perf(app): stop unbounded WASM heap growth and idle-CPU churn (#1721)

fluxer_app/rust/libfluxcore/Cargo.lock

@@ -53,12 +53,6 @@ dependencies = [
  "shlex",
 ]
 
-[[package]]
-name = "cfg-if"
-version = "0.1.10"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4785bdd1c96b2a846b2bd7cc02e86b6b3dbf14e7e53446c4f54c92a361040822"
-
 [[package]]
 name = "cfg-if"
 version = "1.0.4"
@@ -111,7 +105,7 @@ version = "0.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "899def5c37c4fd7b2664648c28120ecec138e4d395b459e5ca34f9cce2dd77fd"
 dependencies = [
- "cfg-if 1.0.4",
+ "cfg-if",
  "libc",
  "r-efi 5.3.0",
  "wasip2",
@@ -123,7 +117,7 @@ version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0de51e6874e94e7bf76d726fc5d13ba782deca734ff60d5bb2fb2607c7406555"
 dependencies = [
- "cfg-if 1.0.4",
+ "cfg-if",
  "libc",
  "r-efi 6.0.0",
  "wasip2",
@@ -203,7 +197,6 @@ version = "0.1.0"
 dependencies = [
  "proptest",
  "wasm-bindgen",
- "wee_alloc",
  "zstd",
 ]
 
@@ -225,12 +218,6 @@ version = "2.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f8ca58f447f06ed17d5fc4043ce1b10dd205e060fb3ce5b979b8ed8e59ff3f79"
 
-[[package]]
-name = "memory_units"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8452105ba047068f40ff7093dd1d9da90898e63dd61736462e9cdda6a90ad3c3"
-
 [[package]]
 name = "num-traits"
 version = "0.2.19"
@@ -530,7 +517,7 @@ version = "0.2.123"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a254a4b10c19a76f09a27640e7ffbf9bc30bf67e16a3bf28aaefa4920fe81563"
 dependencies = [
- "cfg-if 1.0.4",
+ "cfg-if",
  "once_cell",
  "rustversion",
  "wasm-bindgen-macro",
@@ -603,40 +590,6 @@ dependencies = [
  "semver",
 ]
 
-[[package]]
-name = "wee_alloc"
-version = "0.4.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dbb3b5a6b2bb17cb6ad44a2e68a43e8d2722c997da10e928665c72ec6c0a0b8e"
-dependencies = [
- "cfg-if 0.1.10",
- "libc",
- "memory_units",
- "winapi",
-]
-
-[[package]]
-name = "winapi"
-version = "0.3.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
-dependencies = [
- "winapi-i686-pc-windows-gnu",
- "winapi-x86_64-pc-windows-gnu",
-]
-
-[[package]]
-name = "winapi-i686-pc-windows-gnu"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
-
-[[package]]
-name = "winapi-x86_64-pc-windows-gnu"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
-
 [[package]]
 name = "windows-link"
 version = "0.2.1"

fluxer_app/rust/libfluxcore/Cargo.toml

@@ -10,7 +10,6 @@ crate-type = ["cdylib", "rlib"]
 
 [dependencies]
 wasm-bindgen = "=0.2.123"
-wee_alloc = {version = "0.4.5", default-features = false}
 zstd = {version = "0.13.3", default-features = false, features = ["no_asm", "thin", "wasm"]}
 
 [dev-dependencies]

fluxer_app/rust/libfluxcore/src/lib.rs

@@ -9,10 +9,6 @@ use formats::is_animated_image_bytes;
 use rgba::{TransformRequest, crop_rotate_rgba_alloc};
 use wasm_bindgen::prelude::*;
 
-#[cfg(target_arch = "wasm32")]
-#[global_allocator]
-static WASM_ALLOCATOR: wee_alloc::WeeAlloc = wee_alloc::WeeAlloc::INIT;
-
 #[wasm_bindgen]
 #[allow(clippy::too_many_arguments)]
 pub fn crop_rotate_rgba_raw(