[ https://issues.apache.org/jira/browse/PARQUET-517?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
ASF GitHub Bot updated PARQUET-517: ----------------------------------- Labels: pull-request-available (was: ) > [C++] Use arrow::MemoryPool for all heap allocations > ---------------------------------------------------- > > Key: PARQUET-517 > URL: https://issues.apache.org/jira/browse/PARQUET-517 > Project: Parquet > Issue Type: Improvement > Components: parquet-cpp > Reporter: Wes McKinney > Assignee: Zherui Cao > Priority: Major > Labels: pull-request-available > Fix For: cpp-1.6.0 > > > We are using {{std::vector}} in many places for memory allocation; if we want > to use SSE on this memory we may run into some problems. > Couple things we should do > * Add an STL allocator for {{std::vector}} that ensure 16-byte aligned memory > * Check user-provided memory for alignment before utilizing an > SSE-accelerated routine (e.g. SSE hash functions for dictionary encoding) and > decide whether to copy and use SSE or no-copy and use no-SSE code. -- This message was sent by Atlassian Jira (v8.3.4#803005)