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c8d3882cdc
parallel as possible (similar to GNU Make's `-j' switch). This is useful on SMP systems, but it is especially useful for doing builds on multiple machines. The idea is that a large derivation is initiated on one master machine, which then distributes sub-derivations to any number of slave machines. This should not happen synchronously or in lock-step, so the master must be capable of dealing with multiple parallel build jobs. We now have the infrastructure to support this. TODO: substitutes are currently broken.
19 lines
342 B
Nix
19 lines
342 B
Nix
let {
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mkDrv = text: inputs: derivation {
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name = "parallel";
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system = "@system@";
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builder = "@shell@";
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args = ["-e" "-x" ./parallel.builder.sh];
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shared = "@extra1@";
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inherit text inputs;
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};
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a = mkDrv "a" [];
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b = mkDrv "b" [a];
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c = mkDrv "c" [a];
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d = mkDrv "d" [a];
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e = mkDrv "e" [b c d];
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body = e;
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}
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