lecture 22 storage and i/o - university of notre dame · 2011-11-10 · lecture 22 storage and...

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Lecture 22 Storage and I/O Suggested reading: (HP Chapter 6.3) 1

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Page 1: Lecture 22 Storage and I/O - University of Notre Dame · 2011-11-10 · Lecture 22 Storage and I/O" ... COMPSCI 2201 ECE 252 Lecture Notes Storage Hierarchy Ill: Disks, Buses and

Lecture 22 Storage and I/O"

Suggested reading:"(HP Chapter 6.3)"

1"

Page 2: Lecture 22 Storage and I/O - University of Notre Dame · 2011-11-10 · Lecture 22 Storage and I/O" ... COMPSCI 2201 ECE 252 Lecture Notes Storage Hierarchy Ill: Disks, Buses and

Think about in context of leakage!!

Part A"

Page 3: Lecture 22 Storage and I/O - University of Notre Dame · 2011-11-10 · Lecture 22 Storage and I/O" ... COMPSCI 2201 ECE 252 Lecture Notes Storage Hierarchy Ill: Disks, Buses and
Page 4: Lecture 22 Storage and I/O - University of Notre Dame · 2011-11-10 · Lecture 22 Storage and I/O" ... COMPSCI 2201 ECE 252 Lecture Notes Storage Hierarchy Ill: Disks, Buses and

Parts B, C"

What metrics are!important for what!applications?!

Page 5: Lecture 22 Storage and I/O - University of Notre Dame · 2011-11-10 · Lecture 22 Storage and I/O" ... COMPSCI 2201 ECE 252 Lecture Notes Storage Hierarchy Ill: Disks, Buses and

Actually, reads are proportional to normal DRAM, but writes take!longer!