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最多40个单元:Haswell GPU架构猜想

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Old 28-04-2012, 09:22 PM
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Default 最多40个单元:Haswell GPU架构猜想

Ivy Bridge发布了,22nm新工艺产物似乎并不尽如人意,于是我们的眼光又转向了明年的下一代Haswell。在工艺不变的前提下,Haswell会在内部架构上进行较大幅度的增强,性能和功能也有望迈上一个台阶。日本PCWatch网站专栏作家後藤弘茂近日就对Haswell的整合图形核心进行了一番前瞻和猜想。Sandy Bridge图形核心有GT1、GT2两种,分别有6个、12个执行单元(EU),算术逻辑单元(ALU)分别为24个、48个,纹理单元都是一个。Ivy Bridge也是分GT1、GT2两种图形核心,但只是代号相同而已,实际都进行了不小的升级,比如支持DirectX 11、OpenCL 1.1、曲面细分、三屏独立输出等等。GT1的计算单元规格和上代相同,GT2则增加到16个执行单元、64个ALU、2个纹理单元。Haswell的图形核心将有GT1、GT2、GT3三种,其中
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