Eelco Dolstra b9e5b908ed Provide an efficient implementation of ‘elem’ ... The one in Nixpkgs is O(n^2), this one is O(n). Big reduction in the number of list allocations. Statistics before (on a NixOS system config): time elapsed: 1.17982 size of a value: 24 environments allocated: 1543334 (39624560 bytes) list elements: 9612638 (76901104 bytes) list concatenations: 37434 values allocated: 1854933 (44518392 bytes) attribute sets allocated: 392040 right-biased unions: 186334 values copied in right-biased unions: 591137 symbols in symbol table: 18272 number of thunks: 1392467 number of thunks avoided: 1507311 number of attr lookups: 430801 number of primop calls: 691600 number of function calls: 1492502 Statistics after: time elapsed: 1.08683 size of a value: 24 environments allocated: 1384376 (35809568 bytes) list elements: 6946783 (55574264 bytes) list concatenations: 37434 values allocated: 1760440 (42250560 bytes) attribute sets allocated: 392040 right-biased unions: 186334 values copied in right-biased unions: 591137 symbols in symbol table: 18273 number of thunks: 1297673 number of thunks avoided: 1380759 number of attr lookups: 430802 number of primop calls: 628912 number of function calls: 1333544		2012-08-13 01:05:35 -04:00
..
attr-path.cc	Fix compilation on FreeBSD	2012-03-05 22:04:40 +01:00
attr-path.hh	Use "#pragma once" to prevent repeated header file inclusion	2012-07-18 14:59:03 -04:00
common-opts.cc	Fix error message	2012-02-09 18:56:48 +01:00
common-opts.hh	Use "#pragma once" to prevent repeated header file inclusion	2012-07-18 14:59:03 -04:00
eval-inline.hh	Use "#pragma once" to prevent repeated header file inclusion	2012-07-18 14:59:03 -04:00
eval.cc	Add a "filter" primop	2012-08-13 00:28:08 -04:00
eval.hh	Add some more evaluations stats	2012-08-12 23:41:48 -04:00
get-drvs.cc	* Inline some functions and get rid of the indirection through	2012-02-04 13:50:25 +00:00
get-drvs.hh	Use "#pragma once" to prevent repeated header file inclusion	2012-07-18 14:59:03 -04:00
lexer.l	* Add a Nix expression search path feature. Paths between angle	2011-08-06 16:05:24 +00:00
Makefile.am	* Inline some functions and get rid of the indirection through	2012-02-04 13:50:25 +00:00
names.cc	* Export the nix-env derivation name parsing and version comparison	2008-07-01 10:10:32 +00:00
names.hh	Use "#pragma once" to prevent repeated header file inclusion	2012-07-18 14:59:03 -04:00
nix.sdf	First attempt to update Nix SDF grammar to match the actual bison grammar	2008-06-04 14:36:46 +00:00
nixexpr.cc	* Allow a default value in attribute selection by writing	2011-07-13 12:19:57 +00:00
nixexpr.hh	Add some basic profiling support to the evaluator	2012-08-12 23:29:28 -04:00
parser.y	Use Bison 2.5	2012-04-13 14:28:26 +02:00
primops.cc	Provide an efficient implementation of ‘elem’	2012-08-13 01:05:35 -04:00
symbol-table.hh	Use "#pragma once" to prevent repeated header file inclusion	2012-07-18 14:59:03 -04:00
value-to-xml.cc	Fix compilation on FreeBSD	2012-03-05 22:04:40 +01:00
value-to-xml.hh	Use "#pragma once" to prevent repeated header file inclusion	2012-07-18 14:59:03 -04:00
value.hh	Use "#pragma once" to prevent repeated header file inclusion	2012-07-18 14:59:03 -04:00