[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"content-doc-dcio957f6abb":3},{"user":4,"document":8,"mainDocument":29,"columnUrl":31,"subscription":32,"footer":44,"text":79},{"isAuthenticated":5,"isAdmin":5,"displayName":6,"avatarUrl":6,"nid":6,"groupLevel":7},false,"",-10,{"id":9,"fullTitle":10,"subTitle":6,"url":11,"columnId":12,"columnName":13,"columnUrl":14,"summary":6,"contentHtml":15,"mainContentHtml":6,"posterUrl":16,"createDate":17,"displayDate":18,"displayDateSlash":19,"pageviews":20,"tags":21,"hidden":5,"isSubContent":5,"replyDocOrTargetId":6,"contentType":25,"videoId":6,"liveVideoUrl":6,"duration":26,"price":26,"priceText":27,"priceBadgeText":27,"priceBadgeClass":28,"freeForMinGroupLevel":26,"redirectUrl":6,"readyToStream":5},"dcio957f6abb","CRDO 对比 ALAB 在英伟达 GPU 连接上的表现","\u002Fdoc\u002Fdcio957f6abb","col18178739ee","美股资讯","\u002Fcol\u002Fcol18178739ee","\u003Cp>以 GPU 为核心的 AI 基础设施时，Astera Labs ( ALAB )对比 Credo Technology（CRDO）的差异就变得非常清晰了。\u003C\u002Fp>\u003Cp>以下是专门聚焦在 GPU 连接性与兼容性方面的详细对比\u003C\u002Fp>\u003Cp>1. GPU 实际需要什么\u003C\u002Fp>\u003Cp>现代 GPU（如 NVIDIA H100、B200、AMD MI300X 等）需要：\u003C\u002Fp>\u003Cp>超高带宽（PCIe Gen5、Gen6、CXL 2.0\u002F3.0）\u003C\u002Fp>\u003Cp>极低延迟\u003C\u002Fp>\u003Cp>在长距离传输下保持信号完整性（机架级甚至跨机架）\u003C\u002Fp>\u003Cp>内存一致性（GPU 与 CPU 共享内存时尤其重要）\u003C\u002Fp>\u003Cp>因此，能够解决 PCIe 重定时、CXL 内存互联、机架级以太网交换的企业，是 GPU 生态中的关键。\u003C\u002Fp>\u003Cp>2. Astera Labs ——专为 GPU 与 CXL 互联而生\u003C\u002Fp>\u003Cp>Astera Labs 的成立初衷是为了解决 GPU\u002FAI 互联的带宽瓶颈问题。\u003C\u002Fp>\u003Cp>PCIe \u002F CXL 重定时器（Retimer）：确保 GPU、CPU 与 SmartNIC 之间能在长距离下稳定高速通信。\u003C\u002Fp>\u003Cp>Leo CXL 内存控制器：支持共享和分布式内存，用于 GPU 服务器的 AI 训练。\u003C\u002Fp>\u003Cp>Aries 智能重定时器：已获得 NVIDIA、AMD、Intel 平台认证（PCIe Gen5\u002F6）。\u003C\u002Fp>\u003Cp>Taurus 以太网智能线缆模块（SCM）：实现 GPU 机架级互联和资源分解。\u003C\u002Fp>\u003Cp>与 NVIDIA DGX 系统、AWS Trainium\u002FInferentia 等深度合作。\u003C\u002Fp>\u003Cp>总结：Astera Labs 的芯片位于 GPU 与外部系统之间，让 GPU 能以最大带宽与 CPU、内存和其他 GPU 通信。\u003C\u002Fp>\u003Cp>3. Credo Technology（CRDO）——更广义的数据中心互联\u003C\u002Fp>\u003Cp>Credo 的核心聚焦在 AI 与超大规模数据中心的高速连接，但角度稍有不同：\u003C\u002Fp>\u003Cp>有源电缆（AEC）与光学 DSP：为服务器间、机架间提供高速链路。\u003C\u002Fp>\u003Cp>SerDes IP：应用于网络芯片和交换芯片中。\u003C\u002Fp>\u003Cp>光学互联（LPO、AEC、AOC）：用于 GPU 集群之间的互连，但主要在网络层，而不是直接连接 GPU 或 PCIe 接口。\u003C\u002Fp>\u003Cp>美股投资网 总结：Credo 支持 GPU 集群的高速互联，但更偏向于机架与机架之间的连接，而不是 GPU 内部通信。StockWe.com\u003C\u002Fp>","https:\u002F\u002Fstockwebsiteblob.blob.core.windows.net\u002Fweb-202510-stk\u002FUploadercyw115nxrxb_2025_10_31_10_31_27.jpg","2025-10-31T17:24:34.457","2025.10.31","2025\u002F10\u002F31",54738,[22,23,24],"CRDO","ALAB","GPU","Article",0,"免费","success",{"id":9,"fullTitle":10,"subTitle":6,"url":11,"columnId":12,"columnName":13,"columnUrl":14,"summary":6,"contentHtml":15,"mainContentHtml":6,"posterUrl":16,"createDate":17,"displayDate":18,"displayDateSlash":19,"pageviews":20,"tags":30,"hidden":5,"isSubContent":5,"replyDocOrTargetId":6,"contentType":25,"videoId":6,"liveVideoUrl":6,"duration":26,"price":26,"priceText":27,"priceBadgeText":27,"priceBadgeClass":28,"freeForMinGroupLevel":26,"redirectUrl":6,"readyToStream":5},[22,23,24],"\u002Fcol\u002Fstocknews",{"visible":5,"marketingHtml":33,"services":34,"recentDocuments":43},"\u003Cfigure