[C++] Consider using fast-double-parser

[asfimport]

We use Google's double-conversion library for parsing strings to doubles. We should consider using this library, which is more than 2x faster.
https://github.com/lemire/fast_double_parser

Parsing doubles is important for CSV performance.

Reporter: Antoine Pitrou / @pitrou
Assignee: Antoine Pitrou / @pitrou

Related issues:

• [Python] read_csv from python is slow on some work loads (relates to)

PRs and other links:

• GitHub Pull Request #8494

_{Note: This issue was originally created as ARROW-10328. Please see the migration documentation for further details.}

[asfimport]

Antoine Pitrou / @pitrou:
Issue resolved by pull request 8494
#8494