PPT-Exploiting Inter-Warp Heterogeneity

to Improve GPGPU Performance Rachata Ausavarungnirun Saugata Ghose Onur Kayiran Gabriel H Loh Chita Das Mahmut Kandemir Onur Mutlu Overview of This Talk Problem . R OSENBAUM Before R A Fisher introduced randomized experimentation the literature on empirical methods emphasized reducing het erogeneity of experimental units as the key to inference about the effects caused by treatments To what extent is heteroge Wearable Reference Platform (WaRP) with Standard Daughter Board i.MX 6SoloLiteBased on ARM Disclosure. Vincent. CH14. I. ntroduction. In . this chapter, we . will try to. . extract further information from an application during an . actual attack. . . This mainly involves . I. nteracting . Goal. Idle thread. Active thread. Compaction. Compact threads in a warp to coalesce (and eliminate) idle cycles .  improve utilization. References. V. . Narasiman. , et. al., “Improving GPU Performance via Large Warps and Two-Level Scheduling,” MICRO 2011. : Sharing Requests with Inter-Warp Coalescing for Throughput Processors. John Kloosterman. , Jonathan Beaumont, Mick Wollman, Ankit . Sethia. , Ron . Dreslinski. , Trevor . Mudge. , Scott . Mahlke. Computer Engineering Laboratory. : Sharing Requests with Inter-Warp Coalescing for Throughput Processors. John Kloosterman. , Jonathan Beaumont, Mick Wollman, Ankit . Sethia. , Ron . Dreslinski. , Trevor . Mudge. , Scott . Mahlke. Computer Engineering Laboratory. Supervisor: Dr. Doug King. Niloofar. . Alavi. Background: Biodiversity and Habitat . H. eterogeneity. Biodiversity:. . T. he . variability among living organisms from all sources including, terrestrial, marine and other aquatic ecosystems and the ecological complexes of which they are part . Goal. Idle thread. Active thread. Compaction. Compact threads in a warp to coalesce (and eliminate) idle cycles .  improve utilization. References. V. . Narasiman. , et. al., “Improving GPU Performance via Large Warps and Two-Level Scheduling,” MICRO 2011. EXTRA WARP/WEFT. Extra warp or weft (supplementary warp/weft).  . A class of weave in which extra warp of weft threads are used in addition to ground threads. The extra threads are normally used as figuring threads for decorative purposes.. Loose Round Robin (LRR). Goes around to every warp . and issue if ready (R). If warp is not ready (W), . skip and issue next ready warp. Issue: Warps all run at the same speed,. potentially all reaching memory access. Emma Mead. Methodologist at the . Cochrane Skin . Group, University of Nottingham. Research associate and PhD student, Teesside University. Email: . Emma.Mead@nottingham.ac.uk. Dr . Ben . Carter. Statistics Editor for the Cochrane Skin Group, . Hoda NaghibiJouybari Khaled N. Khasawneh and Nael Abu- Ghazaleh Constructing and Characterizing Covert Channels on GPGPUs Covert Channel Malicious indirect communication of sensitive data. Characterization. , . Impact. , and . Mitigation. Ping Xiang. ,. . Yi Yang,. . Huiyang. . Zhou. 1. The 20th IEEE International Symposium On High Performance Computer Architecture. , Orlando, Florida, . Goes around to every warp . and issue if ready (R). If warp is not ready (W), . skip and issue next ready warp. Issue: Warps all run at the same speed,. potentially all reaching memory access. phase together and stalling..