Merge branch 'master' of github.com:FastFilter/xorfilter

Author: lemire

.github/workflows/pr-conventions.yml

@@ -0,0 +1,18 @@
+name: PR Conventions
+on:
+  pull_request_target:
+    types:
+      - opened
+      - edited
+      - synchronize
+
+jobs:
+  lint:
+    name: Lint PR title
+    runs-on: ubuntu-latest
+    steps:
+      - uses: amannn/[email protected]
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          validateSingleCommit: true

.github/workflows/release-please.yml

@@ -0,0 +1,14 @@
+on:
+  push:
+    branches:
+      - main
+
+name: release-please
+jobs:
+  release-please:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: GoogleCloudPlatform/release-please-action@v3
+        with:
+          release-type: go
+          package-name: xorfilter

README.md

@@ -6,7 +6,7 @@ Bloom filters are used to quickly check whether an element is part of a set.
 Xor and binary fuse filters are a faster and more concise alternative to Bloom filters.
 They are also smaller than cuckoo filters.
 
-* Thomas Mueller Graf,  Daniel Lemire, Binary Fuse Filters: Fast and Smaller Than Xor Filters
+* Thomas Mueller Graf, Daniel Lemire, [Binary Fuse Filters: Fast and Smaller Than Xor Filters](http://arxiv.org/abs/2201.01174), Journal of Experimental Algorithmics (to appear). DOI: 10.1145/3510449   
 * Thomas Mueller Graf,  Daniel Lemire, [Xor Filters: Faster and Smaller Than Bloom and Cuckoo Filters](https://arxiv.org/abs/1912.08258), Journal of Experimental Algorithmics 25 (1), 2020. DOI: 10.1145/3376122
 
 <img src="figures/comparison.png" width="50%"/>

binaryfusefilter_test.go

@@ -9,6 +9,7 @@ import (
 )
 
 const NUM_KEYS = 1e6
+const MID_NUM_KEYS = 11500
 const SMALL_NUM_KEYS = 100
 
 
@@ -52,6 +53,19 @@ func TestBinaryFuse8Basic(t *testing.T) {
 	}
 }
 
+func TestBinaryFuse8Issue23(t *testing.T) {
+    for trials := 0; trials < 20; trials++ {
+        keys := make([]uint64, MID_NUM_KEYS)
+        for i := range keys {
+            keys[i] = rand.Uint64()
+        }
+        filter, error := PopulateBinaryFuse8(keys)
+        assert.Equal(t, nil, error)
+        for _, v := range keys {
+            assert.Equal(t, true, filter.Contains(v))
+        }
+    }
+}
 
 func TestBinaryFuse8Small(t *testing.T) {
 	keys := make([]uint64, SMALL_NUM_KEYS)

xorfilter.go

@@ -107,7 +107,7 @@ func resetSets(setsi []xorset) []xorset {
 }
 
 // The maximum  number of iterations allowed before the populate function returns an error
-var MaxIterations = 100
+var MaxIterations = 1024
 
 // Populate fills the filter with provided keys.
 // The caller is responsible to ensure that there are no duplicate keys.