optimization

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dompdf table rendering issue

I\'m using DomPDF to generate invoices in a project I\'m working on. I\'ve done so several times before and never had any trouble but sinc开发者_C百科e today however It got so slow that the maximum ex[详细]

2023-04-09 23:33 分类：问答
How to profile a C++ function at assembly level?

I have a function that is the bottleneck of my program. It requires no access to memory and requires only calculation. It is the inner loop and called many times so any small gains to this function is[详细]

2023-04-09 19:34 分类：问答
Algorithm - find the minimal subtraction between sum of two arrays

I am hunting job now and doing many algorithm exercises. Here is my problem: Given two arrays: a and b with same length, the subject is to make |sum(a)-sum(b)| minimal, by swapping elements between[详细]

2023-04-09 18:07 分类：问答
Which is the fastest way to search a value within a set of many "range" objects in Python

I have a list of many Python objects like this: class RangeClass(object): def __init__(self,address,size):[详细]

2023-04-09 17:58 分类：问答
How can I improve my Trie implementation in terms of initialization?

I\'m trying to read in from a huge list of words and store them in a way that allows me to make quick retrievals later on. I first thought of using a trie and I\'ll admit my implementation isnaive, it[详细]

2023-04-09 16:25 分类：问答
How to measure how long the function works

I am trying to compare the performance of several different algorithms. So created several functions each of them implementing different approach of solving the same task.[详细]

2023-04-09 16:16 分类：问答
Efficient implementation of mutual information in Java

I\'m looking to calculate mutual information between two features, using Java. I\'ve read Calculating Mutual Information For Selecting a Training Set in Java already, but that was a discussion of if[详细]

2023-04-09 16:03 分类：问答
Which indices should be added to speed up queries on massive InnoDB table?

Here is my table: CREATE TABLE `letters` ( `a` bigint(20) unsigned NOT NULL, `b` bigint(20) unsigned NOT NULL,[详细]

2023-04-09 15:08 分类：问答
How can I optimize this code by using SENDER?

I have a form that contains 16 TCheckBox and 32 TEditBox. Every 2 TEditBox en-ability is depending of the checkBox state.[详细]

2023-04-09 14:03 分类：问答
Which one is faster ? Function call or Conditional if Statement?

Please consider the branch prediction too before answering this question. I have some scenarios where i can replace a conditional statement with a call to a function with the help of function pointer[详细]

2023-04-09 13:55 分类：问答