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CPU Usage Avoid 100% With Environment.ProcessorCount?


CPU Usage Avoid 100% With Environment.ProcessorCount?

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CPU Usage Avoid 100% With Environment.ProcessorCount?
Tag : chash , By : sadboy
Date : November 24 2020, 03:41 PM


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Question about Environment.ProcessorCount


Tag : chash , By : user118656
Date : March 29 2020, 07:55 AM
will be helpful for those in need It will return the NUMBER_OF_PROCESSORS environment variable. (see MSDN)
This will equal the number of logical cores - i.e. if you have a HT enabled single core processor, it will return 2.

Environment.ProcessorCount in Windows Azure


Tag : chash , By : micaleel
Date : March 29 2020, 07:55 AM
fixed the issue. Will look into that further I think that you've read the wrong MSDN :) There is no such information in it about azure. Moreover, there is a lot of articles for ProcessorCountusage in Azure environment:
protected void Page_Load(object sender, EventArgs e)
{
    StringBuilder builder = new StringBuilder();

    // Show the Environment Information
    builder.AppendLine("<h2>Environment Information</h2>");
    builder.Append("<b>Machine Name: </b>" + Environment.MachineName + "<br>");
    builder.Append("<b>OS Version: </b>" + Environment.OSVersion + "<br>");
    builder.Append("<b>Is 64Bit Operating System: </b>" + Environment.Is64BitOperatingSystem + "<br>");
    builder.Append("<b>Processor Count: </b>" + Environment.ProcessorCount + "<br>");
    builder.Append("<b>User Name: </b>" + Environment.UserName + "<br>");
    builder.Append("<b>Is Debugger Attached: </b>" + Debugger.IsAttached + "<br>");

    // Show the Process Information
    builder.AppendLine("<h2>Processes Information</h2>");
    foreach (Process process in Process.GetProcesses())
        builder.AppendLine(process.ProcessName + "</br>");

    // Show the RoleEnvironment Information
    builder.AppendLine("<h2>Role Environment Information</h2>");
    builder.Append("<b>Curent Role Instance Name: </b>" + RoleEnvironment.CurrentRoleInstance.Role.Name + "<br>");
    builder.Append("<b>Deployment Id: </b>" + RoleEnvironment.DeploymentId + "<br>");
    builder.Append("<b>Is Emulated: </b>" + RoleEnvironment.IsEmulated + "<br>");

    // Display the Resutls
    InfoLabel.Text = builder.ToString();
}

ProcessorCount in WCF Throttling defaults: Environment.ProcessorCount or Count of Processors?


Tag : chash , By : user183442
Date : March 29 2020, 07:55 AM
Does that help Based on the source code for .NET 4.7.1, the values you saw are correct. This is because you're reading configuration properties from the config, not the properties set in the instance of ServiceThrottle.
If you look at the code for ServiceThrottlingElement, you will see the following properties:
[ConfigurationProperty(ConfigurationStrings.MaxConcurrentCalls, DefaultValue = ServiceThrottle.DefaultMaxConcurrentCalls)]
[IntegerValidator(MinValue = 1)]
public int MaxConcurrentCalls
{
    get { return (int)base[ConfigurationStrings.MaxConcurrentCalls]; }
    set { base[ConfigurationStrings.MaxConcurrentCalls] = value; }
}

[ConfigurationProperty(ConfigurationStrings.MaxConcurrentSessions, DefaultValue = ServiceThrottle.DefaultMaxConcurrentSessions)]
[IntegerValidator(MinValue = 1)]
public int MaxConcurrentSessions
{
    get { return (int)base[ConfigurationStrings.MaxConcurrentSessions]; }
    set { base[ConfigurationStrings.MaxConcurrentSessions] = value; }
}
internal const int DefaultMaxConcurrentCalls = 16;
internal const int DefaultMaxConcurrentSessions = 100;
internal ServiceThrottle(ServiceHostBase host)
{
    if (!((host != null)))
    {
        Fx.Assert("ServiceThrottle.ServiceThrottle: (host != null)");
        throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("host");
    }
    this.host = host;
    this.MaxConcurrentCalls = ServiceThrottle.DefaultMaxConcurrentCallsCpuCount;
    this.MaxConcurrentSessions = ServiceThrottle.DefaultMaxConcurrentSessionsCpuCount;
    this.isActive = true;
}
internal static int DefaultMaxConcurrentCallsCpuCount = DefaultMaxConcurrentCalls * OSEnvironmentHelper.ProcessorCount;
internal static int DefaultMaxConcurrentSessionsCpuCount = DefaultMaxConcurrentSessions * OSEnvironmentHelper.ProcessorCount;

How to fill a listbox based on Environment.ProcessorCount


Tag : wpf , By : James Dio
Date : March 29 2020, 07:55 AM

MaxDegreeOfParallelism = Environment.ProcessorCount slows down execution time on my CPU


Tag : chash , By : Manik
Date : March 29 2020, 07:55 AM
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