问题","slug":"topic","posts_count":1,"reply_count":0,"highest_post_number":1,"image_url":null,"created_at":"2026-06-06T09:22:36.120Z","last_posted_at":"2026-06-06T09:22:36.185Z","bumped":true,"bumped_at":"2026-06-06T09:22:36.185Z","archetype":"regular","unseen":false,"pinned":false,"unpinned":null,"excerpt":"libspine_gemm_bridge.so 是 spacemit-tcm 包的一部分，它链接了系统 Python 但没确保依赖的 Python 版本正确。 \n系统 bridge 在 Python 3.14 环境下初始化失败，_ctype&hellip;","visible":true,"closed":false,"archived":false,"bookmarked":null,"liked":null,"tags":[],"tags_descriptions":{},"views":38,"like_count":0,"has_summary":false,"last_poster_username":"EddleYin","category_id":25,"pinned_globally":false,"featured_link":null,"posters":[{"extras":"latest single","description":"Original Poster, Most Recent Poster","user_id":266,"primary_group_id":null,"flair_group_id":null}]},{"id":1275,"title":"GPU纹理零拷贝被证明在 K3 上不可行","fancy_title":"GPU纹理零拷贝被证明在 K3 上不可行","slug":"topic","posts_count":11,"reply_count":8,"highest_post_number":11,"image_url":null,"created_at":"2026-06-04T02:51:40.534Z","last_posted_at":"2026-06-05T16:31:58.726Z","bumped":true,"bumped_at":"2026-06-05T16:31:58.726Z","archetype":"regular","unseen":false,"pinned":false,"unpinned":null,"excerpt":"VMA_MEMORY_USAGE_AUTO_PREFER_HOST 没有生效——VMA 在 K3 上仍然选择了 DEVICE_LOCAL 内存。 \n原因可能是 PowerVR GPU 驱动上报的内存类型中，渲染目标不支持 HOST_VISI&hellip;","visible":true,"closed":false,"archived":false,"bookmarked":null,"liked":null,"tags":[],"tags_descriptions":{},"views":143,"like_count":0,"has_summary":false,"last_poster_username":"icenowy","category_id":25,"pinned_globally":false,"featured_link":null,"posters":[{"extras":null,"description":"Original Poster","user_id":266,"primary_group_id":null,"flair_group_id":null},{"extras":null,"description":"Frequent Poster","user_id":173,"primary_group_id":null,"flair_group_id":null},{"extras":"latest","description":"Most Recent Poster","user_id":185,"primary_group_id":null,"flair_group_id":null}]},{"id":1189,"title":"K3 断电后，会自动开机","fancy_title":"K3 断电后，会自动开机","slug":"topic","posts_count":5,"reply_count":3,"highest_post_number":5,"image_url":null,"created_at":"2026-05-14T09:10:42.504Z","last_posted_at":"2026-06-05T03:48:29.804Z","bumped":true,"bumped_at":"2026-06-05T03:48:29.804Z","archetype":"regular","unseen":false,"pinned":false,"unpinned":null,"excerpt":"K3 机器是默认出厂设置哈， \n通过 bianbu 操作系统正常关机后，拔掉电源，然后再重新插上电源， \n机器会立即自动开机，不需要按电源键开机。 \n这个非常有问题哈，需要人工按电源键开机才行。 \n本来已经是一台关机的机器，无论外部电源如何&hellip;","visible":true,"closed":false,"archived":false,"bookmarked":null,"liked":null,"tags":["电源管理"],"tags_descriptions":{},"views":114,"like_count":0,"has_summary":false,"last_poster_username":"weifeng","category_id":25,"pinned_globally":false,"featured_link":null,"posters":[{"extras":null,"description":"Original Poster","user_id":440,"primary_group_id":null,"flair_group_id":null},{"extras":null,"description":"Frequent Poster","user_id":167,"primary_group_id":null,"flair_group_id":null},{"extras":"latest","description":"Most Recent Poster","user_id":134,"primary_group_id":null,"flair_group_id":null}]},{"id":1269,"title":"K3 的 Proxmox VE 9.2 初体验","fancy_title":"K3 的 Proxmox VE 9.2 初体验","slug":"topic","posts_count":1,"reply_count":0,"highest_post_number":1,"image_url":"https://forum.spacemit.com/uploads/default/optimized/2X/5/5b9f5e4281f0b29ea92d093bfd655e2f067ad6da_2_1024x525.png","created_at":"2026-06-01T16:01:59.503Z","last_posted_at":"2026-06-01T16:01:59.578Z","bumped":true,"bumped_at":"2026-06-02T04:41:54.245Z","archetype":"regular","unseen":false,"pinned":false,"unpinned":null,"excerpt":"K3 的 X100 核心支持 RV64H 扩展，因此可以使用硬件加速的 kvm 开启虚拟机 \n那么 Proxmox VE 这么好用的 Home Lab 虚拟机平台肯定要安排上啦 \n构建过程和说明在 Reddit 上也详细写了: \nhttps&hellip;","visible":true,"closed":false,"archived":false,"bookmarked":null,"liked":null,"tags":[],"tags_descriptions":{},"views":98,"like_count":5,"has_summary":false,"last_poster_username":"YooLc","category_id":25,"pinned_globally":false,"featured_link":null,"posters":[{"extras":"latest single","description":"Original Poster, Most Recent Poster","user_id":209,"primary_group_id":null,"flair_group_id":null}]},{"id":1263,"title":"为什么K3 buildroot v1.0.2默认打开了VTVM","fancy_title":"为什么K3 buildroot v1.0.2默认打开了VTVM","slug":"topic","posts_count":1,"reply_count":0,"highest_post_number":1,"image_url":null,"created_at":"2026-05-30T17:40:16.054Z","last_posted_at":"2026-05-30T17:40:16.141Z","bumped":true,"bumped_at":"2026-05-31T06:50:23.012Z","archetype":"regular","unseen":false,"pinned":false,"unpinned":null,"excerpt":"就目前的代码来看，设置hstatus.vtvm=1似乎并没有实际的好处，也没有带来功能上的提升 \n并且通过模块在每次kvm_riscv_reset_vcpu后覆盖context vtvm为0后qemu kvm仍然可以正常运行 \n另附内核模块 &hellip;","visible":true,"closed":false,"archived":false,"bookmarked":null,"liked":null,"tags":["求助答疑"],"tags_descriptions":{},"views":43,"like_count":0,"has_summary":false,"last_poster_username":"sudoer","category_id":25,"pinned_globally":false,"featured_link":null,"posters":[{"extras":"latest single","description":"Original Poster, Most Recent Poster","user_id":442,"primary_group_id":null,"flair_group_id":null}]}]}}