From 70262145855e2a254663042f01843bb079307db6 Mon Sep 17 00:00:00 2001
From: Jack Thomson <Jackathomson@outlook.com>
Date: Fri, 11 Nov 2022 15:13:58 +0000
Subject: [PATCH] Tidy up features and remove un-needed branching

---
 .github/workflows/rust.yml |  7 +++----
 Cargo.toml                 |  6 +-----
 README.md                  | 24 +++++-------------------
 src/counter.rs             | 12 ++----------
 4 files changed, 11 insertions(+), 38 deletions(-)

diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 0eaf0a3..748d8a4 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -19,10 +19,9 @@ jobs:
 
     steps:
     - uses: hecrj/setup-rust-action@v1
-      with:
-        rust-version: nightly
+        rust-version: stable
     - uses: actions/checkout@v3
     - name: Build
-      run: cargo build --verbose --features nightly
+      run: cargo build --verbose 
     - name: Run tests
-      run: cargo test --verbose --features nightly
+      run: cargo test --verbose 
diff --git a/Cargo.toml b/Cargo.toml
index 5000e47..2be67e5 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,10 +14,6 @@ repository = "https://github.com/JackThomson2/fast-counter"
 rayon = "1.3"
 criterion = "0.3"
 
-[features]
-default = []
-nightly = []
-
 [[bench]]
 name = "incrementer" 
 harness = false
@@ -26,4 +22,4 @@ harness = false
 panic = "abort"
 opt-level = 3
 codegen-units = 1
-lto = "fat"
\ No newline at end of file
+lto = "fat"
diff --git a/README.md b/README.md
index cf0db8c..dec477d 100644
--- a/README.md
+++ b/README.md
@@ -19,31 +19,17 @@ atomic_counter/16       time:   [410.49 us 411.71 us 412.99 us]
 
 ------------------------------------------------------------------------------
 
-fast_counter_nightly/2  time:   [264.99 us 267.24 us 269.14 us]
-                        thrpt:  [121.75 Melem/s 122.61 Melem/s 123.66 Melem/s]
-
-fast_counter_nightly/4  time:   [252.67 us 255.30 us 257.85 us]
-                        thrpt:  [127.08 Melem/s 128.35 Melem/s 129.68 Melem/s]
-
-fast_counter_nightly/8  time:   [193.19 us 197.00 us 200.92 us]
-                        thrpt:  [163.09 Melem/s 166.34 Melem/s 169.62 Melem/s]
-
-fast_counter_nightly/16 time:   [154.45 us 159.36 us 164.75 us]
-                        thrpt:  [198.90 Melem/s 205.63 Melem/s 212.16 Melem/s]
-
-------------------------------------------------------------------------------
-
-fast_counter_stable/2   time:   [299.28 us 300.40 us 301.52 us]
+fast_counter/2   time:   [299.28 us 300.40 us 301.52 us]
                         thrpt:  [108.68 Melem/s 109.08 Melem/s 109.49 Melem/s]
 
-fast_counter_stable/4   time:   [276.78 us 278.90 us 281.02 us]
+fast_counter/4   time:   [276.78 us 278.90 us 281.02 us]
                         thrpt:  [116.61 Melem/s 117.49 Melem/s 118.39 Melem/s]
 
-fast_counter_stable/8   time:   [194.94 us 199.44 us 204.17 us]
+fast_counter/8   time:   [194.94 us 199.44 us 204.17 us]
                         thrpt:  [160.49 Melem/s 164.30 Melem/s 168.10 Melem/s]
 
-fast_counter_stable/16  time:   [152.30 us 155.98 us 159.92 us]
+fast_counter/16  time:   [152.30 us 155.98 us 159.92 us]
                         thrpt:  [204.91 Melem/s 210.08 Melem/s 215.16 Melem/s]
 ```
 
-Big shoutout to @jimvdl who put the core starting point for this together
\ No newline at end of file
+Big shoutout to @jimvdl who put the core starting point for this together
diff --git a/src/counter.rs b/src/counter.rs
index f76f863..a4cbab8 100644
--- a/src/counter.rs
+++ b/src/counter.rs
@@ -10,7 +10,7 @@ pub struct ConcurrentCounter {
 static THREAD_COUNTER: AtomicUsize = AtomicUsize::new(1);
 
 thread_local! {
-    static THREAD_ID: Cell<usize> = Cell::new(0);
+    static THREAD_ID: Cell<usize> = Cell::new(THREAD_COUNTER.fetch_add(1, Ordering::SeqCst));
 }
 
 impl ConcurrentCounter {
@@ -28,15 +28,7 @@ impl ConcurrentCounter {
     #[inline]
     fn thread_id(&self) -> usize {
         THREAD_ID.with(|id| {
-            match id.get() {
-                0 => {
-                    let new_id = THREAD_COUNTER.fetch_add(1, Ordering::SeqCst);
-                    id.set(new_id);
-
-                    new_id
-                },
-                i => i
-            }
+            id.get()
         })
     }