write-back
Noun
Meaning
write-back (plural write-backs)
Alternative form of writeback
Alternative names
write back
Synonyms
Examples
But the write-back mechanism also contained a mini arithmetic unit, which the processor used for several purposes.
A write-back cache is more complex to implement, since it needs to track which of its locations have been written over, and mark them as dirty for later writing to the backing store.
This is an optimization for write-back caches snooping the bus.
A version of the IntelDX4 featuring write-back cache was released in October 1994.
The original write-through versions of the chip are marked with a laser embossed "&E", while the write-back enabled versions are marked "&EW".
Write-through operation is common when operating over unreliable networks (like an Ethernet LAN), because of the enormous complexity of the coherency protocol required between multiple write-back caches when communication is unreliable.