RFR: 8272773: Investigate making card table size configurable [v6]
Vishal Chand
duke at openjdk.java.net
Thu Nov 18 06:56:10 UTC 2021
> Hi,
>
> Please review the changes to make CardTable entry size configurable. The changes primarily consists of:
>
> 1. Addition of a cmdline flag **GCCardSizeInBytes** to make the card size startup time configurable.
> 2. Setting the card size based on the flag in G1, Parallel and Serial GC memory initialization paths.
> 3. Setting BlockOffsetTable size and ObjectStartArray size based on the card size.
Vishal Chand has updated the pull request incrementally with one additional commit since the last revision:
Changes as per comments on 17-11-21
-------------
Changes:
- all: https://git.openjdk.java.net/jdk/pull/5838/files
- new: https://git.openjdk.java.net/jdk/pull/5838/files/1f0612a1..125a0afb
Webrevs:
- full: https://webrevs.openjdk.java.net/?repo=jdk&pr=5838&range=05
- incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=5838&range=04-05
Stats: 20 lines in 6 files changed: 4 ins; 9 del; 7 mod
Patch: https://git.openjdk.java.net/jdk/pull/5838.diff
Fetch: git fetch https://git.openjdk.java.net/jdk pull/5838/head:pull/5838
PR: https://git.openjdk.java.net/jdk/pull/5838
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