April 2025
Intermediate to advanced
450 pages
14h 46m
Italian
Content preview from Prestazioni Java, 2a edizione
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Appendice. Riepilogo dei flag di sintonizzazione
Questa appendice tratta i flag comunemente utilizzati e fornisce indicazioni su quando usarli. I flag comunemente usati includono flag che erano comunemente usati nelle versioni precedenti di Java e che non sono più raccomandati; la documentazione e i suggerimenti sulle versioni precedenti di Java potrebbero raccomandare questi flag, quindi sono menzionati qui.
| Bandiera | Cosa fa | Quando usarlo | Vedi anche |
|---|---|---|---|
|
Questo flag non ha più alcun effetto: viene ignorato silenziosamente. |
N/D |
|
|
Questo flag non ha più alcun effetto: viene ignorato silenziosamente. |
N/D |
|
|
Utilizza una compilazione a livelli. |
Sempre, a meno che tu non abbia una memoria molto limitata. |
|
|
Riserva spazio per il codice compilato dal compilatore JIT. |
Quando si esegue un programma di grandi dimensioni e viene visualizzato un avviso di esaurimento della cache del codice. |
|
|
Alloca lo spazio iniziale per il codice compilato dal compilatore JIT. |
Se devi preallocare la memoria per la cache del codice (cosa poco comune). |
|
|
Imposta il numero di volte in cui un metodo o un ciclo viene eseguito prima di essere compilato. ... |
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.