STACK_FRAME_SIZE

solana_program_runtime::execution_budget

Constant STACK_FRAME_SIZE 

Source 
pub const STACK_FRAME_SIZE: usize = 4096;
👎Deprecated since 3.1.0: This crate has been marked for formal inclusion in the Agave Unstable API. From v4.0.0 onward, the agave-unstable-api crate feature must be specified to acknowledge use of an interface that may break without warning.
Expand description

The size of one SBF stack frame.