timv said... I've definitely felt the IO bottleneck before.. the best solution is to get a really beefy 64-bit multi-core machine with tons of memory to run all your training on. This way you can leave everything in memory.. no more worries! Have you considered posing this as a question on MetaOptimize (http://metaoptimize.com/qa)? 31 August, 2010 22:24 John Langford said... I've seen VW work pret