September 2024
Intermediate to advanced
450 pages
14h 37m
Spanish
Content preview from Rendimiento de Java, 2ª Edición
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Apéndice. Resumen de los indicadores de ajuste
Este apéndice cubre las banderas de uso común y da indicaciones sobre cuándo utilizarlas. Aquí se incluyen las banderas que se utilizaban habitualmente en versiones anteriores de Java y que ya no se recomiendan; la documentación y los consejos sobre versiones anteriores de Java pueden recomendar esas banderas, por lo que se mencionan aquí.
| Bandera | Qué hace | Cuándo utilizarlo | Ver también |
|---|---|---|---|
|
Esta bandera ya no tiene ningún efecto; se ignora silenciosamente. |
N/A |
|
|
Esta bandera ya no tiene ningún efecto; se ignora silenciosamente. |
N/A |
|
|
Utiliza la recopilación por niveles. |
Siempre, a menos que estés muy limitado de memoria. |
"Compilación por niveles" y "compensaciones de la compilación por niveles" |
|
Reserva espacio para el código compilado por el compilador JIT. |
Cuando ejecutas un programa grande y ves un aviso de que te has quedado sin caché de código. |
|
|
Asigna el espacio inicial para el código compilado por el compilador JIT. |
Si necesitas preasignar la memoria para la caché de código (lo que no es frecuente). |
|
|
Establece el número de veces que se ejecuta un método o bucle antes de compilarlo. |
Esta bandera ya no se recomienda. |
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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.