From 816f9c0f6fae0229961bb573dfa0f75ff42c14eb Mon Sep 17 00:00:00 2001 From: Eelco Dolstra Date: Tue, 13 Apr 2010 14:34:11 +0000 Subject: * Use std::tr1::unordered_set instead of std::set for the symbol table. This gives a 10% speed increase on `nix-instantiate /etc/nixos/nixos -A system --readonly-mode'. --- src/libexpr/eval.cc | 1 + 1 file changed, 1 insertion(+) (limited to 'src/libexpr/eval.cc') diff --git a/src/libexpr/eval.cc b/src/libexpr/eval.cc index fbd618d4173b..0505c5b2420c 100644 --- a/src/libexpr/eval.cc +++ b/src/libexpr/eval.cc @@ -1058,6 +1058,7 @@ void EvalState::printStats() printMsg(v, format(" stack space per eval() level: %1% bytes") % ((&x - deepestStack) / (float) maxRecursionDepth)); printMsg(v, format(" values allocated: %1%") % nrValues); printMsg(v, format(" environments allocated: %1%") % nrEnvs); + printMsg(v, format(" symbols in symbol table: %1%") % symbols.size()); } -- cgit 1.4.1