[PATCH] Performance improvements in fetch of string data
--------------------------------------------------------
Key: DNET-452
URL: http://tracker.firebirdsql.org/browse/DNET-452
Project: .NET Data provider
Issue Type: Improvement
Components: ADO.NET Provider
Affects Versions: 2.7.7
Environment: Windows 7 x64, .NET 4.0
Reporter: Valeriy K.
Assignee: Jiri Cincura
Attachments: after.png, before.png
While working on performance improvement in my application, I have founded a
bottleneck in FirebirdSql.Data.Client.Common.XsqldaMarshaler.GetString(Charset,
Byte[]).
After changing:
return value.Replace('\0', ' ').Trim();
To:
return value.TrimEnd('\0', ' ');
I get 4x performance boost.
Please, see attached profiler screenshots.
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