07-24-2012
Recent network change in our environment took more then 25 seconds. It is caused issue in cluster.
Secondary server took leadership since it is not get any response from primary.
But actually primary was up and running. After network established it is able to get response but already some of resources moved to secondary.
So primary is gone in to graceful shutdown.
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LEARN ABOUT MOJAVE
mpscnnsubtractgradient
MPSCNNSubtractGradient(3) MetalPerformanceShaders.framework MPSCNNSubtractGradient(3)
NAME
MPSCNNSubtractGradient
SYNOPSIS
#import <MPSCNNMath.h>
Inherits MPSCNNArithmeticGradient.
Instance Methods
(nonnull instancetype) - initWithDevice:
Additional Inherited Members
Detailed Description
This depends on Metal.framework. Specifies the subtraction gradient operator. This arithmetic gradient filter requires the following
inputs: gradient image from the previous layer (going backwards) and either the primary or the secondary source image from the forward
pass. You will need a separate filter for the primary and secondary source images.
Without broadcasting, the arithmetic subtract gradient operation for the primary source image is a copy operation on the input gradient
image (for x - y, d/dx(x - y) = 1). This copy operation can be optimized away by the graph interface.
For the secondary source image, the result is a negation of the gradient image from the previous layer (for x - y, d/dy(x - y) = -1).
Setting the broadcasting parameters results in a reduction operation (sum) across all of the applicable broadcasting dimensions (rows,
columns, feature channels, or any combination thereof) to produce the destination image of the size that matches the primary/secondary
input images used in the forward pass.
Method Documentation
- (nonnull instancetype) initWithDevice: (nonnull id< MTLDevice >) device
Initialize the subtraction gradient operator.
Parameters:
device The device the filter will run on.
Returns:
A valid MPSCNNSubtractGradient object or nil, if failure.
Reimplemented from MPSCNNArithmeticGradient.
Author
Generated automatically by Doxygen for MetalPerformanceShaders.framework from the source code.
Version MetalPerformanceShaders-100 Thu Feb 8 2018 MPSCNNSubtractGradient(3)