無聊發現,Synology既software RAID應該係有用到AVX2既

係隔離區見到有人討論緊sw RAID先知有AVX2會加速咁多既,搵下我唯一有機會用既NAS code
起碼佢有個lib係到,可惜既係C25XX既atom都冇AVX2,姐係去到i3以上既先會受惠
AVX2.PNG

用周傑倫試唔試到點快法?

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用周傑倫試唔試到點快法?
mcdull 發表於 2015-4-15 10:21



    我部姐倫都冇AVX2

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都唔係只限 synology 啦,linux based 用 MD 既 sw RAID 都會受惠 AVX2

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most low-end / old cpu does not support avx2 instructions.


http://en.wikipedia.org/wiki/Adv ... sions#CPUs_with_AVX

[ from wiki ]

CPUs with AVX[edit]
Intel
Sandy Bridge processor, Q1 2011[8]
Sandy Bridge E processor, Q4 2011[9]
Ivy Bridge processor, Q1 2012
Ivy Bridge E processor, Q3 2013
Haswell processor, Q2 2013
Haswell E processor, Q3 2014
Broadwell processor, expected in 2014
Broadwell E processor, expected in 2015
AMD:
Bulldozer-based processor, Q4 2011[10]
Piledriver-based processor, Q4 2012[11]
Steamroller-based processor, Q1 2014
Excavator-based processor, expected in 2015
Jaguar-based processor
Puma-based processor

CPUs with AVX2[edit]
Intel
Haswell processor, Q2 2013
Haswell E processor, Q3 2014
Broadwell processor, Q4 2014
Broadwell E processor, expected in 2015
Skylake processor, expected in 2015
Cannonlake processor, expected in 2017
AMD
Excavator-based processor, expected in 2015

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都唔係只限 synology 啦,linux based 用 MD 既 sw RAID 都會受惠 AVX2
fakeman 發表於 2015-4-15 10:46



    之前唔知佢kernel ver.

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