Nvidia聯手Arm 推動定制AI晶片新時代

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Arm自訂晶片獲Nvidia合作推動

Arm於周一宣布,基於其技術的中央處理器(CPU)將能夠利用Nvidia的NVLink Fusion技術與人工智能(AI)晶片整合。這項合作將令雙方的客戶,尤其是偏好自訂基礎架構的超大規模雲端服務商(hyperscalers),能更容易將採用Arm架構的Neoverse CPU與Nvidia主導的圖形處理器(GPU)配對。

這是Nvidia透過策略聯盟,與多家主要科技公司合作的最新例子,顯示Nvidia正將其NVLink平台開放給多種自訂晶片整合,而非強迫客戶必須使用其自家CPU。

目前Nvidia銷售一款名為Grace Blackwell的AI產品,將多個GPU與Nvidia自家品牌的Arm架構CPU搭配使用。其他配置則包括使用Intel或AMD CPU的伺服器。

然而,像Microsoft、Amazon和Google等巨頭,均在其雲端服務中開發或部署基於Arm架構的CPU,以便對系統配置擁有更多控制權及降低成本。

Arm本身並不生產CPU,而是授權其指令集技術,使合作夥伴能設計所需晶片,同時也提供設計方案,協助合作夥伴快速打造基於Arm的晶片。

在本次公告中,Arm表示其自訂的Neoverse晶片將包含一項新協議,允許與GPU無縫傳輸數據。

過去,CPU一直是伺服器中最重要的部分,但生成式AI基礎架構則以AI加速晶片為核心,多數情況下是Nvidia的GPU。一部AI伺服器最多可搭配八個GPU與一個CPU。

今年9月,Nvidia宣布將投資50億美元入股Intel,這家領先的CPU製造商。此交易的關鍵之一是讓Intel的CPU能利用Nvidia的NVLink技術整合進AI伺服器。

Nvidia曾於2020年宣布以400億美元收購Arm,但因美國和英國的監管問題,該交易於2022年告吹。Nvidia早前持有Arm少量股權,而Arm大部分股權由軟銀持有。

近期,軟銀已於本月初出售其在Nvidia的全部持股,並且支持OpenAI的Stargate項目,該計劃將採用Arm技術,搭配Nvidia和AMD的晶片。

評論與啟示

這次Arm與Nvidia的合作,標誌著AI晶片生態系統正朝向更開放、更靈活的方向發展。過去Nvidia在AI硬件領域多以封閉策略著稱,強調自家CPU與GPU的整合優勢,但現在願意開放NVLink技術給多元的自訂晶片,顯示他們認識到市場多樣化需求的重要性。

對超大規模雲端服務商而言,能用Arm架構CPU搭配Nvidia GPU,不但能降低成本,更能提升系統靈活度和控制權。這種合作很可能推動AI伺服器架構的創新,打破過去CPU主導的傳統伺服器設計,向以GPU為核心的AI加速架構轉型。

此外,Nvidia與Intel的聯手投資,也透露出業界對於異構計算(heterogeneous computing)趨勢的共識。未來的AI伺服器不會只依賴單一廠商或架構,而是多元晶片協同合作,才能滿足AI運算日益龐大的需求。

另一方面,軟銀出售Nvidia持股、卻依然支持採用Arm技術的OpenAI Stargate項目,反映出Arm在AI時代的戰略價值依然不容忽視。Arm的指令集授權模式與開放設計,讓其成為雲端與AI硬件革新的重要推手。

總結來說,這波Arm與Nvidia的合作,無疑為AI基礎設施帶來新可能,也象徵著半導體產業正逐步擺脫過去的封閉生態,走向更開放、多元且協同的未來。香港科技業者和雲端服務商應密切留意這些發展,抓緊機會,提升自身競爭力。

以上文章由特價GPT API KEY所翻譯及撰寫。而圖片則由FLUX根據內容自動生成。

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