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Cover image for CPU Cache and JavaScript: Why Sorting an Array Can Make Loops 7x Slower

Mohsen Fallahnejad

Nov 6

CPU Cache and JavaScript: Why Sorting an Array Can Make Loops 7x Slower

#javascript #v8 #performance #cpucache

4 min read

Cover image for Layout Thrashing: Why Reading offsetWidth in a Loop Freezes the Page

Mohsen Fallahnejad

Nov 6

Layout Thrashing: Why Reading offsetWidth in a Loop Freezes the Page

#javascript #browser #performance #layout

4 min read

Cover image for V8 Garbage Collection: Why Middle-Aged Objects Are the Expensive Ones

Mohsen Fallahnejad

Nov 6

V8 Garbage Collection: Why Middle-Aged Objects Are the Expensive Ones

#javascript #v8 #node #performance

5 min read

Cover image for Hidden Classes in V8: Why Object Shape Changes Speed

Mohsen Fallahnejad

Nov 6

Hidden Classes in V8: Why Object Shape Changes Speed

#javascript #v8 #performance #hiddenclasses

5 min read

Cover image for Sliced Strings in V8: How a 20-Character ID Keeps 1 MB Alive

Mohsen Fallahnejad

Nov 6

Sliced Strings in V8: How a 20-Character ID Keeps 1 MB Alive

#javascript #v8 #node #performance

4 min read