On 30 Oct 2015 9:14 pm, "Paul Eggert" <eggert@cs.ucla.edu> wrote:
>
> On 10/28/2015 08:12 AM, Le Wang wrote:
>>
>>
>> I thought lexical-binding should always result in perf gains
>
>
> Isn't lexical binding implemented by passing around a list of bindings?  That might explain the performance problems you see. (Sorry, I haven't looked at the actual code; this is just my vague recollection.)

I believe that's only the case for non compiled code.