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Traditional media such as hard disk and NAND flash are low latency storage devices. I/Os from and to such devices are completed asynchronously via interrupts in most cases. However, introduction of ultra-low latency devices using next-generation non-volatile memory changes the appropriate way to complete I/O requests. Therefore, it is an awaiting solution to make better way to complete I/O requests...
The development of memory storage device technologies, such as next generation non-volatile (NV) memory and battery backed NV-DIMM, has been advanced recently, and they became widely recognized. They provide high performance and persistency along with byte addressability. Their byte addressability enables CPUs to directly access them. Despite their clear advantages, their limited capacity makes it...
The mobile devices such as smartphones and tablets are increasing processor speed and they are desired more energy. We focus on the emerging non volatile memory (NVM), which has gained attention in recent years. A non volatile memory is new memory technology such as SST-MRAM, PCM and ReRAM. Any devices also can be accessed in byte units, high speed nanoseconds access latency and higher write endurance...
The advance of the technologies surrounding non-volatile memory (NVM) storage brings the significant improvement of its performance. While such hardware technologies progress, the software technologies for storage stagnate. The current I/O architecture of the operating system (OS) kernel to interact with storage devices was designed a long time ago when HDDs were very slow, and is beginning to cause...
Non-volatile memory (NVM) storage is becoming more popular as its performance and cost efficiency improve. Since the performance and characteristics of NVM storage are significantly different from those of HDDs, there are ongoing researches to utilize SSDs more efficiently and effectively. There is a claim that the further improvement of NVM storage performance makes it better to poll a storage device...
We have been developing Hybrid OpenCL, which enables the utilization of OpenCL devices by connecting them over the network. Hybrid OpenCL opens a gate to scale up OpenCL environments. By using Hybrid OpenCL, applications written in OpenCL can be easily ported to high performance cluster computers, thus, Hybrid OpenCL can provide more various distributed and parallel computing platforms. Hybrid OpenCL...
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