CommunityNews

CommunityNews

What are the ways compilers recognize complex patterns?

What are the ways compilers recognize complex patterns?.
This answer is an example of a compiler recognizing that a complex expression is equivalent to a single operation:

uint8_t pcnt64(uint64_t n) {
n = n - ((n >> 1) & 0x5555555555555555…

Read in full here:

This thread was posted by one of our members via one of our news source trackers.

Where Next?

Popular General Dev topics Top

First poster: dimitarvp
On Wednesday last week, Google’s Fiona Cicconi wrote to company employees. She announced that Google was bringing forward its timetable ...
New
First poster: bot
Site Fingerprinting google.com Yes youtube.com Yes Amazon.com Yes Yahoo.com Yes Zoom.us No Facebook.com Yes Reddit.com Ye...
New
First poster: iPaul
TOKYO (Kyodo) – Japan’s government plans to encourage firms to let their employees choose to work four days a week instead of five, aimin...
New
First poster: dyowee
Everyone seems to be striving for ‘clean’ code at the moment. You can’t read a blog post without the author telling you how clean their a...
New
First poster: cpgo
8 reasons to ditch Chrome and switch to Firefox. Chrome may dominate, but Firefox is a known name among browsers for a reason. Whether y...
New
First poster: bot
Hector Martin (@marcan@treehouse.systems). Attached: 1 image For those wondering why the hell we need all this safety system stuff for...
New
First poster: bot
openai-python/chatml.md at main · openai/openai-python. The OpenAI Python library provides convenient access to the OpenAI API from appl...
New
First poster: KnowledgeIsPower
Building a Slack/Discord alternative with Tauri/Rust linen <span class="hashtag-icon-placeholder"></span>blog. Introduction My name is K...
New
CommunityNews
GitHub - ItzCrazyKns/Perplexica: Perplexica is an AI-powered search engine. It is an Open source alternative to Perplexity AI. Perplexic...
New
CommunityNews
The French originated the meter in the 1790s as one/ten-millionth of the distance from the equator to the north pole along a meridian thr...
New

Other popular topics Top

ohm
Which, if any, games do you play? On what platform? I just bought (and completed) Minecraft Dungeons for my Nintendo Switch. Other than ...
New
Exadra37
Please tell us what is your preferred monitor setup for programming(not gaming) and why you have chosen it. Does your monitor have eye p...
New
DevotionGeo
I know that -t flag is used along with -i flag for getting an interactive shell. But I cannot digest what the man page for docker run com...
New
AstonJ
I have seen the keycaps I want - they are due for a group-buy this week but won’t be delivered until October next year!!! :rofl: The Ser...
New
Exadra37
Oh just spent so much time on this to discover now that RancherOS is in end of life but Rancher is refusing to mark the Github repo as su...
New
AstonJ
Seems like a lot of people caught it - just wondered whether any of you did? As far as I know I didn’t, but it wouldn’t surprise me if I...
New
PragmaticBookshelf
Build efficient applications that exploit the unique benefits of a pure functional language, learning from an engineer who uses Haskell t...
New
husaindevelop
Inside our android webview app, we are trying to paste the copied content from another app eg (notes) using navigator.clipboard.readtext ...
New
DevotionGeo
I have always used antique keyboards like Cherry MX 1800 or Cherry MX 8100 and almost always have modified the switches in some way, like...
New
AstonJ
If you’re getting errors like this: psql: error: connection to server on socket “/tmp/.s.PGSQL.5432” failed: No such file or directory ...
New