Backporting the FileChannel.transferTo (Windows) improvement to OpenJDK v7

Martin Sawicki (MS OPEN TECH) marcins at
Tue Dec 30 04:22:24 UTC 2014


We'd like to propose to back-port our FileChannel.transferTo() performance improvement for Windows that was recently accepted into OpenJDK v9 and v8 to v7. The original JDKv9 fix just for reference:

Our suggested webrev patch for OpenJDK v7 is attached to this email, based on our understanding of the back-porting steps.

Your review and acceptance of this contribution would be appreciated.

Best regards,

Martin Sawicki (and Kirk Shoop, and Valeriy Kopylov)

Microsoft Open Technologies, Inc.

A subsidiary of Microsoft Corp.

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