Disable speculative evaluation in coreprep in ghc 9.4, 9.6, 9.8 #2253
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Speculative evaluation was found to cause a large increase in allocations in certain situations. We disable it for now.
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Speculative evaluation was found to cause a large increase in allocations in certain situations.
This should fix the regression we saw in cardano-node: increased allocations and cpu time during mempool snapshotting.