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authorBryan Newbold <bnewbold@archive.org>2021-02-09 20:13:05 -0800
committerBryan Newbold <bnewbold@archive.org>2021-02-09 20:13:05 -0800
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+
+## 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
+