Tyburn he was hanged. In 1537, Henry VIII used Tyburn to execute the ringleaders of the Pilgrimage of Grace, including Sir Nicholas Tempest, one of the northern leaders of the Pilgrimage and the King's own Bowbearer of the Forest of Bowland. In 1571, the Tyburn Tree was erected at the junction of today's Edgware Road, Bayswater Road and Oxford Street, near where Marble Arch is currently situated. The "Tree" or "Triple Tree" was a novel form of gallows, consisting of a horizontal wooden triangle supported by three legs (an arrangement known as a "three-legged mare" or "three-legged stool"). Several felons could
Execution model Execution model An execution model specifies how work takes place. Every programming language has an execution model, which is specified as part of the language specification, and is implemented as part of the language implementation. The details in the specification of an execution model cover things such as what is an indivisible unit of work, and what are the constraints on the order in which those units of work take place. For example, the addition operation is an indivisible unit of work in many languages, and in sequential languages such units of work are constrained to take place one after