RushTI optimized mode

RushTI now has an alternative execution mode: OPT
It allows for an optimized execution schedule.

To use the new OPT mode, execute rushti like this:
RushTI.py tasks.txt 2 opt

With a tasks.txt file like this:

id="1" predecessors="" instance="tm1srv01" process="}bedrock.server.wait" pWaitSec=1
id="2" predecessors="1" instance="tm1srv02" process="}bedrock.server.wait" pWaitSec=2
id="3" predecessors="1" instance="tm1srv01" process="}bedrock.server.wait" pWaitSec=3
id="4" predecessors="1" instance="tm1srv02" process="}bedrock.server.wait" pWaitSec=4
id="5" predecessors="2,3" instance="tm1srv01" process="}bedrock.server.wait" pWaitSec=5
id="6" predecessors="4,5" instance="tm1srv02" process="}bedrock.server.wait" pWaitSec=6
id="7" predecessors="4" instance="tm1srv01" process="}bedrock.server.wait" pWaitSec=7
id="8" predecessors="6" instance="tm1srv02" process="}bedrock.server.wait" pWaitSec=8`

When you have individual dependencies between your processes, but you want to use parallelization nonetheless, this can make quite a difference.

The old execution mode is still the default mode, so if you don’t provide the OPT argument RushTI will assume you want to use the normal mode.