mirror of
https://github.com/featurebasedb/featurebase.git
synced 2026-08-28 10:54:59 +00:00
139 lines
2.5 KiB
Go
139 lines
2.5 KiB
Go
// Copyright 2017 Pilosa Corp.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package roaring
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import "testing"
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func TestBSFQ(t *testing.T) {
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result := BSFQ(2)
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if result != 1 {
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t.Fatalf("BSF INCORRECT: %d", result)
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}
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}
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func TestBSFQ_CompareGo(t *testing.T) {
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v := uint64(1)
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for i := 0; i < 64; i++ {
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if BSFQ(v) != trailingZeroN(v) {
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t.Fatalf("BSF INCORRECT: %d %d", BSFQ(v), trailingZeroN(v))
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}
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if v == 0 {
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v = 1
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} else {
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v *= 2
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}
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}
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/*
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if bsfq(0) != trailingZeroN(0) {
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fmt.Println(bsfq(0))
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t.Fatalf("BSF INCORRECT")
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}
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*/
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}
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func BenchmarkBSF(b *testing.B) {
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for i := 0; i < b.N; i++ {
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BSFQ(uint64(i))
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}
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}
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func BenchmarkTrailingZeroN(b *testing.B) {
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for i := 0; i < b.N; i++ {
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trailingZeroN(uint64(i))
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}
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}
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func BenchmarkPOPCNTQ(b *testing.B) {
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for i := 0; i < b.N; i++ {
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POPCNTQ(uint64(i))
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}
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}
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func BenchmarkPopcount(b *testing.B) {
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for i := 0; i < b.N; i++ {
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popcount(uint64(i))
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}
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}
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func BenchmarkPopcntAsm(b *testing.B) {
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// run the Fib function b.N times
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for n := 0; n < b.N; n++ {
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popcntAsm(0xdeadbeef)
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}
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}
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func BenchmarkPopcntGo(b *testing.B) {
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// run the Fib function b.N times
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for n := 0; n < b.N; n++ {
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popcntGo(0xdeadbeef)
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}
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}
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func getData() []uint64 {
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return []uint64{
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0xdeadbeef,
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0xdeadbeef,
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0xdeadbeef,
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0xdeadbeef,
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0xdeadbeef,
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0xdeadbeef,
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0xdeadbeef,
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0xdeadbeef,
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0xdeadbeef,
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0xdeadbeef,
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0xdeadbeef,
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0xdeadbeef,
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0xdeadbeef,
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0xdeadbeef,
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0xdeadbeef,
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0xdeadbeef,
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0xdeadbeef,
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0xdeadbeef,
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0xdeadbeef,
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0xdeadbeef,
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0xdeadbeef,
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0xdeadbeef,
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0xdeadbeef,
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0xdeadbeef,
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0xdeadbeef,
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0xdeadbeef,
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0xdeadbeef,
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0xdeadbeef,
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0xdeadbeef,
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0xdeadbeef,
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0xdeadbeef,
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0xdeadbeef,
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}
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}
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func BenchmarkPopcntSliceGo(b *testing.B) {
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d := getData()
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for n := 0; n < b.N; n++ {
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popcntSliceGo(d)
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}
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}
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func BenchmarkPopcntSliceAsm(b *testing.B) {
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d := getData()
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for n := 0; n < b.N; n++ {
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popcntSliceAsm(d)
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}
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}
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func BenchmarkPopcntSlice(b *testing.B) {
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d := getData()
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for n := 0; n < b.N; n++ {
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popcntSlice(d)
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}
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}
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