disable string table compression on illumos in development #1129
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I set rustflags in order to reduce link time on my linux workstation: right now this is under |
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As a check that this at least worked, I ran: during a build, and caught this argv[79] shows we're getting the flag all the way to |
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With this change, the build took 7m13s: The test part was interrupted by #1130. A subsequent After that, an incremental build took 1m20s: (note: using the reported build time there rather than the Without this change (from the tip of "main", 236f2ac), the full build and test took 10m23s: and the incremental build took 1m46s: (using the reported build time for the same reason as above). So this change shaved about 43 seconds off the full build time (7%) and 26 seconds off the incremental build (20%). |
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The only real tradeoff I can think of right now would be resulting binary size and any knock on effects from that. But I anticipate that's not a big concern here. |
leftwo
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Crucible changes: Remove unused fields in IOop (#1149) New downstairs clone subcommand. (#1129) Simplify the do_work_task loop (#1150) Move `Guest` stuff into a module (#1125) Bump nix to 0.27.1 and use new safer Fd APIs (#1110) Move `FramedWrite` work to a separate task (#1145) Use fewer borrows in ExtentInner API (#1147) Update Rust crate reedline to 0.28.0 (#1141) Update Rust crate tokio to 1.36 (#1143) Update Rust crate slog-bunyan to 2.5.0 (#1139) Update Rust crate rayon to 1.8.1 (#1138) Update Rust crate itertools to 0.12.1 (#1137) Update Rust crate byte-unit to 5.1.4 (#1136) Update Rust crate base64 to 0.21.7 (#1135) Update Rust crate async-trait to 0.1.77 (#1134) Discard deferred msgs (#1131) Minor Downstairs cleanup (#1127) Update test_fail_live_repair to support pstop (#1128) Ignore client messages after stopping the IO task (#1126) Move client IO task into a struct (#1124) Bump Rust to 1.75 and fix new Clippy lints (#1123) Propolis changes: PHD: convert to async (#633) PHD: assume specialized Windows images (#636) propolis-standalone-config needn't be a crate standalone: Use tar for snapshot/restore phd: use latest "lab-2.0-opte" target, not a specific version (#637) PHD: add tests for migration of running processes (#623) PHD: fix `cargo xtask phd` tidy not doing anything (#630) PHD: add documentation for `cargo xtask phd` (#629) standalone: improve virtual device creation errors (#632) phd: add Windows Server 2019 guest adapter (#627) PHD: add `cargo xtask phd` to make using PHD nicer (#619)
leftwo
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Feb 9, 2024
Crucible changes: Remove unused fields in IOop (#1149) New downstairs clone subcommand. (#1129) Simplify the do_work_task loop (#1150) Move `Guest` stuff into a module (#1125) Bump nix to 0.27.1 and use new safer Fd APIs (#1110) Move `FramedWrite` work to a separate task (#1145) Use fewer borrows in ExtentInner API (#1147) Update Rust crate reedline to 0.28.0 (#1141) Update Rust crate tokio to 1.36 (#1143) Update Rust crate slog-bunyan to 2.5.0 (#1139) Update Rust crate rayon to 1.8.1 (#1138) Update Rust crate itertools to 0.12.1 (#1137) Update Rust crate byte-unit to 5.1.4 (#1136) Update Rust crate base64 to 0.21.7 (#1135) Update Rust crate async-trait to 0.1.77 (#1134) Discard deferred msgs (#1131) Minor Downstairs cleanup (#1127) Update test_fail_live_repair to support pstop (#1128) Ignore client messages after stopping the IO task (#1126) Move client IO task into a struct (#1124) Bump Rust to 1.75 and fix new Clippy lints (#1123) Propolis changes: PHD: convert to async (#633) PHD: assume specialized Windows images (#636) propolis-standalone-config needn't be a crate standalone: Use tar for snapshot/restore phd: use latest "lab-2.0-opte" target, not a specific version (#637) PHD: add tests for migration of running processes (#623) PHD: fix `cargo xtask phd` tidy not doing anything (#630) PHD: add documentation for `cargo xtask phd` (#629) standalone: improve virtual device creation errors (#632) phd: add Windows Server 2019 guest adapter (#627) PHD: add `cargo xtask phd` to make using PHD nicer (#619) Co-authored-by: Alan Hanson <alan@oxide.computer>
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See #1122. This change configures Cargo to pass
-znostrcompresswhen building on illumos. This flag is documented with:As I read this, the default behavior uses more link time to improve runtime performance over the long term. This doesn't feel like a great tradeoff for development. Using
-znocompstrtabmakes a notable improvement on my incremental rebuild time. I'll post some numbers. @rmustacc, I'd love a +1 from you that I'm not missing something important about the consequences of using this flag in development.There are some caveats:
RUSTFLAGSenvironment variable. That's annoying but I'm not sure where else to put this.