Testing some singleton implementations

[Stanislav Blinov]

On Friday, 31 January 2014 at 11:31:53 UTC, Benjamin Thaut wrote:

> For x86 CPUs you don't really need MemoryOrder.acq as reads are 
> atomic by default.

Uhm... atomicLoad() itself guarantees that the read is atomic. 
It's not about atomicity of operation, it's about sequential 
consistency. Using raw in this case is safe because the further 
synchronized block guarantees that this read will not be 
reordered to follow write. In fact, the presence of that 
synchronized block allows for making both load and store raw.