OpenEuphoria

Re: Euphoria 2.4 Alpha-test Release!

• Posted by Juergen Luethje <eu.lue at gmx.de> Feb 24, 2003
• 468 views

Hi Rob, you wrote:

<snip>

> The &= operation is slower in this particular case,
> (millions of concatenations),
> because in 2.3 exw.exe and ex.exe use a special
> Watcom _expand() routine to expand
> the block "in-place". After switching to HeapAlloc, I could
> no longer (easily) use that trick. ex.exe is not affected.
> Other C compilers either do not support this trick at all,
> or it's broken (Borland). I'll review some of my algorithms
> again, now that I'm using HeapAlloc.
>
> By the way, the reason for using HeapAlloc on
> the standard heap in 2.4, is so .dll's written in Euphoria
> can properly free data allocated in the main program,
> and vice versa. That wasn't working correctly in 2.3
> and earlier, although you might not notice. You'd have
> two separate heaps, which (kind of) worked,
> but could never be made totally correct.
>
> -- Rob Craig

Thanks for this interesting explanation!

Best regards,
   Juergen

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