Eelco Dolstra a583a2bc59 Run the daemon worker on the same CPU as the client ... On a system with multiple CPUs, running Nix operations through the daemon is significantly slower than "direct" mode: $ NIX_REMOTE= nix-instantiate '<nixos>' -A system real 0m0.974s user 0m0.875s sys 0m0.088s $ NIX_REMOTE=daemon nix-instantiate '<nixos>' -A system real 0m2.118s user 0m1.463s sys 0m0.218s The main reason seems to be that the client and the worker get moved to a different CPU after every call to the worker. This patch adds a hack to lock them to the same CPU. With this, the overhead of going through the daemon is very small: $ NIX_REMOTE=daemon nix-instantiate '<nixos>' -A system real 0m1.074s user 0m0.809s sys 0m0.098s		2013-08-07 14:02:04 +02:00
..
build.cc	Run the daemon worker on the same CPU as the client	2013-08-07 14:02:04 +02:00
derivations.cc	Only substitute wanted outputs of a derivation	2012-11-26 17:15:09 +01:00
derivations.hh	Only substitute wanted outputs of a derivation	2012-11-26 17:15:09 +01:00
gc.cc	Garbage collector: Don't follow symlinks arbitrarily	2013-07-12 14:03:36 +02:00
globals.cc	Disable the copy-from-other-stores substituter	2013-06-20 12:01:33 +02:00
globals.hh	Revert "Prevent config.h from being clobbered"	2013-03-08 01:24:59 +01:00
local-store.cc	Run the daemon worker on the same CPU as the client	2013-08-07 14:02:04 +02:00
local-store.hh	Don't keep "disabled" substituters running	2013-06-20 11:55:15 +02:00
Makefile.am	Add builtin constants ‘langVersion’ and ‘nixVersion’	2012-11-27 13:29:55 +01:00
misc.cc	Don't substitute derivations that have preferLocalBuild set	2013-06-20 19:26:31 +02:00
misc.hh	Don't set $preferLocalBuild and $requiredSystemFeatures in builders	2013-06-20 18:07:27 +00:00
optimise-store.cc	Revert "Prevent config.h from being clobbered"	2013-03-08 01:24:59 +01:00
pathlocks.cc	Set the close-on-exec flag on file descriptors	2012-03-05 20:29:00 +01:00
pathlocks.hh	Use "#pragma once" to prevent repeated header file inclusion	2012-07-18 14:59:03 -04:00
references.cc	Use data() instead of c_str() where appropriate	2012-02-09 18:27:45 +01:00
references.hh	Use "#pragma once" to prevent repeated header file inclusion	2012-07-18 14:59:03 -04:00
remote-store.cc	Run the daemon worker on the same CPU as the client	2013-08-07 14:02:04 +02:00
remote-store.hh	nix-store -q --roots: Respect the gc-keep-outputs/gc-keep-derivations settings	2012-12-20 18:41:44 +01:00
schema.sql	* Store the size of a store path in the database (to be precise, the	2010-11-16 17:11:46 +00:00
store-api.cc	Garbage collector: Don't follow symlinks arbitrarily	2013-07-12 14:03:36 +02:00
store-api.hh	nix-store --export: Export paths in topologically sorted order	2013-05-23 14:55:36 -04:00
worker-protocol.hh	Run the daemon worker on the same CPU as the client	2013-08-07 14:02:04 +02:00