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Remove CPU locking

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This was already accidentally disabled in ba87b08. It also no longer
appears to be beneficial, and in fact slow things down, e.g. when
evaluating a NixOS system configuration:

  elapsed time:       median =      3.8170  mean =      3.8202  stddev =      0.0195  min =      3.7894  max =      3.8600  [rejected, p=0.00000, Δ=0.36929±0.02513]
This commit is contained in:
Eelco Dolstra 2021-12-22 15:49:51 +01:00
parent ddd7839154
commit 9747ea84b4
11 changed files with 5 additions and 100 deletions
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5
src/libstore/daemon.cc
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@ -4,7 +4,6 @@
#include "store-api.hh"
#include "path-with-outputs.hh"
#include "finally.hh"
#include "affinity.hh"
#include "archive.hh"
#include "derivations.hh"
#include "args.hh"
@ -960,8 +959,8 @@ void processConnection(
});
if (GET_PROTOCOL_MINOR(clientVersion) >= 14 && readInt(from)) {
auto affinity = readInt(from);
setAffinityTo(affinity);
// Obsolete CPU affinity.
readInt(from);
}
readInt(from); // obsolete reserveSpace