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  1. Qt
  2. QTBUG-6705

Bring "zero-copy" to QIODevice::read

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Details

    • Suggestion
    • Resolution: Moved
    • P2: Important
    • Some future release
    • None
    • Core: I/O
    • None

    Description

      For QtWebKit we are copying data coming from the network too often and it should be fixed by not copying any data but operate on the QByteArray as received from the network.

      QTcpSocket -> QNetworkReply -> WebCore::SharedBuffer -> QBuffer -> QImageReader

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          depends on

          Task - A task that needs to be done. QTBUG-14703 backport zero-copy QNetworkAccessManager code to 4.7

          • P2: Important - Urgent, should be fixed, but will not stop the release.
          • Closed
          relates to

          Task - A task that needs to be done. QTBUG-19044 Make QML network loading use the QNetworkAccessManager zero-copy features

          • P2: Important - Urgent, should be fixed, but will not stop the release.
          • Open

          Suggestion - Public suggestions QTBUG-6772 Improve QNetworkReplyHandler, the interface between WebKit and QNetworkAccessManager

          • P2: Important - Urgent, should be fixed, but will not stop the release.
          • Closed

          Epic - Created by Jira Software - do not edit or delete. Issue type for a big user story that needs to be broken down. QTBUG-76492 [Spike]: Research options for a better QIODevice abstraction

          • P1: Critical - Urgent and Important, will STOP the release if matched with set FixVersion field. This includes regressions from the last version that are not edge cases; Data loss; Build issues; All but the most unlikely crashes/lockups/hanging; Serious usability issues and embarrassing bugs & Bugs critical to a deliverable. This is the highest possible priority for requirements.
          • Open
          resulted in

          Suggestion - Public suggestions QTBUG-19169 Qt 5: readAny() API for zero-copy in QIODevice

          • P2: Important - Urgent, should be fixed, but will not stop the release.
          • Open
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              mgoetz Markus Goetz (Inactive)
              holger Holger Freyther
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              Dates

                Created:
                Updated:
                Resolved:

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