Much of the attention on electric cars has been on the vehicles' design, cost and performance.
America has 48 main programmes; all are struggling with time, cost and performance.
A decade ago, engineers at the No2 US automaker were skeptical of the cost and performance benefits of alternatives.
Once again, there will likely be significant proof points and areas of dispute around issues like security, cost, and performance.
By contrast, Mr Musk highlights the huge improvements in cost and performance during the history of information technology.
Panasonic, which has its own research program dedicated to speech recognition, says there is a significant tradeoff between cost and performance.
"Since we understand how the decision-making and validation processes work inside the large companies, we're more able to meet ambitious cost and performance targets".
But either way, given the political scrutiny and the concerns about the plane's cost and performance, this is a very bad time to have a problem".
For junk bond funds we weight cost and performance equally.
Measurements can be classed into two categories: cost and performance.
Another new tool is DefenseNet, a litigation cost and performance analysis software product.
