The super fast libraries mention in the article Pixie, Zippy, SuperSnappy all use GC. They can beat or tie with the best C libs. But in order to be fast they don't use GC in the critical hot paths but pre-allocate work buffers to the right size or allocate stack objects instead. Surprisingly, going outside the bounds of the GC does not feel that foreign or wried in Nim. It's not hard.
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The super fast libraries mention in the article Pixie, Zippy, SuperSnappy all use GC. They can beat or tie with the best C libs. But in order to be fast they don't use GC in the critical hot paths but pre-allocate work buffers to the right size or allocate stack objects instead. Surprisingly, going outside the bounds of the GC does not feel that foreign or wried in Nim. It's not hard.