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Games

Developing Games On and For Linux/SteamOS 145

Posted by Soulskill from the year-of-linux-on-the-console dept.
An anonymous reader writes "With the release of SteamOS, developing video game engines for Linux is a subject with increasing interest. This article is an initiation guide on the tools used to develop games, and it discusses the pros and cons of Linux as a platform for developing game engines. It goes over OpenGL and drivers, CPU and GPU profiling, compilers, build systems, IDEs, debuggers, platform abstraction layers and other tools."
Ruby

Ruby 2.1.0 Released 65

Posted by Soulskill from the not-dying-after-all dept.
Today marks the release of Ruby version 2.1.0. A brief list of changes since 2.0.0 has been posted, and file downloads are available. Here are some of the changes:
  • Now the default values of keyword arguments can be omitted. Those 'required keyword arguments" need giving explicitly at the call time.
  • Added suffixes for integer and float literals: 'r', 'i', and 'ri'.
  • def-expr now returns the symbol of its name instead of nil.
  • rb_profile_frames() added. Provides low-cost access to the current ruby stack for callstack profiling.
  • introduced the generational GC a.k.a RGenGC (PDF).
Databases

Why Don't Open Source Databases Use GPUs? 241

Posted by Unknown Lamer from the connection-machines-rise-from-the-grave dept.
An anonymous reader writes "A recent paper from Georgia Tech (abstract, paper itself) describes a system than can run the complete TPC-H benchmark suite on an NVIDIA Titan card, at a 7x speedup over a commercial database running on a 32-core Amazon EC2 node, and a 68x speedup over a single core Xeon. A previous story described an MIT project that achieved similar speedups. There has been a steady trickle of work on GPU-accelerated database systems for several years, but it doesn't seem like any code has made it into Open Source databases like MonetDB, MySQL, CouchDB, etc. Why not? Many queries that I write are simpler than TPC-H, so what's holding them back?"

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