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Implementation of a Not Recently Used replacement policy.
Change-Id: I24ab3a6f1db6dcb756b869cfebb5c4bc544170e8
Reviewed-on: https://gem5-review.googlesource.com/9001
Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com>
Maintainer: Nikos Nikoleris <nikos.nikoleris@arm.com>
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Implementation of a LRU Insertion Policy replacement policy.
Change-Id: I1a9aa0091ff2cdc1b1652c1d5ec7a3b33fba5b44
Reviewed-on: https://gem5-review.googlesource.com/9002
Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com>
Maintainer: Nikos Nikoleris <nikos.nikoleris@arm.com>
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Implementation of a Bimodal Insertion Policy replacement policy.
Change-Id: Ife058d0d4310dbcb35858348006189f0b2bf7c37
Reviewed-on: https://gem5-review.googlesource.com/9003
Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com>
Maintainer: Nikos Nikoleris <nikos.nikoleris@arm.com>
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Implementation of a Least Frequently Used replacement policy.
Change-Id: I772afccd3a7955777e53d59341e922718db44e5c
Reviewed-on: https://gem5-review.googlesource.com/8890
Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com>
Maintainer: Nikos Nikoleris <nikos.nikoleris@arm.com>
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Implementation of a Re-Reference Interval Prediction replacement
policy.
Change-Id: Iba716eb5df2bf2be156e765f889d94f6ad00c91b
Reviewed-on: https://gem5-review.googlesource.com/8981
Maintainer: Nikos Nikoleris <nikos.nikoleris@arm.com>
Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com>
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
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Implementation of a Bimodal Re-Reference Interval Prediction
replacement policy.
Change-Id: I25d4a59a60ef7ac496c66852e394fd6cbaf50912
Reviewed-on: https://gem5-review.googlesource.com/8891
Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com>
Maintainer: Nikos Nikoleris <nikos.nikoleris@arm.com>
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Change-Id: I67759a4532e8a46c1643d4c3a9c546ad6b565b81
Signed-off-by: Jason Lowe-Power <jason@lowepower.com>
Reviewed-on: https://gem5-review.googlesource.com/9321
Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com>
Maintainer: Nikos Nikoleris <nikos.nikoleris@arm.com>
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Implementation of a First-In, First-Out replacement policy.
Change-Id: Id234ec9d29c092dd4516e609da14b8a75a96b5e4
Reviewed-on: https://gem5-review.googlesource.com/8888
Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com>
Maintainer: Nikos Nikoleris <nikos.nikoleris@arm.com>
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Rebase of MRU missed a const qualifier, introducing a compilation
error.
Change-Id: Ia25aa30523613a1a87593a353abe439946656f63
Reviewed-on: https://gem5-review.googlesource.com/9301
Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com>
Maintainer: Nikos Nikoleris <nikos.nikoleris@arm.com>
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Implementation of a Most Recently Used replacement policy.
Change-Id: Id52cb247ca25d4523dcc53490d113695dac6a3f1
Reviewed-on: https://gem5-review.googlesource.com/8889
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com>
Maintainer: Nikos Nikoleris <nikos.nikoleris@arm.com>
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Replacement policies (LRU, Random) are currently considered as array
indexing methods, but have completely different functionalities:
- Array indexers determine the possible locations for block allocation.
This information is used to generate replacement candidates when
conflicts happen.
- Replacement policies determine which of the replacement candidates
should be evicted to make room for new allocations.
For this reason, they were split into different classes. Advantages:
- Easier and more straightforward to implement other replacement
policies (RRIP, LFU, ARC, ...)
- Allow easier future implementation of cache organization schemes
As now we can't assure the use of sets, the previous way to create a
true LRU is not viable. Now a timestamp_bits parameter controls how
many bits are dedicated for the timestamp, and a true LRU can be
achieved through an infinite number of bits (although a few bits suffice
in practice).
Change-Id: I23750db121f1474d17831137e6ff618beb2b3eda
Reviewed-on: https://gem5-review.googlesource.com/8501
Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com>
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Maintainer: Nikos Nikoleris <nikos.nikoleris@arm.com>
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