na-adjective
Used in computing and mathematics to describe properties, variables, or operations that apply to an entire system, program, or data set, as opposed to local scope.
この変数は大域的に宣言されているので、どの関数からもアクセスできます。
Since this variable is declared globally, it can be accessed from any function.
大域的な最適解を求めるアルゴリズムを実装した。
We implemented an algorithm that finds the global optimum.
グローバル is a common loanword for 'global' in general contexts, but 大域的 is more technical and used primarily in computing and mathematics.
Compound of 大域 (large area/domain) + 的 (-like, adjectival suffix). The term is a direct translation of the English 'global' in technical contexts.