Robert Bragg 844b578128 matrix-stack: use GArray instead of GSList for stack
In some micro-benchmarks testing journal throughput the list
manipulation jumps pretty high in the profile. This replaces the GSList
usage with a GArray instead which is effectively a grow only allocation
that means we avoid ongoing allocations while manipulating the stack
mid-scene.
2010-11-04 18:35:16 +00:00
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