Initial project import

tools/v/vlib/x/json2/tests/bench.v

@@ -0,0 +1,213 @@
+import x.json2
+import json as old_json
+import benchmark
+import time
+
+// ./v wipe-cache && ./v -prod -cc gcc crun vlib/x/json2/tests/bench.v
+const max_iterations = 1_000_000
+// const max_iterations = 10 // trying figure out it is slower in small loop. I guess it is `fulfill_nodes` related. Any suggestion?
+
+pub struct Stru {
+	val  int
+	val2 string
+	val3 Stru2
+}
+
+pub struct Stru2 {
+	a         int
+	churrasco string
+}
+
+type SumTypes = Stru | bool | int | string | time.Time
+type StringAlias = string
+type IntAlias = int
+
+enum Enum {
+	a
+	b
+	c
+	d
+	e = 99
+	f
+}
+
+struct StructType[T] {
+mut:
+	val T
+}
+
+struct StructTypeOption[T] {
+mut:
+	val ?T
+}
+
+struct StructTypePointer[T] {
+mut:
+	val &T
+}
+
+fn main() {
+	json_data := '{"_type": "Stru", "val": 1, "val2": "lala", "val3": {"a": 2, "churrasco": "leleu"}}'
+	json_data1 := '{"val": "2"}'
+	json_data2 := '{"val": 2}'
+
+	println('Starting benchmark...')
+	println('max_iterations: ${max_iterations}')
+	println('\n***Structure and maps***')
+
+	mut b := benchmark.start()
+
+	// Stru **********************************************************
+
+	for i := 0; i < max_iterations; i++ {
+		_ := json2.decode[Stru](json_data)!
+	}
+
+	b.measure('json2.decode[Stru](json_data)!')
+
+	for i := 0; i < max_iterations; i++ {
+		_ := old_json.decode(Stru, json_data)!
+	}
+
+	b.measure('old_json.decode(Stru, json_data)!\n')
+
+	for i := 0; i < max_iterations; i++ {
+		_ := json2.decode[SumTypes](json_data)!
+	}
+
+	b.measure('json2.decode[SumTypes](json_data)!')
+
+	for i := 0; i < max_iterations; i++ {
+		_ := old_json.decode(SumTypes, json_data)!
+	}
+
+	b.measure('old_json.decode(SumTypes, json_data)!\n')
+
+	// StructType[string] **********************************************************
+	for i := 0; i < max_iterations; i++ {
+		_ := json2.decode[StructType[string]](json_data1)!
+	}
+
+	b.measure('json2.decode[StructType[string]](json_data1)!')
+
+	for i := 0; i < max_iterations; i++ {
+		_ := old_json.decode(StructType[string], json_data1)!
+	}
+
+	b.measure('old_json.decode(StructType[string], json_data1)!\n')
+
+	// StructTypeOption[string] **********************************************************
+	for i := 0; i < max_iterations; i++ {
+		_ := json2.decode[StructTypeOption[string]](json_data1)!
+	}
+
+	b.measure('json2.decode[StructTypeOption[string]](json_data1)!')
+
+	for i := 0; i < max_iterations; i++ {
+		_ := old_json.decode(StructTypeOption[string], json_data1)!
+	}
+
+	b.measure('old_json.decode(StructTypeOption[string], json_data1)!\n')
+
+	// StructType[int] **********************************************************
+	for i := 0; i < max_iterations; i++ {
+		_ := json2.decode[StructType[int]](json_data2)!
+	}
+
+	b.measure('json2.decode[StructType[int]](json_data2)!')
+
+	for i := 0; i < max_iterations; i++ {
+		_ := old_json.decode(StructType[int], json_data2)!
+	}
+
+	b.measure('old_json.decode(StructType[int], json_data2)!\n')
+
+	// map[string]string **********************************************************
+	for i := 0; i < max_iterations; i++ {
+		_ := json2.decode[map[string]string](json_data1)!
+	}
+
+	b.measure('json2.decode[map[string]string](json_data1)!')
+
+	for i := 0; i < max_iterations; i++ {
+		_ := old_json.decode(map[string]string, json_data1)!
+	}
+
+	b.measure('old_json.decode(map[string]string, json_data1)!\n')
+
+	// array **********************************************************
+
+	println('\n***arrays***')
+
+	for i := 0; i < max_iterations; i++ {
+		_ := json2.decode[[]int]('[1, 2, 3, 4, 5, 6, 7, 8, 9, 0]')!
+	}
+
+	b.measure("json2.decode[[]int]('[1, 2, 3, 4, 5, 6, 7, 8, 9, 0]')!")
+
+	for i := 0; i < max_iterations; i++ {
+		_ := old_json.decode([]int, '[1, 2, 3, 4, 5, 6, 7, 8, 9, 0]')!
+	}
+
+	b.measure("old_json.decode([]int, '[1, 2, 3, 4, 5, 6, 7, 8, 9, 0]')!\n")
+
+	println('\n***simple types***')
+
+	// int **********************************************************
+	for i := 0; i < max_iterations; i++ {
+		_ := json2.decode[int]('2')!
+	}
+
+	b.measure("json2.decode[int]('2')!")
+
+	// bool **********************************************************
+	for i := 0; i < max_iterations; i++ {
+		_ := json2.decode[bool]('true')!
+	}
+
+	b.measure("json2.decode[bool]('true')!")
+
+	// time.Time **********************************************************
+	for i := 0; i < max_iterations; i++ {
+		_ := json2.decode[time.Time]('"2022-03-11T13:54:25"')!
+	}
+
+	b.measure("json2.decode[time.Time]('2022-03-11T13:54:25')!")
+
+	// string **********************************************************
+	for i := 0; i < max_iterations; i++ {
+		_ := json2.decode[string]('"abcdefghijklimnopqrstuv"')!
+	}
+
+	b.measure('json2.decode[string](\'"abcdefghijklimnopqrstuv"\')!')
+
+	// alias **********************************************************
+
+	println('\n***alias***')
+
+	for i := 0; i < max_iterations; i++ {
+		_ := json2.decode[IntAlias]('2')!
+	}
+
+	b.measure('json2.decode[IntAlias](2)!')
+
+	for i := 0; i < max_iterations; i++ {
+		_ := json2.decode[StringAlias]('"abcdefghijklimnopqrstuv"')!
+	}
+
+	b.measure('json2.decode[StringAlias](\'"abcdefghijklimnopqrstuv"\')!')
+
+	println('\n***Sumtypes***')
+
+	for i := 0; i < max_iterations; i++ {
+		_ := json2.decode[SumTypes]('2')!
+	}
+
+	b.measure('json2.decode[SumTypes](2)!')
+
+	for i := 0; i < max_iterations; i++ {
+		_ := json2.decode[SumTypes]('"abcdefghijklimnopqrstuv"')!
+	}
+
+	b.measure('json2.decode[SumTypes](\'"abcdefghijklimnopqrstuv"\')!')
+}