Что такое штраф за использование нагрузки? - PullRequest
0 голосов
/ 01 июня 2019
Load-use penalty
● Assume that the processor is equipped with bypasses eliminating 
the „classic” R-A-W hazard
● Consider the following sequence
lw $4, ....
add $6, $5, $4
 This time the R-A-W hazard results from memory load instruction
 Data read from memory is not available until MEM stage
 The bypass from ALU stage will NOT contain the proper data
 Bypasses may reduce this problem but not eliminate it
 Memory data from MEM stage may be passed to RD using a bypass

While the 2nd
 instruction is in RD, the load instruction is in ALU, not in 
MEM
● The problem is called Load-Use penalty

Это слайд лекции из моего класса.

У какого-нибудь другого термина "Штраф за использование нагрузки"?

Я не нахожу его при поиске в Google .

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