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2012 10 19
jmcddn edited this page Oct 19, 2012
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#STATUS
###ORRAN
- Big push from state and vendors to setup MOC.
- Possible announcement from Governor
- Requesting space / connections from BU to host MOC & to interface with the government entities.
- Priory MSI -> ioAPIC questions with Yi and Rich. Can it be optimized?
###DAN
- Apache / MapReduce benchmark suite running on (VMs) on KD-SESA.
- Plan to swap MR for EBBs, let this drive the Linux library (EBBlib)
- JA wants a write-up
###JIM
- Bring development unto par on BG fronted w/ IBM toolchain
- Replace GCC atomics throughout EBBRT
- Jim had questions about the underlying routes and p2p/broadcast of tree (and how BG linux implements)
###JA
- Torus implementation considering CNS -> SPI -> CNK (IBM firemware for BG)
- BG includes to book and abandons them afterward (not removed from address space)
- Elasticity as a second order to scale. I.e. cripple KH to allow for easy internode-communication
- Will need full-blown Linixcies required for real APPs. KH allows for this integration
###MARK
- got running on BG/P, ran comparisons between PC and BG/P
- each allocation is allocated to a single core
- 200 image pairs distributed across 4096 cores
- each convolution uses 1 node, each quadrant of image has core. Determined by the division of work
- Cumulative work on PC 122h, 9.5 minutes
- Coming next, IO optimized version. No collective or deduplication efforts on BG, time is dominated by BG's IO path.
- Huge datapoint hour to a minute. Scaling (law?) from quadratic to linear.