Update channel and change group_by to chunk_by

.github/workflows/coverage.yaml

@@ -12,12 +12,12 @@ jobs:
       - uses: dtolnay/rust-toolchain@master
         with:
           components: rustfmt
-          toolchain: nightly-2024-01-04
+          toolchain: nightly-2024-03-10
       - uses: Swatinem/rust-cache@v2
       - name: Install cargo-llvm-cov
         uses: taiki-e/install-action@cargo-llvm-cov
       - name: Generate code coverage
-        run: cargo +nightly-2024-01-04 llvm-cov --codecov --output-path codecov.json
+        run: cargo +nightly-2024-03-10 llvm-cov --codecov --output-path codecov.json
         env:
           RUSTFLAGS: "-C target-feature=+avx512f"
       - name: Upload coverage to Codecov

rust-toolchain.toml

@@ -1,2 +1,2 @@
 [toolchain]
-channel = "nightly-2024-01-04"
+channel = "nightly-2024-03-10"

src/core/fri.rs

@@ -746,7 +746,7 @@ impl<H: Hasher<NativeType = u8>> FriLayerVerifier<H> {
         let mut all_subline_evals = Vec::new();
 
         // Group queries by the subline they reside in.
-        for subline_queries in queries.group_by(|a, b| a >> FOLD_STEP == b >> FOLD_STEP) {
+        for subline_queries in queries.chunk_by(|a, b| a >> FOLD_STEP == b >> FOLD_STEP) {
             let subline_start = (subline_queries[0] >> FOLD_STEP) << FOLD_STEP;
             let subline_end = subline_start + (1 << FOLD_STEP);
 
@@ -816,7 +816,7 @@ impl<B: FriOps, H: Hasher<NativeType = u8>> FriLayerProver<B, H> {
 
         // Group queries by the subline they reside in.
         // TODO(andrew): Explain what a "subline" is at the top of the module.
-        for query_group in queries.group_by(|a, b| a >> FOLD_STEP == b >> FOLD_STEP) {
+        for query_group in queries.chunk_by(|a, b| a >> FOLD_STEP == b >> FOLD_STEP) {
             let subline_start = (query_group[0] >> FOLD_STEP) << FOLD_STEP;
             let subline_end = subline_start + (1 << FOLD_STEP);
 

src/lib.rs

@@ -1,13 +1,12 @@
 #![feature(
     array_chunks,
-    iter_array_chunks,
     exact_size_is_empty,
+    get_many_mut,
+    int_roundings,
     is_sorted,
+    iter_array_chunks,
     new_uninit,
-    slice_group_by,
-    stdsimd,
-    get_many_mut,
-    int_roundings
+    stdarch_x86_avx512
 )]
 pub mod commitment_scheme;
 pub mod core;