Two researchers at South Korea’s Yonsei University have designed a way for enhancing the throughput of an off-the-shelf SSD by as much as 15%. Chasing a job at Samsung a lot, guys?
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Most SSDs obtainable right now are comprised of a number of chips organized in an array, which then talk together with your PC as a single drive. Multiple functions could make enter and output (I/O) requests to the silicon within the SSD. It’s the I/O scheduler’s job to prioritise these requests for max throughput. The most important targets of this methodology are to minimise wasted time from requests, give every course of a share of the disk’s bandwidth, and to ensure that sure requests shall be issued by a deadline.
The problem with this method, nonetheless, is that a number of I/O requests to the varied chips can take care of one another, inflicting what the researchers describe as ‘significant performance degradation’.
This, then, is the issue Myung Hyun Jo and Won Woo Ro are hoping to unravel. The pair have revealed a paper outlining what they name dynamic load balanced queuing (or DLBQ). It’s their design for an I/O scheduler that modifications the order of enter and output requests after which ‘evenly distributes the accesses on flash memory chips to avoid contention.’
The researchers examined DLBQ utilizing ‘micro benchmarks and server benchmarks’ and located that it may enhance throughput on a 128GB SSD by 11%, and on a 256GB SSD by 15%. Wonder what it will do on a 1TB drive…
Thanks Bit-Tech.
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