2,332 questions
Advice
0
votes
1
replies
47
views
Swap full but all process terminated : does Linux free "orphans" pages when needed?
this is the first time I encounter a swap issue, I'm lost about how Linux is supposed to behave. I have a RHEL virtual machine running a batch processing RAM intensive application (100+GB RAM, 1GB ...
- 11
0
votes
0
answers
145
views
Unable to run linux.pslist.PsList: Unsatisfied requirement plugins.PsList.kernel.layer_name / symbol_table_name on Android 15 dump
I'm unable to access the linux.pslist.PsList plugin (and others) in Volatility 3 Framework 2.27.0.
The plugin fails to resolve the kernel layer and symbol table, even though a Linux symbol file for ...
- 1
-2
votes
1
answer
91
views
Translating flags into memory addresses ram map pokemon [closed]
I'm trying to understand how to get memory addresses from the page https://datacrystal.tcrf.net/wiki/Pok%C3%A9mon_Gold_and_Silver/Flags in order to put them in my pyboy project.
For instance I want to ...
- 33
1
vote
0
answers
32
views
What are "core outgoing entries", and how do they differ from CAS read and writes?
Linux perf computes the DRAM bandwidth from the performance counter UNC_ARB_TRK_REQUESTS.ALL, which Intel documents as
Total number of core outgoing entries allocated. Accounts for coherent and non-...
0
votes
2
answers
150
views
Import statement difference in Java vs Python
I just wanted to ask whether all modules imported with an import statement in java and python are loaded into memory at runtime, even if they are not used in the program. I asked somebody and they ...
1
vote
1
answer
107
views
How to load QByteArray to RAM and access it as .db file
Now I'm currently developing a password manager program. I have some encrypted .db file, after decrypting it as QByteArray I want to save it somewhere in RAM so I don't create temporary files. After ...
1
vote
0
answers
61
views
MaxRSS larger than ReqMem for slurm job runing python. How come?
I am confused about how exactly allocated and used memory are defined for jobs on a cluster. I am limiting my jobs to use maximum of 150 GB, however they seem to be using ~650GB. This has not happened ...
- 11
0
votes
0
answers
53
views
Issue with IIS application pool memory limit in Azure(Blazor .NET)
I have a Blazor application deployed on an IIS application pool running on an Azure server. However, I'm facing an issue with a memory leak, and while I'm working on fixing it, I want to limit the RAM ...
6
votes
2
answers
441
views
Why does Runtime.maxMemory() change its value on separate calls?
I was debugging some OutOfMemoryError issues in my code, so I built a method that printed out the RAM statistics, including the max memory.
To my surprise, multiple attempts at calling the method ...
- 240
2
votes
0
answers
69
views
How to verify the granularity of memory access interleaving across different channels?
According to AMD's material, access to contiguous physical addresses will be interleaved across all memory channels (if set to NPS1). When a machine has 8 memory channels and the size of memory ...
- 809
0
votes
1
answer
59
views
RabbitMQ overflow buffer/cache memory
im first time here :) The server hosting RabbitMQ is constantly consuming cache and buffer and continues to grow. The message flow has not increased. After reaching the limit, the service goes down.
...
- 1
1
vote
0
answers
126
views
Spec '06 benchmarks on Gem5: Increasing stack size by one page
I am trying to run the Spec '06 benchmarks on Gem5. All of the benchmarks I've tried seem to start up normally and then output the following and stall indefinitely:
src/sim/mem_state.cc:448: info: ...
1
vote
0
answers
31
views
Train Keras model in loop -> working memory increases
I have noticed a strange behavior when training my Keras model.
I have 2 functions:
generate_net, which returns a compiled keras model
train_net, which trains this model
When I call them like this, ...
- 13
0
votes
1
answer
99
views
What happens if I only write 1 byte to an external 16bit register of SDRAM [closed]
I am working on a project which uses a STM32F429ZIT6 (32-bit) with an external 64MB of SDRAM (4M*16-bit registers). In the project I have seen the SDRAM accessed as:
void LCD_mirror(void)
{
unsigned ...
- 3
0
votes
1
answer
293
views
How to let an extension or tab use unlimited amount of RAM in browser
I have been using ChatGPT for a long time and I am wanting to keep offline copy of my prompts. I came across an extension called "ExportGPT" which lets me export my chat into a PDF, Word, ...
0
votes
1
answer
106
views
Sub bus of an internal node may not be used. Nand2tetris hdl error while making the RAM8 chip in project3
I used 16 DMux8Way chips to take the 16 bit input and put in a temporary variable according to the address. The naming convention used to assign the temporary variable is (p, q, r, s, t, u, v, w, x, y,...
- 3
2
votes
0
answers
56
views
What happens inside stack when you add an additional element to an array in php?
I learned php before learning C and C++. That's why when I found out that the developer must defined the length of an array when defining the array itself, I couldn't understand the underlying purpose ...
- 35
0
votes
0
answers
108
views
Plotting line plot in Python matplot for array with billion entries, run out of RAM
In the below code, I create a big array, and I want to plot it as a line plot. I must use numpy's memory mapped arrays that I learned about here to even create the array (and the x-values). This post ...
- 127
3
votes
0
answers
341
views
How to get RAM and CPU usage percentages that match with values shown in Task Manager
I need to get the percentage of CPU and RAM usage at a given time using .net core 8 WEB API accurately with the figures shown in Task Manager.
The problem I'm facing is the percentages of the value I ...
- 6,996
0
votes
1
answer
37
views
Python Ram Issues After PC Power Loss
Following a PC crash (power outage), my programs, which were running fine before the crash, have started acting up with a Memory Error on the console. This error only happens when I launch the program ...
2
votes
1
answer
83
views
Is there a way to train a KNN model partially on multiple datasets?
I am working with a very large datasets consisting of the data of 50 (total of 150 GB) participants. The concatenated/merged data file is so large that my computer keeps running into memory errors. ...
- 21
0
votes
1
answer
59
views
Clean RAM cache : potential troubles?
Here is the result of free -m command on my virtual machine.
Mem : 16000 (total) 820 (used) 150 (free) 1 (shared) 15029 (buff/cache) 14840 (available)
Swap : 16383 (total) 259 (used) 16124 (free)
I ...
0
votes
1
answer
166
views
Vuong test for non-nested linear mixed-effect regession model (lme4), using the nonnest2 library
I would like to compare a pair of non-nested models that I fit using lme4 in R.
I would like to apply the Vuong test (1989) for that.
It seems like the nonnest2 package is the only one that supports ...
- 21
0
votes
0
answers
38
views
Why little endian? (Regarding shifts)
I'm a programmer, wondering about the impact of byte ordering on bit shift operations.
I've come back around to this topic time and time again but never found an answer to it:
Why does everyone hype ...
- 11
0
votes
1
answer
100
views
How can I debug crash where a Tensorflow model is trying to allocate too much memory
My tensorflow model is 230MB in params, and using a 300MB dataset, but crashing after one epoch. It' training a CNN on a binary classification problem.
System has a 16GB of RAM and a RTX 4070Ti
After ...
