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Linux kernel upgrade 2 rpm

" 8. Reboot # Shutdown-r "Now" 9. View kernel compilation Results # Uname-r 3.2.14-rt24 Three, errors encountered in kernel compilation and resolution error one, error message at compile time in file included From/usr/include/sys/time.h:31, From/usr/include/linux/input.h:12, from samples/hidraw/hid-example.c:14:/usr/include/sys/select.h : 78:error:conflicting types for ' fd_set '/usr/include/linux/types.h:12:error:previous declaration

Use the Visual Studio analyzer to identify application bottlenecks

new Performance session is created. This session contains the target application (Mandel in our example) and is not reported. To start the analysis, click the "launch with profiling" button in the toolbar of the tool window. After the application draws an irregular image, immediately close the form to stop the analysis. Visual Studio automatically adds a new report to a performance session and starts analysis. After the analysis is complete, the Visual Studio Analyzer displays "Performance Repo

Common statistical concepts: t-test, F-test, Chi-square test, P-value, degree of freedom

that if there is an association between variables, we can get the same result of 5% or 95% times. When there is an association between variables in the population, the likelihood of repeated research and discovery associations is related to the Statistical effectiveness of the design .) In many research areas, a 0.05 P value is generally considered an acceptable boundary level. 3. t-test and F-test The specific content to be verified depends on the statistical program you are using. For exampl

Soundtouch audio processing database source code analysis and algorithm extraction (2)

Soundtouch audio processing database Initialization Process Analysis Define a variable soundtouch m_soundtouch; Derivation of soundtouch Export osamplepipe-> export oprocessor-> soundtouch (process [1]) Therefore, first construct the base class kerberosamplepipe, then derive the kerberoprocessor, and then derive the soundtouch from kerberoprocessor. I have to mention that the level of C ++ for foreigners is really high. Here, class inheritance is basically brought to the extreme. The ability to

Machine learning-classifier-cascade classifier Training (Train cascadeclassifier)

First, Introduction:The AdaBoost classifier is composed of Cascade classifiers, which means that the final classifier is composed of several simple classifiers cascade. In the image detection, the inspection window through each level classifier, so that in the previous layer of detection in most of the candidate areas are excluded, all through the detection of each level of the area is the target area.Once the classifier has been trained, it can be applied to the detection of the area of interes

Patterns Recognition (Pattern recognition) Learning notes (vi)--nonparametric estimation of probability density function

In the last chapter, we studied the parameter estimation methods of PDF, which mainly have the maximum likelihood estimation and Bayesian estimation, they mainly estimate the parameters of the PDF with definite form, and in reality, we can't know the exact form of the PDF, but can only estimate the whole PDF by using all the samples. And this estimate can only be solved by numerical method. In layman's terms, if the parameter estimation is to select o

Stanford University public Class machine learning: Advice for applying machines learning | Learning curves (Improved learning algorithm: the relationship between high and high variance and learning curve)

Drawing a learning curve is useful, for example, if you want to check your learning algorithm and run normally. Or you want to improve the performance or effect of the algorithm. Then the learning curve is a good tool. The learning curve can judge a learning algorithm, which is the problem of deviation, variance, or both.In order to draw a learning curve, the average error squared sum (jtrain) of the training set data is plotted first, or the mean error squared sum (JCV) of the cross-validation

Linux kernel Upgrade

Grub fileChange Default=1 to Default=0Then, after restarting the machine, verify that the upgrade was successful.Iii. Errors encountered in kernel compilation and solutionserror One,Error message at compile timeIn file included From/usr/include/sys/time.h:31,From/usr/include/linux/input.h:12,From samples/hidraw/hid-example.c:14:/usr/include/sys/select.h:78:error:conflicting types for ' fd_set '/usr/include/linux/types.h:12:error:previous declaration

Program performance analysis-using VS2008 's analysis tools

functions. For each function, the number represents the accumulated sample collected in the function body and all its child calls. The second list does not count the samples collected in the child call. This summary page shows that the Visual Studio parser collected 30.71% samples during the execution of the Drawmandel method. The remaining 69% of the samples ar

Unixbench test VPS

E5-2630 0 @ 2.30 GHz (4600.0 bogomips) Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET CPU 2: Intel (R) Xeon (R) CPU E5-2630 0 @ 2.30 GHz (4600.0 bogomips) Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET CPU 3: Intel (R) Xeon (R) CPU E5-2630 0 @ 2.30 GHz (4600.0 bogomips) Hyper-Threading, x86-64, MMX, Physical Address Ext, SYSENTER/SYSEXIT, SYSCALL/SYSRET 08:21:32 up, 1 user, load average: 0.01, 0.02, 0.00; runlevel 3 ---

