A University of Washington startup, PetraVM, has scored $1.5M in funding from Madrona Venture Group and WRF Capital. According to the firm's website, it is developing technology to enable effective and reliable use of now ubiquitous multi-core systems. The firm was founded by Mark Oskin and Luis Ceze, and the Madrona lead on the deal was Matt McIlwain. Xconomy first disclosed the funding round.