[ARROW-15332] [C++] Add new cases and fix issues in IPC read/write benchmark

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 7.0.0
• Component/s: C++
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/30820
• Assignee: Weston Pace
• Reporter: Weston Pace
• Created: 14/Jan/22 01:26
• Updated: 11/Jan/23 11:36
• Resolved: 14/Jan/22 20:18

Description

This breaks out the benchmark changes in ARROW-14577 to allow us to more easily demonstrate the effect of the PR.

First, there are a few problems with the current benchmark:

• The benchmark named ReadFile is misleading since it is actually reading from an in-memory buffer and no OS "read" call is ever issued.
• Renamed ReadTempFile to ReadCachedFile and added a second case for ReadUncachedFile. The former reads a file in the OS' page cache and the latter forces a read to actually hit the disk.
• The TempFile benchmarks were not actually writing the correct amount of data and were reporting unrealistically high rates as a result.
• Adding a "partial read" parameter which, when true, only reads 1/8 the columns in the file so we can see the impact of pushdown projection.
• Slightly reduced the range of parameters to keep the benchmark time reasonable (8k columns wasn't telling us anything more than 4k columns).

Issue Links

• links to: GitHub Pull Request #12150