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slowbro69

My HDD/SSD/RAM Benchmark

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Can someone explain to me why the write speed is always faster than the read speed?

I understand that RAM is technically very different from persistent memory but it seems somewhat counter-intuitive.

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With most things in computing, writing is usually faster than reading, its just easier to put things in a place compared to searching for all the right things and taking them out. (In very basic terms, having a bucket of red sand poured into a larger bucket of blue sand is easy, taking all that red sand out again is not :P )

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Um, except for every other form of memory I tested, like HDD, SSD, USB1/2/3 thumbdrive, CD, DVD, Blueray, stone tablets, cave drawings, peeing my name in snow...

 

Edit: Well in most cases anyway, different filesizes are processed on different media with varying degrees of efficiency.

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Can someone explain to me why the write speed is always faster than the read speed?

I understand that RAM is technically very different from persistent memory but it seems somewhat counter-intuitive.

I would assume it takes more CPU operations to read than to write, but my ASM knowledge is virtually nil.

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