Why would introducing a panic cause a 20% performance increase

• cargo-show-asm

  15 578 8.5 Rust

  cargo subcommand showing the assembly, LLVM-IR and MIR generated for Rust code

Executing cargo-show-asm on the before and after doesn't show large difference in total lines emitted (1061 vs 1102):

• coz

  18 3,819 6.0 C

  Coz: Causal Profiling

  

Perhaps you're thinking of the coz profiler (https://github.com/plasma-umass/coz)?

• WorkOS

  workos.com sponsored

  The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.

  

• stabilizer

  6 544 0.0 Prolog

  Stabilizer: Rigorous Performance Evaluation

Nope, he is thinking of that team's previous work, stabilizer. See this talk for more information on both. It is an excellent talk.

• compiler-team

  46 377 6.5 HTML

  A home for compiler team planning documents, meeting minutes, and other such things.

  

I think this is the -Z randomize-layout flag of rustc.

• flamegraph

  47 4,241 7.4 Rust

  Easy flamegraphs for Rust projects and everything else, without Perl or pipes <3 (by flamegraph-rs)

  

Use cargo-flamegraph and do a side-by-side with and without the panic?

• InfluxDB

  www.influxdata.com sponsored

  Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.

  

Suggest a related project