Efficient Assistant Providing Assistance
The Dirty-Block Index
Vivek Seshadri
Abhishek
Bhowmick
∙
Onur
Mutlu
Phillip B. Gibbons
∙
Michael A. Kozuch
∙
Todd
C.
Mowry
Today – 4:15PM – Session 3A
Mismatch: Representation and Query
Sorted by Title
Get all the books
written by author X
Breadth First
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List all edges
adjacent to
vertex ‘a’
Mismatch: Representation and Query
Cache Tag Store
Dirty Bit
Is block X
dirty?
List all dirty
blocks of
DRAM row R.
Mismatch: Representation and Query
Cache Tag Store
DBI
Dirty-Block Index
Is block X
dirty?
List all dirty
blocks of
DRAM row R.
DBI
Many Optimizations
1.
DRAM-aware writeback
2.
Bypassing cache lookups
3.
Reducing ECC overhead
4.
Efficient cache flushing
5.
Load balancing memory accesses
6.
Bulk DMA
7.
Efficient write scheduling
...
Many Optimizations
1.
DRAM-aware writeback
2.
Bypassing cache lookups
3.
Reducing ECC overhead
4.
Efficient cache flushing
5.
Load balancing memory accesses
6.
Bulk DMA
7.
Efficient write scheduling
...
DBI
31% performance over baseline
6% over best previous mechanism
8% cache area reduction
The Dirty-Block Index
Vivek Seshadri
Abhishek
Bhowmick
∙
Onur
Mutlu
Phillip B. Gibbons
∙
Michael A. Kozuch
∙
Todd
C.
Mowry
Today – 4:15PM – Session 3A
For any piece of information, if there is a mismatch in the way it is organized and they way it is queried, inefficiency creeps in.
Assisting with various tasks and providing information support, this efficient assistant is here to help. Offering guidance and solutions, this assistant makes tasks easier and more organized, improving productivity and efficiency.
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