To run an old document faster, and use the new features of L^ATEX2_e, you should try using <#671#> L^ATEX2_e<#569#><#569#> native mode<#671#>. This is done by replacing the command:

However, some documents which can be processed in L^ATEX~2.09 compatibility mode may not work in native mode. Some L^ATEX~2.09 packages will only work with L^ATEX2_e<#580#><#580#> in 2.09 compatibility mode. Some documents will cause errors because of L^ATEX2_e's improved error detection abilities. But most L^ATEX~2.09 documents can be processed by L^ATEX2_e<#581#><#581#>'s native mode with the above change. Again, the easiest way to find out whether your documents can be processed in native mode is to try it!

Native mode