參數(shù)資料
型號(hào): INSTRUCTIN603EWP
英文描述: Optimizing the Instruction Execution on the 603e
中文描述: 優(yōu)化了603e的指令執(zhí)行
文件頁(yè)數(shù): 39/54頁(yè)
文件大小: 325K
代理商: INSTRUCTIN603EWP
RISC Microprocessor Division
Page 39
Data Cache Miss Stall
LSU
SQ
DC load
miss
DC store
miss
A stw r3, 0(r4)
B lwz r5, 0(r6)
C stw r7, 0(r8)
LSU
SQ
DC load
miss
DC store
miss
A
B
C
A stw r3, 0(r4)
B stw r5, 0(r6)
C stw r7, 0(r8)
D lwz r9, 0(r10)
D
LSU
SQ
B
DC load
miss
DC store
miss
A
C
Figure 1
Figure 2 - Store Stalls
Figure 3 - Load Stall
LSU EA
LSU RS
LSU EA
LSU RS
LSU EA
LSU RS
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