RFR: 8274112: (fc) Tune FileChannel.transferTo() [v7]
Brian Burkhalter
bpb at openjdk.java.net
Fri Apr 29 23:12:43 UTC 2022
> Please consider this patch which would improve the performance of
> `FileChannel.transferTo()` on macOS and Windows.
Brian Burkhalter has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains ten additional commits since the last revision:
- 8274112: Cleanup based on reviewer comments
- Merge
- 8274112: Revert all changes except mapped transfer threshold
- 8274112: Remove native read-write copy; add threshold for mapped copy; use Linux copy_file_range() for direct copy if available
- Merge
- 8274112: Make transferTo0() static; remove check for null FileDescriptor
- 8274112: Modify transfer_read_write() not to throw if read or write fails
- 8274112: Refactor to use transferToFileChannel()
- 8274112: (fc) Tune FileChannel.transferTo()
-------------
Changes:
- all: https://git.openjdk.java.net/jdk/pull/5623/files
- new: https://git.openjdk.java.net/jdk/pull/5623/files/778928ba..c72b4b58
Webrevs:
- full: https://webrevs.openjdk.java.net/?repo=jdk&pr=5623&range=06
- incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=5623&range=05-06
Stats: 176486 lines in 2628 files changed: 126157 ins; 10947 del; 39382 mod
Patch: https://git.openjdk.java.net/jdk/pull/5623.diff
Fetch: git fetch https://git.openjdk.java.net/jdk pull/5623/head:pull/5623
PR: https://git.openjdk.java.net/jdk/pull/5623
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