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What is the memory consumption of an object in Java?
... memory alignment done by a particular JVM implementation for a particular CPU type. It looks like a Long is 8 bytes of Object overhead, plus 8 bytes more for the actual long value. In contrast, Integer had an unused 4-byte hole, most likely because the JVM I use forces object alignment on an 8-byte...
How to get the return value from a thread in python?
...it(f, *args, **kwargs))
return wrap
Then, whenever you need to push cpu intensive or blocking code off the event loop thread, you can put it in a decorated function:
@threadpool
def some_long_calculation():
...
# this will suspend while the function is executed on a threadpool
result = ...
How do I limit the number of results returned from grep?
...finds the first 10 lines it looks like he continues thinking and "using my cpu" and just not printint it is it correcT? thansk
– Jas
Feb 16 '11 at 6:36
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Why is lazy evaluation useful?
...
Lazy evaluation related to CPU the same way as garbage collection related to RAM. GC allows you to pretend that you have unlimited amount of memory and thus request as many objects in memory as you need. Runtime will automatically reclaim unusable obje...
MemoryCache does not obey memory limits in configuration
...blem, but it looks as if the thread of the MemoryCache does not get enough CPU time for cleaning, while many new elements are added.
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Casting vs using the 'as' keyword in the CLR
...ast:2135, Is And As:2145, As And null check: 1961,specs: OS:Windows Seven, CPU:i5-520M, 4GB of DDR3 1033 ram, benchmark on array of 128,000,000 items.
– Behrooz
Jun 25 '10 at 13:32
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Is there a REAL performance difference between INT and VARCHAR primary keys?
...oncerns in comments.
The setup was as follows:
Intel® Core™ i7-7500U CPU @ 2.70GHz × 4
15.6 GiB RAM, of which I ensured around 8 GB was free during the test.
148.6 GB SSD drive, with plenty of free space.
Ubuntu 16.04 64-bit
MySQL Ver 14.14 Distrib 5.7.20, for Linux (x86_64)
The tables:
c...
How can I maintain fragment state when added to the back stack?
...s well. It does not only keep fragment state, but also reduces the RAM and CPU load (because we only inflate layout if necessary). I can't believe Google's sample code and document never mention it but always inflate layout.
Version 1(Don't use version 1. Use version 2)
public class FragmentA exte...
PHP & mySQL: Year 2038 Bug: What is it? How to solve it?
...n 1901 rather than 2038
There is no easy fix for this problem for existing CPU/OS combinations, existing file systems, or existing binary data formats
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Git: How to edit/reword a merge commit's message?
...primitive commands might have the nice "feature" of not consuming too much CPU and making you wait unknown time until Git finishes thinking about the list of commits needing to be rebased in the case of git rebase -p -i HEAD^^^^ (such a command which would result in a list of only 4 last commits wit...