noun
primary cache; level 1 cache
Computing term for the fastest, smallest cache closest to the CPU core.
CPUの一次キャッシュは二次キャッシュより高速だが容量が小さい。
The CPU's primary cache is faster than the secondary cache but has a smaller capacity.
Standard kanji-katakana spelling for this computing term.
Variant using numeral 1; less common in running text but seen in technical documents.
Compound of 一次 (primary, first-order) and キャッシュ (cache, from English).