78 points | by todsacerdoti 5 days ago ago
1 comments
Hash consing, ouch. Of course you can fix everything with one more indirection, but those kind of fixes have substantial costs. Esp. compared to a GC which has free consing. It also adds refcounts, which are extremely expensive on writes.
It's like lz4'ing every write.
Hash consing, ouch. Of course you can fix everything with one more indirection, but those kind of fixes have substantial costs. Esp. compared to a GC which has free consing. It also adds refcounts, which are extremely expensive on writes.
It's like lz4'ing every write.