Re: What is your experience with Samsung "RAM Plus" virtual memory expansion?

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From	Arno Welzel <usenet@arnowelzel.de>
Newsgroups	comp.mobile.android
Subject	Re: What is your experience with Samsung "RAM Plus" virtual memory expansion?
Date	Mon, 9 Dec 2024 00:50:36 +0100
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Frank Slootweg, 2024-12-07 17:18:

> Andy Burns <usenet@andyburns.uk> wrote:
>> Frank Slootweg wrote:
>>
>>>    My/the point is that not all appscan be designed that way. It might
>>> be that if they can be designed that way, they must be designed that
>>> way. But an app developer can not be required to do the impossible.
>>>
>>>    Note that I specifically mentioned external data or/and state. If an
>>> app is killed, external data or/and state might/will be lost and the app
>>> cannot recover when restarted. Examples of such apps are apps which
>>> depend on data from (internal or external sensors or other data
>>> sources).
>>
>> They can save the most recent sensor values as part of their state, so 
>> if they get killed, they can use the saved value rather than re-reading 
>> the value from the sensor.
> 
>   Yes, but they will miss the sensor data that was generated between the
> time the app was killed and when it was restarted. Think tracking/

To keep things running in Android, there are *services* besides apps.
These don't get killed regularly and can be triggered by events like "x
seconds hev passed" or "location has changed at least 10 meters", "IP
packet was recieved" etc. but they may drain the battery if not properly
implemented.

[...]
>   Like I said, if paging/swapping wasn't needed, computers wouldn't have
> those functionalities, because one 'disk'-access (load-only) is faster
> than two (page/swap out and back in).

When paging was invented, it did *not* use regular file I/O but a
dedicated hard disc partition where RAM pages where written directly to
hard disc sectors which is *faster* than reading files.


-- 
Arno Welzel
https://arnowelzel.de

Thread

What is your experience with Samsung "RAM Plus" virtual memory expansion? Andrew <andys@nospam.com> - 2024-12-05 06:08 +0000
  Re: What is your experience with Samsung "RAM Plus" virtual memory expansion? Andy Burns <usenet@andyburns.uk> - 2024-12-05 10:26 +0000
    Re: What is your experience with Samsung "RAM Plus" virtual memory expansion? Arno Welzel <usenet@arnowelzel.de> - 2024-12-05 22:57 +0100
  Re: What is your experience with Samsung "RAM Plus" virtual memory expansion? "Edward.C" <ec@spam.invalid> - 2024-12-06 13:40 +0800
  Re: What is your experience with Samsung "RAM Plus" virtual memory expansion? "Edward.C" <ec@spam.invalid> - 2024-12-06 15:04 +0800
    Re: What is your experience with Samsung "RAM Plus" virtual memory expansion? Andy Burns <usenet@andyburns.uk> - 2024-12-06 08:05 +0000
      Re: What is your experience with Samsung "RAM Plus" virtual memory expansion? Arno Welzel <usenet@arnowelzel.de> - 2024-12-06 09:55 +0100
      Re: What is your experience with Samsung "RAM Plus" virtual memory expansion? Frank Slootweg <this@ddress.is.invalid> - 2024-12-06 11:51 +0000
        Re: What is your experience with Samsung "RAM Plus" virtual memory expansion? "Carlos E.R." <robin_listas@es.invalid> - 2024-12-06 14:02 +0100
          Re: What is your experience with Samsung "RAM Plus" virtual memory expansion? Andrew <andys@nospam.com> - 2024-12-06 21:21 +0000
        Re: What is your experience with Samsung "RAM Plus" virtual memory expansion? Arno Welzel <usenet@arnowelzel.de> - 2024-12-07 13:51 +0100
          Re: What is your experience with Samsung "RAM Plus" virtual memory expansion? Frank Slootweg <this@ddress.is.invalid> - 2024-12-07 13:14 +0000
            Re: What is your experience with Samsung "RAM Plus" virtual memory expansion? Andy Burns <usenet@andyburns.uk> - 2024-12-07 14:05 +0000
              Re: What is your experience with Samsung "RAM Plus" virtual memory expansion? Frank Slootweg <this@ddress.is.invalid> - 2024-12-07 16:18 +0000
                Re: What is your experience with Samsung "RAM Plus" virtual memory expansion? Arno Welzel <usenet@arnowelzel.de> - 2024-12-09 00:50 +0100
            Re: What is your experience with Samsung "RAM Plus" virtual memory expansion? Arno Welzel <usenet@arnowelzel.de> - 2024-12-09 00:46 +0100
    Re: What is your experience with Samsung "RAM Plus" virtual memory expansion? Java Jive <java@evij.com.invalid> - 2024-12-06 11:52 +0000

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