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diff --git a/notes/binary_size.md b/notes/binary_size.md new file mode 100644 index 0000000..a79cf9b --- /dev/null +++ b/notes/binary_size.md @@ -0,0 +1,88 @@ + +## Binary Size + +As of 2020-05-24, in early development, the relative binary sizes are: + + 121 MB default debug build + 12 MB default release build + 8.2 MB release build w/ LTO + 6.6 MB release build w/ LTO, striped + +After some small changes: + + 5.9 MB release build w/ LTO, size optimization, other flags + 4.1 MB release build w/ LTO, size optimization, other flags, striped + +Replacing reqwest with minreq: + + 6.3 MB release build w/ LTO, size optimization, other flags + 4.1 MB release build w/ LTO, size optimization, other flags, striped + + (so, not worth it, at least while using fatcat_openapi with hyper+tokio) + +Note that release builds with LTO take *quite* a long time (many minutes). We +probably don't want that to be the defualt for `fatcatd` builds. + + cargo bloat --release --crates + + File .text Size Crate + 12.2% 21.4% 1021.5KiB fatcat_cli + 7.1% 12.5% 596.7KiB fatcat_openapi + 6.3% 11.1% 529.6KiB reqwest + 6.2% 10.9% 518.5KiB std + 3.5% 6.1% 290.3KiB clap + 2.5% 4.3% 205.9KiB regex + 2.4% 4.2% 198.7KiB regex_syntax + 2.1% 3.6% 172.8KiB h2 + 1.9% 3.4% 162.7KiB hyper + 1.8% 3.1% 149.9KiB futures + 1.4% 2.4% 116.9KiB serde_json + 1.3% 2.3% 111.2KiB macaroon + 1.0% 1.8% 85.3KiB unicode_normalization + 0.7% 1.3% 62.4KiB http + 0.6% 1.0% 50.1KiB serde + 0.6% 1.0% 47.5KiB url + 0.5% 0.9% 41.9KiB [Unknown] + 0.4% 0.8% 36.5KiB tokio_reactor + 0.4% 0.7% 31.8KiB env_logger + 0.3% 0.6% 26.6KiB chrono + 3.4% 5.9% 283.3KiB And 57 more crates. Use -n N to show more. + 57.2% 100.0% 4.7MiB .text section size, the file size is 8.2MiB + + + bnewbold@orithena$ cargo bloat --release + Finished release [optimized] target(s) in 0.27s + Analyzing target/release/fatcat-cli + + File .text Size Crate Name + 0.4% 1.0% 53.2KiB regex <regex::exec::ExecNoSync as regex::re_trait::RegularExpression>::capture... + 0.4% 0.8% 44.1KiB regex_syntax regex_syntax::ast::parse::ParserI<P>::parse_with_comments + 0.3% 0.7% 36.8KiB unicode_normalization unicode_normalization::tables::compatibility_fully_decomposed + 0.3% 0.6% 30.3KiB unicode_normalization unicode_normalization::tables::canonical_fully_decomposed + 0.2% 0.5% 25.2KiB data_encoding data_encoding::Encoding::decode_mut + 0.2% 0.5% 24.0KiB fatcat_openapi? <fatcat_openapi::models::_IMPL_DESERIALIZE_FOR_ReleaseEntity::<impl serd... + 0.2% 0.5% 23.5KiB clap clap::app::parser::Parser::get_matches_with + 0.2% 0.4% 21.7KiB clap clap::app::validator::Validator::validate + 0.2% 0.4% 20.6KiB http http::header::name::parse_hdr + 0.2% 0.4% 19.5KiB fatcat_cli fatcat_cli::Specifier::get_from_api + 0.1% 0.3% 16.4KiB fatcat_cli <&mut serde_json::de::Deserializer<R> as serde::de::Deserializer>::deser... + 0.1% 0.3% 16.4KiB fatcat_cli <&mut serde_json::de::Deserializer<R> as serde::de::Deserializer>::deser... + 0.1% 0.3% 16.2KiB fatcat_cli <&mut serde_json::de::Deserializer<R> as serde::de::Deserializer>::deser... + 0.1% 0.3% 16.1KiB fatcat_cli fatcat_cli::run + 0.1% 0.3% 15.2KiB fatcat_cli <&mut serde_json::de::Deserializer<R> as serde::de::Deserializer>::deser... + 0.1% 0.3% 14.3KiB serde_json? <&mut serde_json::de::Deserializer<R> as serde::de::Deserializer>::deser... + 0.1% 0.3% 14.2KiB fatcat_cli <&mut serde_json::de::Deserializer<R> as serde::de::Deserializer>::deser... + 0.1% 0.3% 14.0KiB regex regex::exec::ExecBuilder::build + 0.1% 0.3% 13.8KiB unicode_normalization unicode_normalization::tables::composition_table + 0.1% 0.3% 13.6KiB fatcat_cli <&mut serde_json::de::Deserializer<R> as serde::de::Deserializer>::deser... + 38.6% 89.5% 4.5MiB And 13832 smaller methods. Use -n N to show more. + 43.1% 100.0% 5.1MiB .text section size, the file size is 11.8MiB + +Low hanging fruit includes: + +- reviewing features for reqwest, clap, regex, fatcat_openapi +- replace reqwest with something smaller +- use `ansi-term` (already part of clap) +- consider removing fancy clap features? meh +- look at graph; probably duplicate versions of things + |