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## The GRAS TODO list
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* generate block task loops with fixed lengths
** need a lookup/jump table
** prove that compiler does unrolling
* handle forecast
** not 100% sure here
* add hooks to specify input reserve
** automatically calculate from output multiple and rel rate
* sources need their own interruptible thread
** topology will pass a thread pool object to its blocks
** blocks will create source thread to topology stop/wait can inter/join
** udp source
** uhd source
* gr stream mux is on drugs
* inform upstream of multiple requirements inposed on input buffs
* handle calculating noutputitems using ninputs as a constraint
* allocation
** hooks for advanced allocation
** intelligent sizing of buffers
** communicate upstream requirements?
** communicate downstream requirements?
* python wrapper for block will come from grextras
* bring in numanuma
** thread prio
** thread affinity
** memory affinity
* track memcpys for block usage stats
* timeout for wait() on executor