WIP: parallelizing

Cargo.lock

@@ -736,6 +736,12 @@ dependencies = [
  "syn 2.0.101",
 ]
 
+[[package]]
+name = "boxcar"
+version = "0.2.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "36f64beae40a84da1b4b26ff2761a5b895c12adc41dc25aaee1c4f2bbfe97a6e"
+
 [[package]]
 name = "brotli"
 version = "8.0.1"
@@ -3928,6 +3934,7 @@ dependencies = [
  "big_s",
  "bimap",
  "bincode",
+ "boxcar",
  "bstr",
  "bumpalo",
  "bumparaw-collections",
@@ -3970,6 +3977,7 @@ dependencies = [
  "obkv",
  "once_cell",
  "ordered-float 5.0.0",
+ "papaya",
  "rand 0.8.5",
  "rayon",
  "rhai",
@@ -4411,6 +4419,16 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "papaya"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f92dd0b07c53a0a0c764db2ace8c541dc47320dad97c2200c2a637ab9dd2328f"
+dependencies = [
+ "equivalent",
+ "seize",
+]
+
 [[package]]
 name = "parking_lot"
 version = "0.12.4"
@@ -5462,6 +5480,16 @@ dependencies = [
  "time",
 ]
 
+[[package]]
+name = "seize"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e4b8d813387d566f627f3ea1b914c068aac94c40ae27ec43f5f33bde65abefe7"
+dependencies = [
+ "libc",
+ "windows-sys 0.52.0",
+]
+
 [[package]]
 name = "semver"
 version = "1.0.26"