Menu
IDE,SCSI,SSD,SATA or all of those.
632
In general, storage tends to be slower than RAM. Hard disk drives are mechanical devices, so they can't access information nearly as quickly as memory does. In most personal computers, storage uses an interface called Serial ATA (SATA), which is slower than RAM.
I'm surprised: Figure 3 in the middle of this article, The Pathologies of Big Data, says that memory is only about 6 times faster when you're doing sequential access (350 Mvalues/sec for memory compared with 58 Mvalues/sec for disk); but it's about 100,000 times faster when you're doing random access.
"Even in quad-speed drives, a hard disk is 100 times faster than CD-ROM, and RAM is 1,000 times faster," said Mr. Ryon of Dataquest, referring to random-access memory. As a result, CD-ROM software developers are becoming adept at mainlining parts of their programs into the computer's memory.
I'm surprised: Figure 3 in the middle of this article, The Pathologies of Big Data, says that memory is only about 6 times faster when you're doing sequential access (350 Mvalues/sec for memory compared with 58 Mvalues/sec for disk); but it's about 100,000 times faster when you're doing random access.
108
Random Access Memory (RAM) takes nanoseconds to read from or write to, while hard drive (IDE, SCSI, SATA that I'm aware of) access speed is measured in milliseconds.
32
If you love us? You can donate to us via Paypal or buy me a coffee so we can maintain and grow! Thank you!
Donate Us With
