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author | Null Chilly <56817415+nullchilly@users.noreply.github.com> | 2023-03-10 20:10:38 +0700 |
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committer | GitHub <noreply@github.com> | 2023-03-10 14:10:38 +0100 |
commit | 75537768ef0b8cc35ef9c6aa906237e449640b46 (patch) | |
tree | b51bfd80f1f468592640a12f6e40e0ca3bcb4136 /runtime/lua/vim | |
parent | 8a3220ba499c4c8cd74a3896f3c79e5f3d666eba (diff) | |
download | rneovim-75537768ef0b8cc35ef9c6aa906237e449640b46.tar.gz rneovim-75537768ef0b8cc35ef9c6aa906237e449640b46.tar.bz2 rneovim-75537768ef0b8cc35ef9c6aa906237e449640b46.zip |
perf(lsp): better binary search mid calculation in semantic token (#22607)
This commit replaces the usage of math.floor((lo + hi) / 2) with the faster and equivalent bit.rshift(lo + hi, 1) for calculating the midpoint in binary search.
Diffstat (limited to 'runtime/lua/vim')
-rw-r--r-- | runtime/lua/vim/lsp/semantic_tokens.lua | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/runtime/lua/vim/lsp/semantic_tokens.lua b/runtime/lua/vim/lsp/semantic_tokens.lua index a5e007a011..03532c33b7 100644 --- a/runtime/lua/vim/lsp/semantic_tokens.lua +++ b/runtime/lua/vim/lsp/semantic_tokens.lua @@ -44,7 +44,7 @@ local STHighlighter = { active = {} } ---@private local function lower_bound(tokens, line, lo, hi) while lo < hi do - local mid = math.floor((lo + hi) / 2) + local mid = bit.rshift(lo + hi, 1) -- Equivalent to floor((lo + hi) / 2). if tokens[mid].line < line then lo = mid + 1 else @@ -62,7 +62,7 @@ end ---@private local function upper_bound(tokens, line, lo, hi) while lo < hi do - local mid = math.floor((lo + hi) / 2) + local mid = bit.rshift(lo + hi, 1) -- Equivalent to floor((lo + hi) / 2). if line < tokens[mid].line then hi = mid else |