07-16-2013
Diameter protocol performance on RH 6.4
Hi,
I recently upgraded from RH 6.2 to RH 6.4 on our diameter application server. After the upgrade, we saw the performance throughput of out diameter application went down about 40%. From 459K transaction per second to 234K TPS on RH 6.4. Nothing has changed in the network. I am using HP G8 with 24 cpus. Does anyone have any idea of what could cause this? and how to get around it.
Thanks,
Ketan
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LEARN ABOUT MOJAVE
mpsimagemedian
MPSImageMedian(3) MetalPerformanceShaders.framework MPSImageMedian(3)
NAME
MPSImageMedian
SYNOPSIS
#import <MPSImageMedian.h>
Inherits MPSUnaryImageKernel.
Instance Methods
(nonnull instancetype) - initWithDevice:kernelDiameter:
(nullable instancetype) - initWithCoder:device:
(nonnull instancetype) - initWithDevice:
Class Methods
(NSUInteger) + maxKernelDiameter
(NSUInteger) + minKernelDiameter
Properties
NSUInteger kernelDiameter
Additional Inherited Members
Detailed Description
MPSImageMedian.h MetalPerformanceShaders.framework
Copyright:
Copyright (c) 2015 Apple Inc. All rights reserved. MetalPerformanceShaders median filters
The MPSImageMedian applies a median filter to an image. A median filter finds the median color value for each channel within a
kernelDiameter x kernelDiameter window surrounding the pixel of interest. It is a common means of noise reduction and also as a smoothing
filter with edge preserving qualities.
NOTE: The MPSImageMedian filter currently only supports images with <= 8 bits/channel.
Method Documentation
- (nullable instancetype) initWithCoder: (NSCoder *__nonnull) aDecoder(nonnull id< MTLDevice >) device
NSSecureCoding compatability While the standard NSSecureCoding/NSCoding method -initWithCoder: should work, since the file can't know
which device your data is allocated on, we have to guess and may guess incorrectly. To avoid that problem, use initWithCoder:device
instead.
Parameters:
aDecoder The NSCoder subclass with your serialized MPSKernel
device The MTLDevice on which to make the MPSKernel
Returns:
A new MPSKernel object, or nil if failure.
Reimplemented from MPSUnaryImageKernel.
- (nonnull instancetype) initWithDevice: (nonnull id< MTLDevice >) device
Standard init with default properties per filter type
Parameters:
device The device that the filter will be used on. May not be NULL.
Returns:
a pointer to the newly initialized object. This will fail, returning nil if the device is not supported. Devices must be
MTLFeatureSet_iOS_GPUFamily2_v1 or later.
Reimplemented from MPSUnaryImageKernel.
- (nonnull instancetype) initWithDevice: (nonnull id< MTLDevice >) device(NSUInteger) kernelDiameter
Initialize a filter for a particular kernel size and device
Parameters:
device The device the filter will run on
kernelDiameter Diameter of the median filter. Must be an odd number.
Returns:
A valid object or nil, if failure.
+ (NSUInteger) maxKernelDiameter
The maximum diameter in pixels of the filter window supported by the median filter.
+ (NSUInteger) minKernelDiameter
The minimum diameter in pixels of the filter window supported by the median filter.
Property Documentation
- kernelDiameter [read], [nonatomic], [assign]
The diameter in pixels of the filter window. The median filter is applied to a kernelDiameter x kernelDiameter window of pixels centered
on the corresponding source pixel for each destination pixel. The kernel diameter must be an odd number.
Author
Generated automatically by Doxygen for MetalPerformanceShaders.framework from the source code.
Version MetalPerformanceShaders-100 Thu Feb 8 2018 MPSImageMedian(3)