Using Unixbench for performance testing in Linux

, Physical address Ext, Sysenter/sysexit, Syscall/sysret, Intel Virtualization CPU 1:intel (R) Xeon (r) CPU L5520 @ 2.27GHz (4533.6 bogomips) hyper-threading, x86-64, MMX, Physical address Ext, Sysenter/sysexit, Syscall/sysret, Intel Virtualization 09:41:17 up days, 9:21, 1 user, load average:0.23, 0.05, 0.02; RunLevel 3 ------------------------------------------------------------------------Benchmark Run:mon June 29 2013 09:41:17-10:09:292 CPUs in System; Running 1 parallel copy of tes

SVM (1) to (3) Refresh

(1) Overview of SVM Support vector machine was first proposed by Cortes and Vapnik in 1995. It has many unique advantages in solving small samples, non-linear and high-dimensional pattern recognition, and can be applied to function fitting and other machine learning problems [10].The SVM method is based on the VC Dimension Theory of the Statistical Learning Theory and the minimum structure risk principle, based on the limited sample information, we ca

New understanding of AUC KS

threshold value. And according to the financial definition: KS is 1, according to the predicted value of the partition to find the original Y value of the ratio (Division of good/bad/better than the overall good or bad). 2. The maximum value of the absolute difference of the ratio-bad proportion is the KS value. For example: 78217498 I don't think it's right. If the maximum value may be good or bad for a partition, such a value is meaningless. Only the absolute difference of the recall-false po

Use Python code examples to demonstrate the practical use of kNN algorithm, pythonknn

Use Python code examples to demonstrate the practical use of kNN algorithm, pythonknn The proximity algorithm, or K-Nearest Neighbor (kNN, k-NearestNeighbor) classification algorithm, is one of the simplest methods in Data Mining classification technology. The so-called K-Nearest Neighbor refers to k nearest neighbors, which means that each sample can be represented by k nearest neighbors.The core idea of kNN algorithm is that if most of the k adjacent sampl

Soundtouch audio processing database source code analysis and algorithm extraction (6)

Implementation of tdstretch class The soundtouch class member function putsamples (const sampletype * samples, uint nsamples) is implemented as follows. According to the analysis in the previous article, the rate is a ratio. If it is greater than 1, the speed is faster, in this case, the playback speed slows down. ...... # Ifndef prevent_click_at_rate_crossover Else if (rate { // Transpose the rate down, output the transposed sound to tempo changer B

[ML] VC Dimension

VC Dimension ( Vapnik-Chervonenkis dimension) Is an important indicator of function set learning performance defined by statistical learning theory to study the speed and promotion of consistent convergence in the learning process. The traditional definition is: For an indicator function set, if H samples exist, functions in the function set can be separated by all possible forms of K power of 2, the function set can scatter H

Basic Idea of Random Simulation and common sampling methods (sampling)

and place them evenly in the rectangular area. If we know the total number of soy beans s, as long as the number of soy beans in the irregular area M is S1, we can find the m area: M = S1 * R/S. In another example, in the field of machine learning or statistical computing, we often encounter the following problem: how to obtain a fixed point: \ INF _ A ^ B f (x) dx, such as normalization factor. How can we solve such problems? Of course, if the given points can be parsed and obtained directly,

Mini-batch Gradient Descent

number of samples is large, the iterative speed of the method can be imagined.Advantages: Global optimal solution, easy parallel implementation;Cons: The training process is slow when the number of samples is large.From the number of iterations, the number of BGD iterations is relatively small. The convergence curve diagram of its iteration can be expressed as follows:2, small batch gradient descent method

Object Recognition and scene understanding (6) Target Detection by hog + SVM in opencv

for sample training. This means that many people can only use the trained classifier provided by opencv for pedestrian detection. However, the built-in classifier of opencv uses navneetThe samples provided by Dalal and Bill triggs are not necessarily suitable for your application. Therefore, for your specific application scenarios, it is necessary to re-train your classifier. The purpose of this article is here. Re-train the pedestrian detection proc

Linear discriminant Analysis (Linear discriminant analytical, LDA) algorithm initial knowledge

Introduction to LDA algorithmA. LDA Algorithm Overview:Linear discriminant Analysis (Linear discriminant, LDA), also called Fisher Linear discriminant (Fisher Linear discriminant, FLD), is a classical algorithm for pattern recognition, It was introduced in the field of pattern recognition and artificial intelligence in 1996 by Belhumeur. The basic idea of sexual discriminant analysis is to project the high-dimensional pattern samples to the optimal d

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