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Update README with performance comparison
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,193 @@ | ||
| /* | ||
| package main | ||
| import ( | ||
| "fmt" | ||
| "math/rand" | ||
| "runtime" | ||
| "strconv" | ||
| "time" | ||
| mapset "github.com/deckarep/golang-set/v2" | ||
| "github.com/marpit19/goquickmap/pkg/quickmap" | ||
| "github.com/marpit19/goquickmap/pkg/quickset" | ||
| ) | ||
| const ( | ||
| numOperations = 1000000 | ||
| numBatchOperations = 10000 | ||
| ) | ||
| func main() { | ||
| fmt.Println("Performance Comparison") | ||
| fmt.Printf("Number of operations: %d\n", numOperations) | ||
| fmt.Printf("Number of batch operations: %d\n", numBatchOperations) | ||
| compareMap() | ||
| compareSet() | ||
| } | ||
| func compareMap() { | ||
| fmt.Println("\n--- Map Comparison ---") | ||
| // Built-in map | ||
| start := time.Now() | ||
| m := make(map[string]int) | ||
| for i := 0; i < numOperations; i++ { | ||
| key := strconv.Itoa(i) | ||
| m[key] = i | ||
| } | ||
| builtinInsertTime := time.Since(start) | ||
| start = time.Now() | ||
| for i := 0; i < numOperations; i++ { | ||
| key := strconv.Itoa(i) | ||
| _ = m[key] | ||
| } | ||
| builtinGetTime := time.Since(start) | ||
| start = time.Now() | ||
| for i := 0; i < numOperations; i++ { | ||
| key := strconv.Itoa(i) | ||
| delete(m, key) | ||
| } | ||
| builtinDeleteTime := time.Since(start) | ||
| // QuickMap | ||
| start = time.Now() | ||
| qm := quickmap.New() | ||
| for i := 0; i < numOperations; i++ { | ||
| key := strconv.Itoa(i) | ||
| qm.Insert(key, i) | ||
| } | ||
| quickmapInsertTime := time.Since(start) | ||
| start = time.Now() | ||
| for i := 0; i < numOperations; i++ { | ||
| key := strconv.Itoa(i) | ||
| _, _ = qm.Get(key) | ||
| } | ||
| quickmapGetTime := time.Since(start) | ||
| start = time.Now() | ||
| for i := 0; i < numOperations; i++ { | ||
| key := strconv.Itoa(i) | ||
| qm.Delete(key) | ||
| } | ||
| quickmapDeleteTime := time.Since(start) | ||
| // Batch operations | ||
| batchKeys := make([]string, numBatchOperations) | ||
| batchMap := make(map[string]interface{}, numBatchOperations) | ||
| for i := 0; i < numBatchOperations; i++ { | ||
| key := strconv.Itoa(rand.Intn(numOperations)) | ||
| batchKeys[i] = key | ||
| batchMap[key] = i | ||
| } | ||
| start = time.Now() | ||
| qm.InsertMany(batchMap) | ||
| quickmapBatchInsertTime := time.Since(start) | ||
| start = time.Now() | ||
| qm.DeleteMany(batchKeys) | ||
| quickmapBatchDeleteTime := time.Since(start) | ||
| // Print results | ||
| fmt.Println("Built-in map:") | ||
| fmt.Printf(" Insert: %v\n", builtinInsertTime) | ||
| fmt.Printf(" Get: %v\n", builtinGetTime) | ||
| fmt.Printf(" Delete: %v\n", builtinDeleteTime) | ||
| fmt.Println("QuickMap:") | ||
| fmt.Printf(" Insert: %v\n", quickmapInsertTime) | ||
| fmt.Printf(" Get: %v\n", quickmapGetTime) | ||
| fmt.Printf(" Delete: %v\n", quickmapDeleteTime) | ||
| fmt.Printf(" Batch Insert (%d items): %v\n", numBatchOperations, quickmapBatchInsertTime) | ||
| fmt.Printf(" Batch Delete (%d items): %v\n", numBatchOperations, quickmapBatchDeleteTime) | ||
| } | ||
| func compareSet() { | ||
| fmt.Println("\n--- Set Comparison ---") | ||
| // golang-set | ||
| start := time.Now() | ||
| s := mapset.NewSet[string]() | ||
| for i := 0; i < numOperations; i++ { | ||
| s.Add(strconv.Itoa(i)) | ||
| } | ||
| mapsetAddTime := time.Since(start) | ||
| start = time.Now() | ||
| for i := 0; i < numOperations; i++ { | ||
| s.Contains(strconv.Itoa(i)) | ||
| } | ||
| mapsetContainsTime := time.Since(start) | ||
| start = time.Now() | ||
| for i := 0; i < numOperations; i++ { | ||
| s.Remove(strconv.Itoa(i)) | ||
| } | ||
| mapsetRemoveTime := time.Since(start) | ||
| // QuickSet | ||
| start = time.Now() | ||
| qs := quickset.New() | ||
| for i := 0; i < numOperations; i++ { | ||
| qs.Add(strconv.Itoa(i)) | ||
| } | ||
| quicksetAddTime := time.Since(start) | ||
| start = time.Now() | ||
| for i := 0; i < numOperations; i++ { | ||
| qs.Contains(strconv.Itoa(i)) | ||
| } | ||
| quicksetContainsTime := time.Since(start) | ||
| start = time.Now() | ||
| for i := 0; i < numOperations; i++ { | ||
| qs.Remove(strconv.Itoa(i)) | ||
| } | ||
| quicksetRemoveTime := time.Since(start) | ||
| // Batch operations | ||
| batchElements := make([]string, numBatchOperations) | ||
| for i := 0; i < numBatchOperations; i++ { | ||
| batchElements[i] = strconv.Itoa(rand.Intn(numOperations)) | ||
| } | ||
| start = time.Now() | ||
| qs.AddMany(batchElements) | ||
| quicksetBatchAddTime := time.Since(start) | ||
| start = time.Now() | ||
| qs.RemoveMany(batchElements) | ||
| quicksetBatchRemoveTime := time.Since(start) | ||
| // Print results | ||
| fmt.Println("golang-set:") | ||
| fmt.Printf(" Add: %v\n", mapsetAddTime) | ||
| fmt.Printf(" Contains: %v\n", mapsetContainsTime) | ||
| fmt.Printf(" Remove: %v\n", mapsetRemoveTime) | ||
| fmt.Println("QuickSet:") | ||
| fmt.Printf(" Add: %v\n", quicksetAddTime) | ||
| fmt.Printf(" Contains: %v\n", quicksetContainsTime) | ||
| fmt.Printf(" Remove: %v\n", quicksetRemoveTime) | ||
| fmt.Printf(" Batch Add (%d items): %v\n", numBatchOperations, quicksetBatchAddTime) | ||
| fmt.Printf(" Batch Remove (%d items): %v\n", numBatchOperations, quicksetBatchRemoveTime) | ||
| } | ||
| func printMemUsage() { | ||
| var m runtime.MemStats | ||
| runtime.ReadMemStats(&m) | ||
| fmt.Printf("Alloc = %v MiB", bToMb(m.Alloc)) | ||
| fmt.Printf("\tTotalAlloc = %v MiB", bToMb(m.TotalAlloc)) | ||
| fmt.Printf("\tSys = %v MiB", bToMb(m.Sys)) | ||
| fmt.Printf("\tNumGC = %v\n", m.NumGC) | ||
| } | ||
| func bToMb(b uint64) uint64 { | ||
| return b / 1024 / 1024 | ||
| } | ||
| */ | ||
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