There is renewed interest in prefetching/prerendering as a way to improve loading performance on the web. However, prefetching cross-origin links reveals potentially ...

The Windows SuperFetch service loads frequently used programs into memory for faster startups in Windows. There are scenarios wher you might want to disable SuperFetch in Windows 11 or Windows 10. A ...

Djangoで多くのmodelをOneToOneFieldやForeignKey, ManyToManyで繋ぐようになると、データベースの読み込み速度が落ちていきます。 これは通常はフィールドを指定した分だけクエリが飛んでしまうからで、例えばfor文でループ処理などをすると、ループの数だけクエリ ...

以前にご紹介したprefetch_relatedの追加情報です。 DBに何度もアクセスしてデータを取り出すの非効率なため、Djangoでは可能な限り少ないクエリでデータを取得するための「prefetch_related()」が用意されています。 これは指定したモデルに外部参照データがある ...

The disk I/O calls that the prefetch thread makes are serviced by the prefetch library, which maintains a prefetch queue that stores the addresses of the file blocks to be prefetched. Each prefetch ...

I'm trying to download some cram files. I've configured the dbgap project, but when running prefetch I see a lot of output but nothing is downloaded. From the verbose ...

Abstract: Existing DRAM controllers employ rigid, non-adaptive scheduling and buffer management policies when servicing prefetch requests. Some controllers treat prefetch requests the same as demand ...

In this subsection we describe the basic operations in the prefetch thread and its interaction with the computation thread and the prefetch library. Figure 2: Computation thread (left) and prefetch ...