Added ArithmeticBenchmark

Author: igoriakovlev

src/commonMain/kotlin/microBenchmarks/ArithmeticBenchmark.kt

@@ -0,0 +1,66 @@
+/*
+ * Copyright 2025 JetBrains s.r.o.
+ *
+ * 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 microBenchmarks
+
+import kotlinx.benchmark.*
+
+@State(Scope.Benchmark)
+class ArithmeticBenchmark {
+    @Benchmark
+    fun division(): Int {
+        var i = 1
+        var j = 1
+        while (i < BENCHMARK_SIZE) {
+            j += (i shl 1234) / i / j / i / j / i / j
+            i++
+        }
+        return j
+    }
+
+    @Benchmark
+    fun division_constant(): Int {
+        var i = 1
+        var j = 1
+        while (i < BENCHMARK_SIZE) {
+            j += (i shl 1234) / 42 / j / 42 / j / 42 / j
+            i++
+        }
+        return j
+    }
+
+    @Benchmark
+    fun reminder(): Int {
+        var i = 1
+        var j = 1
+        while (i < BENCHMARK_SIZE) {
+            j += (i shl 1234) % i % j % i % j % i % j
+            i++
+        }
+        return j
+    }
+
+    @Benchmark
+    fun reminder_constant(): Int {
+        var i = 1
+        var j = 1
+        while (i < BENCHMARK_SIZE) {
+            j += (i shl 1234) % 42 % j % 42 % j % 42 % j
+            i++
+        }
+        return j
+    }
+}