Re: zlib performance

[yawniek via Digitalmars-d-learn]

On Friday, 7 August 2015 at 08:05:01 UTC, Daniel Kozák wrote:

import
  std.zlib,
  std.file,
  std.stdio,
  std.conv;

void main(string[] args)
{
  auto f = File(args[1], "rb");
  auto uncompressor = new UnCompress(HeaderFormat.gzip);

  foreach (buffer; f.byChunk(4096))
  {
          auto uncompressed =
  cast(char[])(uncompressor.uncompress(buffer.idup));
  write(uncompressed); }
  write(cast(char[])uncompressor.flush);
}

this is faster for me than zcat

not here on os x:
d version:  3.06s user 1.17s system 82% cpu 5.156 total
gzcat   1.79s user 0.11s system 99% cpu 1.899 total