class=\"image\">\u003Ca href=\"https:\u002F\u002Fstockwe.com\u002Fdoc\u002Fdcio537efad5\" target=\"_blank\" rel=\"noopener noreferrer\">\u003Cimg style=\"display:block;margin-left:auto;margin-right:auto;\" src=\"https:\u002F\u002Fstockwewebfiles.blob.core.windows.net\u002Fweb-202408-stk\u002F1586109431mceclip0.jpg\">\u003C\u002Fa>\u003C\u002Ffigure>\u003Cdiv class=\"text-center\">\u003Ch2 class=\"card-title mx-auto\">\u003Cbr>\u003Ca target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\u002F\u002Fstockwe.com\u002Fdoc\u002Fdcio537efad5\">案例介绍：英伟达深度研究报告\u003C\u002Fa>\u003C\u002Fh2>\u003C\u002Fdiv>",[35,39],{"productId":36,"serviceName":37,"priceText":38},"prod_PPxdDdK87QaiLv","月付","$12.95美元",{"productId":40,"serviceName":41,"priceText":42},"prod_PPxeMs3bix1da5","年付","$149.00美元",[],{"links":45,"images":70,"summaryHtml":75,"aboutTitle":76,"aboutHtml":77,"copyrightHtml":78},[46,49,52,55,58,61,64,67],{"label":47,"url":48},"深度报告","\u002Fcol\u002FdepthReport",{"label":50,"url":51},"VIP会员","\u002Fplan",{"label":53,"url":54},"期权推荐","\u002FOption",{"label":56,"url":57},"低价暴涨股","\u002FPenny",{"label":59,"url":60},"常见问题","https:\u002F\u002Fstockwe.com\u002FFAQ",{"label":62,"url":63},"美股课程","\u002Fcol\u002Fvideos",{"label":65,"url":66},"免责声明","\u002Fdisclaimer",{"label":68,"url":69},"联系我们","\u002FContactUs",[71,72,73,74],"https:\u002F\u002Fstockwebsiteblob.blob.core.windows.net\u002Fweb-202509-stk\u002FUploaderzic2tuwsol2_2025_09_11_18_21_07.gif","https:\u002F\u002Fstockwebsiteblob.blob.core.windows.net\u002Fweb-202509-stk\u002FUploadercakzdvydksw_2025_09_03_09_00_56.png","https:\u002F\u002Fstockwebsiteblob.blob.core.windows.net\u002Fweb-202509-stk\u002FUploadergtjyagwvoyk_2025_09_14_08_32_05.png","https:\u002F\u002Fstockwebsiteblob.blob.core.windows.net\u002Fweb-202509-stk\u002FUploader3u0tt4jhlqh_2025_09_23_22_30_48.png","邮箱: buy@TradesMax.com 美国电话 626-378-3637","公司介绍","\u003Cp class=\"MsoNormal\">美股大数据 StockWe.com 是一个美国领先的金融和美股信息大数据提供商，紧盯华尔街金融市场和行情，2008年成立于美国硅谷，创始人是前纽约证券交易所资深分析师Ken，联合多位摩根斯坦利分析师，谷歌 Meta工程师利用AI和大数据，配合十多年美股实战经验和业内量化交易模型，每天处理千万级股票数据：挖掘潜力大牛股，捕捉期权异动大单，实时主力资金流向、机构持仓变化、川普突发新闻，精准买卖信号第一时间发到您手机APP。\u003C\u002Fp>","专业美股投资者都在这里",{"loading":80,"search":81,"searchPlaceholder":81,"hotContent":82,"draft":83,"noData":84,"searchNoData":85,"edit":86,"editVideo":87,"courseContent":88,"more":89,"buyNow":90,"subscribeNow":91,"encoding":92,"paidContent":93},"Loading...","搜索","热门内容","草稿","目前没有任何内容公布","当前检索内容没有数据","编辑","编辑视频","课程内容","更多","立即购买后观看","- 立即订阅 -","视频编码中...","付费内容"]