using System;
using System.Linq;
using System.Collections.Generic;
using System.Collections.Concurrent;
using System.Reflection;
using System.Linq.Expressions;
using System.Threading;
using System.Threading.Tasks;

for (int warmup = 0; warmup < 10; warmup++) _ = Work(100);
int reference = Work(100);
bool equivalent = true;
for (int sample = 0; sample < 3; sample++)
{
    long before = GC.GetAllocatedBytesForCurrentThread();
    long start = System.Diagnostics.Stopwatch.GetTimestamp();
    int result = Work(100);
    long ticks = System.Diagnostics.Stopwatch.GetTimestamp() - start;
    long bytes = GC.GetAllocatedBytesForCurrentThread() - before;
    equivalent &= result == reference && ticks >= 0 && bytes >= 0;
    Console.Error.WriteLine($"sample:{sample};ticks:{ticks};bytes:{bytes};checksum:{result}");
}
Console.WriteLine($"equivalent:{equivalent}");
Console.WriteLine("samples:3");
static int Work(int count) { var values = new int[count]; for (int i = 0; i < values.Length; i++) values[i] = i; int total = 0; foreach (int value in values) total += value; GC.KeepAlive(values); return total; }