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Convert figure images to markdown

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James Gregory 2013-12-31 07:56:10 +11:00
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20-03.md
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@ -43,8 +43,7 @@ that is often not correct.
![](images/i.jpg) *The actual rule is that we should strive to pair one-cycle instructions (or, at most, two-cycle instructions, but not three-cycle instructions), which in turn leads to the corollary that we should, in general, use mostly one-cycle instructions when optimizing.*
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![](images/20-04.jpg)\
**Figure 20.4**  *Lockstep execution and idle time in the V-pipe.*
![**Figure 20.4**  *Lockstep execution and idle time in the V-pipe.*](images/20-04.jpg)
Here's why. The Pentium is fully capable of handling instructions that
use memory operands in either pipe, or, if necessary, in both pipes at
@ -73,8 +72,7 @@ banks your paired memory accesses fall in—that's just too much work—but
you might want to watch out for simultaneously read addresses that have
the same values for address
![](images/20-05.jpg)\
**Figure 20.5**  *The Pentium's eight bank data cache.*
![**Figure 20.5**  *The Pentium's eight bank data cache.*](images/20-05.jpg)
bits 2, 3, and 4 (fall in the same bank) in tight loops, and you should
also avoid sequences like