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Nixpkgs Stdenv

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25 May 2025
@rosscomputerguy:matrix.orgTristan Ross So I have a comparison between pkgsMusl.stdenv and crossStdenv.configs.aarch64-unknown-linux-musl 01:37:56
@rosscomputerguy:matrix.orgTristan Ross

crossStdenv.configs.aarch64-unknown-linux-musl

{
  "cpuTime": 0.43762001395225525,
  "envs": {
    "bytes": 5428488,
    "elements": 369695,
    "number": 308866
  },
  "gc": {
    "cycles": 1,
    "heapSize": 402915328,
    "totalBytes": 79396896
  },
  "list": {
    "bytes": 717400,
    "concats": 4609,
    "elements": 89675
  },
  "nrAvoided": 294217,
  "nrExprs": 135112,
  "nrFunctionCalls": 295668,
  "nrLookups": 152167,
  "nrOpUpdateValuesCopied": 2227726,
  "nrOpUpdates": 12343,
  "nrPrimOpCalls": 114176,
  "nrThunks": 263414,
  "sets": {
    "bytes": 42449136,
    "elements": 2626304,
    "number": 26767
  },
  "sizes": {
    "Attr": 16,
    "Bindings": 16,
    "Env": 8,
    "Value": 24
  },
  "symbols": {
    "bytes": 321885,
    "number": 32150
  },
  "time": {
    "cpu": 0.43762001395225525,
    "gc": 0.043000000000000003,
    "gcFraction": 0.09825876017793679
  },
  "values": {
    "bytes": 20363664,
    "number": 848486
  }
}

pkgsMusl.stdenv

{
  "cpuTime": 0.5026220083236694,
  "envs": {
    "bytes": 4656672,
    "elements": 324861,
    "number": 257223
  },
  "gc": {
    "cycles": 1,
    "heapSize": 402915328,
    "totalBytes": 125050816
  },
  "list": {
    "bytes": 601264,
    "concats": 4389,
    "elements": 75158
  },
  "nrAvoided": 262676,
  "nrExprs": 131023,
  "nrFunctionCalls": 242926,
  "nrLookups": 125858,
  "nrOpUpdateValuesCopied": 3930750,
  "nrOpUpdates": 13551,
  "nrPrimOpCalls": 104327,
  "nrThunks": 322854,
  "sets": {
    "bytes": 73163712,
    "elements": 4542912,
    "number": 29820
  },
  "sizes": {
    "Attr": 16,
    "Bindings": 16,
    "Env": 8,
    "Value": 24
  },
  "symbols": {
    "bytes": 320546,
    "number": 32025
  },
  "time": {
    "cpu": 0.5026220083236694,
    "gc": 0.07200000000000001,
    "gcFraction": 0.14324880090335151
  },
  "values": {
    "bytes": 32448624,
    "number": 1352026
  }
}
01:38:49

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