I haven't seen any direct comparisons between the two but I think MCE::Grep and MCE::Map are two examples of MCE code that is more readable than the threads equivalent (I should say my threads equivalent)

use MCE::Grep;
my @a = mce_grep { $_ % 5 == 0 } 1..10000;

[download]
versus 
 
use threads;
use Thread::Queue;

my @thread_pool;

my $q = Thread::Queue->new();
my $results = Thread::Queue->new();

for (0..10000)
  {
  $q->enqueue($_);
  }

for (0..1)
  {
  push @thread_pool, threads->create( \&grep );
  }

sub grep
  {
  while (my $work = $q->dequeue() )
    {
    if ( $work % 5 == 0 )
      {
      $results->enqueue($work);
      }
    }
  $q->enqueue(undef);
  }

map {$_->join(); } (@thread_pool);
$results->enqueue(undef);
my @results;
while ( my $result = $results->dequeue() )
  {
  print $result, "\n";
  push @results, $result;
  }

[download]

I'm sure that the threads version could be done much more easily than I hacked together in 5 minutes. It could just be that how I write using threads is just poor. Regardless, I don't think there is a threads implementation as simple as the MCE version. Additionally, this is also a special case where MCE has a built-in function that provides this functionality, but there are similar constructs for most of the simple cases. For what I do there isn't much that can't be implemented using some mixture of MCE::Grep, MCE::Map and MCE::Loop so I'm biased.

I should also note that I haven't written very much (no "production" code as it were) using MCE so I may not have encountered some of its limitations compared to threads.

In reply to Re^2: Wanting some clarification / opinions on MCE vs Threads by jmmitc06
in thread Wanting some clarification / opinions on MCE vs Threads by jmmitc06

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