anson5479 2015-11-11 00:02
NVIDIA发新旗舰计算卡Tesla M40:GM200核心+12GB显存[14P]
[size=5]两个多月前,NVIDIA发布了用于第二代GRID云图形系统的计算卡,包括GM204双芯型Tesla M60、MXM样式型Tesla M6,今天我们又看到了新的Tesla M40、Tesla M4,号称“超级加速器”,主要面向机器学习计算市场。
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[align=left][size=5][color=#333333][b]Tesla M40采用了完整的麦克斯韦架构大核心GM200,3072个流处理器[/b],核心频率达1140MHz,[b]单精度浮点计算突破7TFlops,可惜双精度十分残废只有可怜的0.21TFlops。[/b][/color][/size][/align]
[align=left][size=5][color=#333333]显存配备了[b]多达12GB GDDR5[/b],位宽384-bit,但是[b]麦克斯韦架构并不支持显存和缓存的片上ECC[/b],应该会以软件方式提供,但官方并未提及。[/color][/size][/align]
[align=left][size=5][color=#333333]NVIDIA宣称,Tesla M40可将机器学习训练时间缩短到1天,CPU则需要至少8天。[/color][/size][/align]
[align=left][size=5][color=#333333]Tesla M40的外观设计除了颜色之外和GTX Titan X看起来很像,不过改成了[b]被动散热[/b](依靠系统风扇),热设计功耗250W。[/color][/size][/align]
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[align=left][size=5][color=#333333][b]Tesla M4这是小型低端卡,事实上这也是第一款半高式的Tesla。[/b]它采用了麦克斯韦[b]GM206核心[/b](第一次用于Tesla),1024个流处理器,128-bit 4GB GDDR5显存,浮点性能单精度2.2TFlops、双精度0.07TFlops,热设计功耗50-75W。[/color][/size][/align]
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dingxiaokang 2015-11-11 00:57
要是真把AMD玩死了,反垄断调查就来了,就像当年盖茨不敢把苹果玩死一样,期待AMD能像苹果一样翻身,和英伟达、intel形成旗鼓相当的竞争
刺背西西 2015-11-11 20:49
没有使用HBM显存只能说是过渡产品,还是看农企的新核心吧
aa6174321 2015-11-11 22:16
老黄就是能用一个东西卖大价钱,而且是变着法儿买大价钱
quadro/tesla,titan已经是最差的了
这点上,隔壁按摩店内牛满面
dongcanghai 2015-11-11 23:02
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