Recent questions tagged performance

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performance - Why does the java DirectoryStream perform so slow?

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 792 views

performance - Efficient sse shuffle mask generation for left-packing byte elements

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 899 views

performance - Join with Pythons sqlite module is slower than doing it manually

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 832 views

performance - Do modern Java compilers/JVM inline functions/methods which are called exactly from one place?

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 844 views

performance - High cost of polymorphism in Java Hotspot server

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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performance - Why does this code using streams run so much faster in Java 9 than Java 8?

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 958 views

performance - Fastest Linux system call

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 890 views

performance - jQuery what is faster: selectors or methods?

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 862 views

performance - How to Optimize the Use of the "OR" Clause When Used with Parameters (SQL Server 2008)

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 795 views

performance - Xcode 4.3.2 and 100% CPU constantly in the idle time

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 808 views

performance - Best practice when working with sparse matrices

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 877 views

performance - How to use scala.collection.immutable.List in a Java code

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 869 views

performance - Limiting java application's memory and cpu usage

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 951 views

performance - Does field type matter in a MongoDB index?

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 764 views

performance - Xcode 4.3.2 and 100% CPU constantly in the idle time

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1 answer 803 views

performance - Best practice when working with sparse matrices

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 809 views

performance - How to use scala.collection.immutable.List in a Java code

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1 answer 895 views

performance - Limiting java application's memory and cpu usage

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 867 views

performance - Does field type matter in a MongoDB index?

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 754 views

performance - Does every c++ member function take `this` as an input implicitly?

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 781 views

performance - At what point are WebSockets less efficient than Polling?

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 797 views

performance - Why does my code run slower when I remove bounds checks?

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 873 views

performance - Division by a constant using shifts and adds/subtracts

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 768 views

performance - Two simple codes to generate divisors of a number. Why is the recursive one faster?

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 1.0k views

performance - Efficiently counting number of unique elements - NumPy / Python

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 807 views

performance - What's the ideal implementation for the Sieve of Eratosthenes between Lists, Arrays, and Mutable Arrays?

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 928 views

performance - Date roll-up in R

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 1.0k views

performance - What's the most efficient way to marshal C++ structs to C#?

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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