I recently talked with a Microsoft engineer and his observation was that a lot of MS customers have troubles running their C# code on ARM. As with Java C# does

I recently talked with a Microsoft engineer and his observation was that a lot of MS customers have troubles running their C# code on ARM. As with Java C# does not guarantee much beyond stating that word-sized writes are atomic allowing a lot of reordering. However, Intel CPU are nice to developers allowing a lot of buggy code to work, but ARM is not forgiving resulting in a really hard to track bugs.