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DRAM BG Scrub
Data Cache BG Scrub
Disabled
40ns
80ns
160ns
320ns
640ns
1.28us
2.56us
5.12us
DRAM scrubbing corrects memory
10.2us
errors so later reads are correct.
20.5us
Doing this while memory is not being
used improves performance.
41.0us
Note: When AMD's node interleave
81.9us
feature is enabled, BIOS will force
163.8us
DRAM scrub off.
327.7us
655.4us
1.31ms
2.62ms
5.24ms
10.49ms
20.97ms
42.00ms
84.00ms
Disabled
40ns
80ns
160ns
320ns
640ns
1.28us
Allows the L1 Data Cache RAM to
2.56us
be corrected while idle.
5.12us
10.2us
20.5us
41.0us
81.9us
163.8us
327.7us
655.4us
74
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