[jira] [Updated] (SPARK-12181) Check Cached unaligned-access capability before using Unsafe
[ https://issues.apache.org/jira/browse/SPARK-12181?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Ted Yu updated SPARK-12181: --- Component/s: Spark Core > Check Cached unaligned-access capability before using Unsafe > > > Key: SPARK-12181 > URL: https://issues.apache.org/jira/browse/SPARK-12181 > Project: Spark > Issue Type: Bug > Components: Spark Core >Reporter: Ted Yu > > For MemoryMode.OFF_HEAP, Unsafe.getInt etc. are used with no restriction. > However, the Oracle implementation uses these methods only if the class > variable unaligned (commented as "Cached unaligned-access capability") is > true, which seems to be calculated whether the architecture is i386, x86, > amd64, or x86_64. > I think we should perform similar check for the use of Unsafe. -- This message was sent by Atlassian JIRA (v6.3.4#6332) - To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org
[jira] [Updated] (SPARK-12181) Check Cached unaligned-access capability before using Unsafe
[ https://issues.apache.org/jira/browse/SPARK-12181?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Ted Yu updated SPARK-12181: --- Attachment: spark-12181.txt > Check Cached unaligned-access capability before using Unsafe > > > Key: SPARK-12181 > URL: https://issues.apache.org/jira/browse/SPARK-12181 > Project: Spark > Issue Type: Bug > Components: Spark Core >Reporter: Ted Yu > Attachments: spark-12181.txt > > > For MemoryMode.OFF_HEAP, Unsafe.getInt etc. are used with no restriction. > However, the Oracle implementation uses these methods only if the class > variable unaligned (commented as "Cached unaligned-access capability") is > true, which seems to be calculated whether the architecture is i386, x86, > amd64, or x86_64. > I think we should perform similar check for the use of Unsafe. -- This message was sent by Atlassian JIRA (v6.3.4#6332) - To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org
