https://bugzilla.novell.com/show_bug.cgi?id=357947
User [EMAIL PROTECTED] added comment https://bugzilla.novell.com/show_bug.cgi?id=357947#c3 --- Comment #3 from Hubert FONGARNAND <[EMAIL PROTECTED]> 2008-02-01 06:06:10 MST --- ok but,if i remove the dataview part, removing speed is higher, but still 15x slower than MS.NET try this : public static void DataRowViewTest() { DateTime begin=DateTime.Now; DataTable dt=new DataTable(); dt.Columns.Add("id",typeof(string)); dt.Columns.Add("parentid",typeof(string)); for (int j=0;j<10;j++) { for (int i=0;i<1000;i++) { DataRow row=dt.NewRow(); row["id"]=Guid.NewGuid(); row["parentid"]=j.ToString(); dt.Rows.Add(row); } } DateTime end=DateTime.Now; Console.WriteLine(" "+dt.Rows.Count+" rows inserted : "+(end-begin)); begin=DateTime.Now; ArrayList list=new ArrayList(); // DataView dv=dt.DefaultView; // dv.RowFilter="parentid='0'"; // // foreach (DataRowView row in dv) // { // list.Add(row.Row); // // } // dv=null; end=DateTime.Now; foreach (DataRow row in dt.Rows) { list.Add(row); } Console.WriteLine("filter done!!! : "+(end-begin)); begin=DateTime.Now; foreach(DataRow r in list) dt.Rows.Remove(r); end=DateTime.Now; Console.WriteLine("line removed"+list.Count+" "+(end-begin)); Console.ReadLine(); } it removes all the 10000lines : on mono : (with MONO_DISABLE_MANAGED_COLLATION=yes) 10000 rows inserted : 00:00:00.4154760 filter done!!! : 00:00:00.0000140 line removed10000 00:00:01.1698200 on MS.NET 10000 rows inserted : 00:00:00.1562470 filter done!!! : 00:00:00 line removed10000 00:00:00.0781235 (15x faster) -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are the QA contact for the bug. _______________________________________________ mono-bugs maillist - [email protected] http://lists.ximian.com/mailman/listinfo/mono-bugs
