在线阅读本书 Is your memory hierarchy stopping your microprocessor from performing at the high level it should be? Memory Systems: Cache, DRAM, Disk shows you how to resolve this problem. The book tells you everything you need to know about the logical design and operation, physical design and operation, performance characteristics and resulting design trade-offs, and the energy consumption of modern memory hierarchies. You learn how to to tackle the challenging optimization problems that result from the side-effects that can appear at any point in the entire hierarchy. As a result you will be able to design and emulate the entire memory hierarchy. . Understand all levels of the system hierarchy -Xcache, DRAM, and disk. . Evaluate the system-level effects of all design choices. . Model performance and energy consumption for each component in the memory hierarchy.

Unleash the hidden power of your mind through Harry Lorayne and Jerry Lucas's simple, fail-safe memory system, and you can become more effective, more imaginative, and more powerful, at work, at school, in sports and play. Discover how easy it is to: file phone numbers, data, figures, and appointments right in your head; learn foreign words and phrases with ease; read with speed--and greater understanding; shine in the classroom--and shorten study hours; dominate social situations, and more. From the Paperback edition.

Kim Edwardsas stunning family drama evokes the spirit of Sue Miller and Alice Sebold, articulating every motheras silent fear: what would happen if you lost your child and she grew up without you? In 1964, when a blizzard forces Dr. David Henry to deliver his own twins, he immediately recognizes that one of them has Down Syndrome and makes a split-second decision that will haunt all their lives forever. He asks his nurse to take the baby away to an institution and to keep her birth a secret. Instead, she disappears into another city to raise the child as her own. Compulsively readable and deeply moving, "The Memory Keeperas Daughter" is an astonishing tale of redemptive love. BACKCOVER: aEdwards is a born novelist. . . . Rich with psychological detail and the nuances of human connection.a a"Chicago Tribune" aUnfolds from an absolutely gripping premise, drawing you deeply and irrevocably into the entangled lives of two families and the devastating secret that shaped them both. I loved this riveting story.a aSue Monk Kidd aAnyone would be struck by the extraordinary power and sympathy of "The Memory Keeperas Daughter."a a"The Washington Post" aKim Edwards has written a novel so mesmerizing that I devoured it. . . . "The Memory Keeperas Daughter" has it all.a aSena Jeter Naslund aKim Edwards has created a tale of regret and redemption, of honest emotion, of characters haunted by their past. This is simply a beautiful book.a aJodi Picoult