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annotate rust/hg-core/src/exit_codes.rs @ 52056:8b7123c8947b

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update: add a Rust fast-path when updating from null (and clean) This case is easy to detect and we have all we need to generate a valid working copy and dirstate entirely in Rust, which speeds things up considerably: On my machine updating a repo of ~300k files goes from 10.00s down to 4.2s, all while consuming 50% less system time, with all caches hot. Something to note is that further improvements will probably happen with the upcoming `InnerRevlog` series that does smarter mmap hanlding, especially for filelogs. Here are benchmark numbers on a machine with only 4 cores (and no SMT enabled) ``` ### data-env-vars.name = heptapod-public-2024-03-25-ds2-pnm # benchmark.name = hg.command.update # bin-env-vars.hg.py-re2-module = default # bin-env-vars.hg.changeset.node = <this change> # benchmark.variants.atomic-update = no # benchmark.variants.scenario = null-to-tip # benchmark.variants.worker = default default: 5.328762 ~~~~~ rust: 1.308654 (-75.44%, -4.02) ### data-env-vars.name = mercurial-devel-2024-03-22-ds2-pnm # benchmark.name = hg.command.update # bin-env-vars.hg.py-re2-module = default # bin-env-vars.hg.changeset.node = <this change> # benchmark.variants.atomic-update = no # benchmark.variants.scenario = null-to-tip # benchmark.variants.worker = default default: 1.693271 ~~~~~ rust: 1.151053 (-32.02%, -0.54) ### data-env-vars.name = mozilla-unified-2024-03-22-ds2-pnm # benchmark.name = hg.command.update # bin-env-vars.hg.py-re2-module = default # bin-env-vars.hg.changeset.node = <this change> # benchmark.variants.atomic-update = no # benchmark.variants.scenario = null-to-tip # benchmark.variants.worker = default default: 38.901613 ~~~~~ rust: 11.637880 (-70.08%, -27.26) ### data-env-vars.name = netbsd-xsrc-public-2024-09-19-ds2-pnm # benchmark.name = hg.command.update # bin-env-vars.hg.py-re2-module = default # bin-env-vars.hg.changeset.node = <this change> # benchmark.variants.atomic-update = no # benchmark.variants.scenario = null-to-tip # benchmark.variants.worker = default default: 4.793727 ~~~~~ rust: 1.505905 (-68.59%, -3.29) ```
author Rapha?l Gom?s <rgomes@octobus.net>
date Tue, 01 Oct 2024 13:49:11 +0200
parents 7c93e38a0bbd
children
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6e49769b7f97 rhg: add exit code to HgError::Abort()
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1 pub type ExitCode = i32;
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2
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3 /// Successful exit
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4 pub const OK: ExitCode = 0;
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5
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6 /// Generic abort
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7 pub const ABORT: ExitCode = 255;
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8
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9 // Abort when there is a config related error
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10 pub const CONFIG_ERROR_ABORT: ExitCode = 30;
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12 /// Indicates that the operation might work if retried in a different state.
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13 /// Examples: Unresolved merge conflicts, unfinished operations
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14 pub const STATE_ERROR: ExitCode = 20;
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16 // Abort when there is an error while parsing config
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17 pub const CONFIG_PARSE_ERROR_ABORT: ExitCode = 10;
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18
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19 /// Generic something completed but did not succeed
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20 pub const UNSUCCESSFUL: ExitCode = 1;
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21
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22 /// Command or feature not implemented by rhg
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23 pub const UNIMPLEMENTED: ExitCode = 252;
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25 /// The fallback path is not valid
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26 pub const INVALID_FALLBACK: ExitCode = 253;