I have a node.js app with 10k-100k concurrent setTimeouts running at any given time. (They are all 5 minute duration.) The callback is pretty trivial, just an H
Situation : I've created an app which needs to draw simple rectangles (1x1 - 3x3 size) depends on some variables stored in array of corresponding size (900x900
I am testing the performance of Node.js (ExpressJS/Fastify), Python (Flask) and Java (Spring Boot with webflux) with MongoDB. I hosted all these sample applicat
Consider the following auto a = 10; When does the compiler know that a is an int, at compile time or at run-time? If it deduces the type at run-time, will it n
I have this query: SELECT * FROM (SELECT a.id AS id, a.user_id AS user_id, aa.power * a.amount AS total_power, a.group_number A
I have the following code: function* getPossibleCollidersWith(shape) { for (let square of retrieve(shape)) { for (let neighbor of square) { yield ne
I have a large collection (~20M records) with some moderate documents with ~20 indexed fields. All of those indexes are single field. This collection also has q
I have a pretty big ASP.NET MVC site with 100 controllers and thousands of actions. Previously the header image that was defined on the Site.Master page was ha
I benchmarked these two functions (they unzip pairs back into source lists, came from here): n = 10**7 a = list(range(n)) b = list(range(n)) pairs = list(zip(a,
I was solving a problem on CodeWars and my solution keeps getting execution timeouts. I know the code is correct and doesn't take long to execute, since when I
We've recently updated our docker config from PHP7.4 to PHP8 running on Ubuntu 20.04. For most of the team this has been fine. For me and one other (both using
There are nested fragments with TabLayout and ViewPager. Each fragment has listview inside it so they get call together and now I'm getting an issue of slow pro
Value types in C# can't have a parameterless ctor, as the default behaviour for CLR when creating an instance without parameters is to just zero all the bits. A
I have a table with 1000 columns (yes its normalized), that is storing Biiig Daaata! I need to Insert Update new data as it becomes available overnight, and f
In the case that a load overlaps two earlier stores (and the load is not fully contained in the oldest store), can modern Intel or AMD x86 implementations forwa
After reading this post (answer on StackOverflow) (at the optimization section), I was wondering why conditional moves are not vulnerable for Branch Prediction
I'm doing micro-optimization on a performance critical part of my code and came across the sequence of instructions (in AT&T syntax): add %rax, %rbx mov %r
I have: the application multi thread, low latency OpenJDK 64-Bit Server VM version 11.0.7+10 configuration is Xms=6g Xmx=12g machine is 12CPU started in GCP (Go
I have been developing a game, using a Samsung Galaxy S6 running Marshmallow as one of my development devices. After the phone upgraded itself to Nougat, a met
I have been developing a game, using a Samsung Galaxy S6 running Marshmallow as one of my development devices. After the phone upgraded itself to Nougat, a met