clawhmmer:

blast: dynamic programming but relies on adhoc gap penalties, it still determines the type of guees
HMMer:" probabilites model. Its robust, because it is a probabilisting it requires more flops

new architectures:

1_ An order of magnitute more
2) Extremely parallel in nature
3) tiny processors
4) They share PC

thousands of threads needed

Brook of GPU:

1) Data is divided into streams
2) small function as KERNEL. fixed number of inputs and fix output
3) Encourages a data parallel type of programming

challenges:
1) current software doesn't map well
2) large compute-> fetch ratio in the kernel
3)

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