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QUESTION
For the tutorial Getting Started with Distributed Data Parallel
How does setup()
function knows the rank when mp.spawn()
doesn't pass the rank?
ANSWER
Answered 2022-Feb-08 at 16:14mp.spawn
does pass the rank to the function it calls.
From the torch.multiprocessing.spawn
docs
torch.multiprocessing.spawn(fn, args=(), nprocs=1, join=True, daemon=False, start_method='spawn')
...
fn (function) -
Function is called as the entrypoint of the spawned process. This function must be defined at the top level of a module so it can be pickled and spawned. This is a requirement imposed by multiprocessing. The function is called as
fn(i, *args)
, wherei
is the process index andargs
is the passed through tuple of arguments.
So when spawn
invokes fn
it passes it the process index as the first argument.
QUESTION
I’ve the following yaml which I need to apply using the K8S go sdk (and not k8s cli) I didn’t find a way with the go sdk as it is custom resource, any idea how I can apply it via code to k8s?
This is the file
Any example will be very helpful!
...ANSWER
Answered 2022-Jan-17 at 16:00QUESTION
I have a model that trains just fine on a single GPU. But I'm getting CUDA memory errors when I switch to Pytorch distributed data parallel (DDP). Specifically, the DDP model takes up twice the memory footprint compared to the model with no parallelism. Here is a minimal reproducible example:
...ANSWER
Answered 2021-Sep-03 at 17:46I'm adding here the solution of @ptrblck written in the PyTorch discussion forum.
Here're two quotes.
The statement:
[...] the allocated memory get doubled when
torch.distributed.Reducer
is instantiated in the constructor ofDistributedDataParallel
And the answer:
[...] the
Reducer
will create gradient buckets for each parameter, so that the memory usage after wrapping the model intoDDP
will be 2xmodel_parameter_size
. Note that the parameter size of a model is often much smaller than the activation size so that this memory increase might or might not be significant
So, from here we can see the reason why the memory footprint sometimes doubles.
QUESTION
This may be a very basic question (I imagine it is)
...ANSWER
Answered 2021-Jul-14 at 08:09When you call fit()
you can pass this parameter job_name=yourJobName
QUESTION
I can't seem to get the variable glooNamespaceExists
to actually print.I see in the console the response from kubectl
is there but the variable seems to be null
- I'm looking to skip this entire build stage if the namespace already exists..
ANSWER
Answered 2021-Jun-25 at 09:42Please add returnStdout: true
to your script command which will return exact output. Otherwise it will return status code which 0
. Please add returnStdout: true
like this so your command should be like this,
QUESTION
I know this question has been asked in a couple ways but I cannot figure it out on my specific use case. I used QT designer (pyQT 5.15) to create a layout and would like to use vispy as the display. After reading it seemed I had to set a widget but it still isn't clear to me how. This is what I have, and I am trying to have the simple example of changing the color from black to white via a timer. There are no errors but there is no visualization either.
Here is the GUI.ui converted to Python called GUI.py
...ANSWER
Answered 2021-May-04 at 00:54There are the following errors:
The
self.ui.vispy_widget(canvas.native)
command does not make sense, the idea is to use vispy_widget as a container for the native vispy widget that can be placed through a layout.The choice of the .ui form is used to determine the base class, in your case you should use QDialog instead of QMainWindow.
If you already set the Ui_Dialog in the widget then it is unnecessary to implement the same in
if __name__ == "__main__":
.You must import the
math
module.
QUESTION
I'm wanting to create a script which can run k apply -Rf ./service-token-auth
for each of the logical groups here. Mainly all of the graphql-* and data-service-* folders.
Is this something that would be quite easy to implement?
...ANSWER
Answered 2021-Apr-28 at 21:21you can iterate over files in bash
first make sure that it only hits the folders that you want
QUESTION
I am interested in gRPC, so I researched and test some kind of Microgateway tools such as Kong, Gloo, and WSO2 microgateway.
WSO2 microgateway was quite awesome and suitable for me. However I had to use only CLI while creating and testing stuffs. My question is how I can deploy and manage APIs witout CLI.
Any tips or plan to use Microgateway without CLI? I mean, RestAPI or Publisher support will be a perfect solution for me.
...ANSWER
Answered 2020-Dec-09 at 04:09You have to use the wso2 Microgateway toolkit(Microgateway CLI tool) to generate the API artifacts. The responsibility of the toolkit is to create a Microgateway project and after that generate an executable jar file for the Microgateway runtime. There is no other way to generate the Microgateway project and artifacts without CLI. To manage generated Microgateway projects you can use some version control system like Git and create some automation for the deployment.
QUESTION
I want to add an arrow (some object) upon the press of a button. The code is a modified version of the example given in the vispy repository.
...ANSWER
Answered 2020-Oct-02 at 16:50Following the suggestions of @djhoese and @RolfofSaxony, I have updated the code. The code now successfully adds an arrow upon clicking the button.
QUESTION
I am replacing nginx ingress with gloo ingress controller in kubernetes cluster and want to set timeout for response.There is an annotation for this in nginx.
nginx.ingress.kubernetes.io/proxy-read-timeout: "60"
Is there anything similar this in gloo-ingress-controller or else do I have to use virtualservice for this?
...ANSWER
Answered 2020-Jul-03 at 13:17The only annotation that you are supposed to use with Gloo is kubernetes.io/ingress.class: gloo
which is the standard way to mark an Ingress object as handled by a specific Ingress controller. This requirement will go away if you add the ability for Gloo to be the default Ingress controller for your cluster. Also, according to the documentation:
If you need more advanced routing capabilities, we encourage you to use Gloo VirtualServices by installing as glooctl install gateway.
Gloo Gateway uses Kubernetes Custom Resources instead of Ingress Objects as the only way to configure Ingress’ beyond their basic routing spec is to use lots of vendor-specific Kubernetes Annotations to your Kubernetes manifests.
So you are supposed to use VirtualService in order to achieve your goal. You can see the example below:
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