ID 538323 - Nuke displays random colors in Viewer when a value of 0.00001 is used in one of the RGB channels on certain CPU's

Problem summary
Nuke displays random colors in Viewer when a value of 0.00001 is used in one of the RGB channels on certain CPU's
 
Customer reported version
Nuke 14.0v2
 
Customer reported platform
Windows 10
 
Steps to reproduce
 
1) Open Nuke on a HP Z620 machine.
 
2) Open the attached script which has a Constant node attached to Clamp nodes for each RGB channel, each Clamp node has an Expression node attached to the mask input that has ceil(a) in the Alpha channel and each Expression node has two Noise nodes attached which are adding different Noise values, finally the Clamp nodes are attached to an Expression node that is adding abs(r), abs(g) or abs(b) in the respective Red, Green and Blue channels.
 

 
Expected behaviour
For the Viewer and render output to display a black constant.
 
Actual behaviour
The Viewer displays random colors in the Viewer or render output.

 
Workaround
Unknown.
 
Reproduced by support
This bug has been reproduced in:
Nuke 14.0v3 - Windows 10 - HP Z620 - Dual Intel Xeon E5-2680 0
Nuke 14.0v2 - Windows 10 - HP Z620 - Dual Intel Xeon E5-2680 0 - regression
 
Unable to reproduce bug in:
Nuke 13.2v7 - Windows 10 - HP Z620 - Dual Intel Xeon E5-2680 0
 
Earliest version tested
Nuke 13.2v7 - This issue doesn't appear in this version and has regressed