Re: Is there a pure JS implementation of the WOFF2 Brotli codec?

On Thu, Jul 16, 2015 at 5:07 AM, Jonathan Kew <jfkthame@gmail.com> wrote:

> On 15/7/15 17:46, Mike Kamermans wrote:
>
>> Yeah,that's the conclusion we had to draw too - debugging the running
>> process revealed that the emscripten'd library was allocating three
>> massive array buffers (~313MB each), just by loading the library, so
>> that's either a nasty emscripten bug, or could be a deferred allocation
>> pattern that works in C++ but turns into instant allocation in JS.
>>
>
> Note that Brotli makes use of a very large static array, of which there
> are separate copies in the encoder and decoder sources; see
>
>   https://github.com/google/brotli/blob/master/dec/dictionary.h
>   https://github.com/google/brotli/blob/master/enc/dictionary.h


Those arrays are < 128K each, which would only account for a negligible
amount of the sizes Mike observed.

Rob
-- 
lbir ye,ea yer.tnietoehr  rdn rdsme,anea lurpr  edna e hnysnenh hhe uresyf
toD
selthor  stor  edna  siewaoeodm  or v sstvr  esBa  kbvted,t
rdsme,aoreseoouoto
o l euetiuruewFa  kbn e hnystoivateweh uresyf tulsa rehr  rdm  or rnea
lurpr
.a war hsrer holsa rodvted,t  nenh hneireseoouot.tniesiewaoeivatewt sstvr
esn