44 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			Go
		
	
	
	
		
		
			
		
	
	
			44 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			Go
		
	
	
	
|  | // Copyright 2022 The Prometheus Authors
 | ||
|  | // Licensed under the Apache License, Version 2.0 (the "License");
 | ||
|  | // you may not use this file except in compliance with the License.
 | ||
|  | // You may obtain a copy of the License at
 | ||
|  | //
 | ||
|  | // http://www.apache.org/licenses/LICENSE-2.0
 | ||
|  | //
 | ||
|  | // Unless required by applicable law or agreed to in writing, software
 | ||
|  | // distributed under the License is distributed on an "AS IS" BASIS,
 | ||
|  | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 | ||
|  | // See the License for the specific language governing permissions and
 | ||
|  | // limitations under the License.
 | ||
|  | 
 | ||
|  | package chunkenc | ||
|  | 
 | ||
|  | import ( | ||
|  | 	"testing" | ||
|  | 
 | ||
|  | 	"github.com/stretchr/testify/require" | ||
|  | ) | ||
|  | 
 | ||
|  | func BenchmarkXorRead(b *testing.B) { | ||
|  | 	c := NewXORChunk() | ||
|  | 	app, err := c.Appender() | ||
|  | 	require.NoError(b, err) | ||
|  | 	for i := int64(0); i < 120*1000; i += 1000 { | ||
|  | 		app.Append(i, float64(i)+float64(i)/10+float64(i)/100+float64(i)/1000) | ||
|  | 	} | ||
|  | 
 | ||
|  | 	b.ReportAllocs() | ||
|  | 	b.ResetTimer() | ||
|  | 
 | ||
|  | 	var it Iterator | ||
|  | 	for i := 0; i < b.N; i++ { | ||
|  | 		var ts int64 | ||
|  | 		var v float64 | ||
|  | 		it = c.Iterator(it) | ||
|  | 		for it.Next() != ValNone { | ||
|  | 			ts, v = it.At() | ||
|  | 		} | ||
|  | 		_, _ = ts, v | ||
|  | 	} | ||
|  | } |