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From: Apache Wiki <wikidiffs@apache.org>
To: Apache Wiki <wikidiffs@apache.org>
Date: Fri, 21 Feb 2014 06:08:51 -0000
Message-ID: <20140221060851.24081.97145@eos.apache.org>
Subject: 
 =?utf-8?q?=5BHama_Wiki=5D_Update_of_=22Architecture=22_by_edwardyoon?=
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The "Architecture" page has been changed by edwardyoon:
https://wiki.apache.org/hama/Architecture?action=3Ddiff&rev1=3D175&rev2=3D1=
76

  =

  =3D=3D Communication and Synchronization Process =3D=3D
  =

- Each BSPTask has a set of private outgoing and incoming queues. So, =

+ Each BSP task has a set of Outgoing Message Manager and Incoming Queue.
  =

+ Outgoing Message Manager collects the message to be sent, serializes it, =
compresses it and puts it in a bundles. At barrier synchronization phase, e=
ach BSP task exchanges the bundles, deserializes it, decompresses it and pu=
ts it into the Incoming Queue.
-  1. Each task puts the message to be sent into message bundle asynchronou=
sly.
-  2. At sync() phase, sends them to destination Task. The received bundles=
 from others goes into incoming (local) queue after unbundling.
  =

  =3D=3D System Diagram =3D=3D
  {{attachment:arch.png|alt Hama Cluster Startup Procedure}}