RE: [chrono] Chrono Running lag

Wed, 01 Nov 2023 06:57:11 -0700 

Chrono makes no real-time guarantees.  Depending on model complexity, solver 
and integrator settings, and many other factors, some simulations will run 
faster, others slower. While a wheeled vehicle modeled through Chrono::Vehicle 
will likely run in (soft) real-time on commodity hardware, that’s certainly not 
the case with a model as complex as a tracked vehicle.

Debug code will *always* run slower that code built in Release.

As for using PyChrono, that will *not* give you any additional performance! As 
I mentioned before, PyChrono wraps around the C++ libraries. If anything, it 
may be very slightly slower (depending how much work you do in the interpreted 
Python layer).  And using Python will definitely not allow you to debug Chrono 
code.

--Radu




From: [email protected] <[email protected]> On Behalf 
Of lei wang
Sent: Wednesday, November 1, 2023 10:15 AM
To: ProjectChrono <[email protected]>
Subject: Re: [chrono] Chrono Running lag

Hello ，

First of all, thank you for your answer. It was very helpful，It does have a 
noticeable effect in the release version，However, demo_VEH_M113 will still run 
stutch, is there a solution for this?
One more. How do I Debug to make sure it doesn't run out.
Since I am not familiar with python, I will increase my learning of PyChrono if 
I can run faster simulations with PyChrono under Debug.
I look forward to your response.

Thanks,
leiw.

在2023年11月1日星期三 UTC+8 15:50:30<Radu Serban> 写道：
Leiv,

Simply build your code in Release (not Debug) and you will see significantly 
faster simulations.
By the way, you are not using PyChrono (which is a set of wrappers around the 
C++ libraries to allow using Chrono from Python).

--Radu

From: [email protected] <[email protected]> On Behalf Of ??
Sent: Wednesday, November 1, 2023 7:27 AM
To: ProjectChrono <[email protected]>
Subject: [chrono] Chrono Running lag


Hi, everyone

I'm using pychrono, but I'm having some problems:

My computer hardware environment：12th Gen Intel(R) Core(TM) i7-12700H、computer 
memory module：16G、Samsung SSD 980 PRO 1TB、NVIDIA GeForce RTX 3060 Laptop GPU

My computer software environment is windows11 Pro 64-bit, running under vs2022 
64-bit Debug

When I use some of the demos that come with the chrono vehicle module directly, 
I often get stuck and Windows refresh slowly, such as demo_VEH_CityBus, 
demo_VEH_M113, etc.

The following figure shows some runtime interfaces and parameters

I hope you can give me some advice and look forward to your reply.

demo_VEH_CityBus

[https://groups.google.com/group/projectchrono/attach/819ac211680fd/image001.png?part=0.1&view=1][https://groups.google.com/group/projectchrono/attach/819ac211680fd/image002.png?part=0.2&view=1]



demo_VEH_HMMWV

[https://groups.google.com/group/projectchrono/attach/819ac211680fd/image003.png?part=0.3&view=1][https://groups.google.com/group/projectchrono/attach/819ac211680fd/image004.png?part=0.4&view=1]

demo_VEH_M113

[https://groups.google.com/group/projectchrono/attach/819ac211680fd/image005.png?part=0.5&view=1][https://groups.google.com/group/projectchrono/attach/819ac211680fd/image006.png?part=0.6&view=1]



I need your help

Thanks

leiw
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