diff options
Diffstat (limited to 'cli/tsc/mod.rs')
-rw-r--r-- | cli/tsc/mod.rs | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/cli/tsc/mod.rs b/cli/tsc/mod.rs index c9ff4668a..343df71df 100644 --- a/cli/tsc/mod.rs +++ b/cli/tsc/mod.rs @@ -56,6 +56,14 @@ pub static COMPILER_SNAPSHOT: Lazy<Box<[u8]>> = Lazy::new( static COMPRESSED_COMPILER_SNAPSHOT: &[u8] = include_bytes!(concat!(env!("OUT_DIR"), "/COMPILER_SNAPSHOT.bin")); + // NOTE(bartlomieju): Compressing the TSC snapshot in debug build took + // ~45s on M1 MacBook Pro; without compression it took ~1s. + // Thus we're not not using compressed snapshot, trading off + // a lot of build time for some startup time in debug build. + #[cfg(debug_assertions)] + return COMPRESSED_COMPILER_SNAPSHOT.to_vec().into_boxed_slice(); + + #[cfg(not(debug_assertions))] zstd::bulk::decompress( &COMPRESSED_COMPILER_SNAPSHOT[4..], u32::from_le_bytes(COMPRESSED_COMPILER_SNAPSHOT[0..4].try_into().unwrap()) |