# Popular posts (≥100 likes), last 60 days

Author: [@lemire](https://x.com/lemire)

Window: 2026-05-12 → 2026-07-11 (UTC). Pure retweets excluded.

Count: **14** posts

## 1. 470 likes — 2026-05-21

- **URL:** https://x.com/lemire/status/2057449025058525210
- **Likes:** 470 · **Views:** 228,714 · **Reposts:** 36 · **Replies:** 270

```
I am getting tired of reading 'experts' like LeCun repeatedly claiming that our AIs are nowhere near human-level intelligence.
Let us look at the evidence.
US universities rank students based on standardized tests like the SAT. Current AIs achieve near-perfect SAT scores. They https://t.co/MDrefsAet2
```

## 2. 456 likes — 2026-05-17

- **URL:** https://x.com/lemire/status/2056009575929704595
- **Likes:** 456 · **Views:** 30,722 · **Reposts:** 19 · **Replies:** 12

```
Wait ? What ? Is Go adding support for data parallellism (SIMD) in the standard library ?

If Go starts adding SIMD support, I'll need to add a new chapter to my Go book.

https://t.co/I5untcDdBJ https://t.co/yTMcXyXv1H
```

## 3. 385 likes — 2026-05-15

- **URL:** https://x.com/lemire/status/2055256893451354128
- **Likes:** 385 · **Views:** 32,783 · **Reposts:** 46 · **Replies:** 2

```
Just gave a talk on SIMD-accelerated data processing in C++!
We push JSON parsing to ~14 GB/s single-threaded on a macBook, added C++26 compile-time reflection for zero-boilerplate (de)serialization, and brought blazing fast UTF-8/16 + Base64 to browsers (16+ GB/s).
Hardware
```

## 4. 301 likes — 2026-05-16

- **URL:** https://x.com/lemire/status/2055619273859694645
- **Likes:** 301 · **Views:** 43,717 · **Reposts:** 29 · **Replies:** 29

```
In many applications, you need a map from strings to integers. In python, you might do it like so...

d = {"apple": 100, "banana": 200, "cherry": 300}

If you have 1 million keys, that can use a lot of memory!!!  Like over 100 bytes per key!

I have published a new library that https://t.co/FXEQvkBBoo
```

## 5. 272 likes — 2026-06-06

- **URL:** https://x.com/lemire/status/2063103547021935026
- **Likes:** 272 · **Views:** 98,056 · **Reposts:** 27 · **Replies:** 25

```
Le monde qui a enfanté @ylecun n’est pas celui d’Albert Einstein. Einstein n’avait pas la revue par les pairs ni la National Science Foundation et ses mécanismes de financement bureaucratiques.

Dans la première moitié du XXᵉ siècle et jusqu’à la fin des années 1960, la plupart https://t.co/rGVM4v3NYB
```

## 6. 245 likes — 2026-06-05

- **URL:** https://x.com/lemire/status/2062715526636253385
- **Likes:** 245 · **Views:** 31,655 · **Reposts:** 38 · **Replies:** 36

```
What is happening to universities is troubling.

Students just have AI do their programming assignments. They seem to no longer do any work. It is just pure AI.

I am not joking. Students complete an entire course, and then end up not being unable to write a 3-line function.

So https://t.co/US0X1emXZi
```

## 7. 195 likes — 2026-05-19

- **URL:** https://x.com/lemire/status/2056706563960647738
- **Likes:** 195 · **Views:** 15,824 · **Reposts:** 24 · **Replies:** 4
- **X Article:** [SIMD-accelerated integer-to-string conversion](https://x.com/i/article/2056459033561952256)

```
https://t.co/dTALpbXH2u
```

## 8. 194 likes — 2026-06-05

- **URL:** https://x.com/lemire/status/2062880075117113739
- **Likes:** 194 · **Views:** 23,392 · **Reposts:** 21 · **Replies:** 37

```
Nvidia is proposing a beast of a CPU system for Windows PCs.
It has 128 GB of shared memory and comes with up to 6,144 state-of-the-art CUDA cores. 

CPU wise, the chip has 10 performance cores and 10 efficiency cores. The performance cores are based on the Cortex-X925. These https://t.co/dSGWII6rex
```

## 9. 170 likes — 2026-05-23

- **URL:** https://x.com/lemire/status/2058017478895173977
- **Likes:** 170 · **Views:** 20,797 · **Reposts:** 18 · **Replies:** 7
- **X Article:** [Parsing IPv6 Addresses Crazily Fast with AVX-512](https://x.com/i/article/2058016449361317888)

```
https://t.co/4cneJVHmOH
```

## 10. 140 likes — 2026-06-19

- **URL:** https://x.com/lemire/status/2067955827567145150
- **Likes:** 140 · **Views:** 8,323 · **Reposts:** 9 · **Replies:** 8

```
Earlier this year, I promoted my book Mastering Programming. It is for readers are already programmers but want to improve their skills.
The feedback has been great. Many people enjoy the book.
Interestingly, there are still people reading programming books in 2026! Who knew?
```

## 11. 135 likes — 2026-07-01

- **URL:** https://x.com/lemire/status/2072348826858332231
- **Likes:** 135 · **Views:** 20,203 · **Reposts:** 8 · **Replies:** 1

```
Bun includes a fast JSON parser leveraging data-parallel instructions (SIMD). Similarly, Node.js — the standard JavaScript runtime — features a fast JSON parser based on the same approach, thanks to @yagiznizipli who integrated the simdjson library.

further reading: https://t.co/W1bRhqrFw6
```

## 12. 125 likes — 2026-07-03

- **URL:** https://x.com/lemire/status/2072919933747417596
- **Likes:** 125 · **Views:** 19,196 · **Reposts:** 7 · **Replies:** 4

```
I maintain a few popular libraries used in critical systems. I get a constant flow of « vulnerability reports », many of them are not vulnerabilities and should not be acted upon.

Matteo describes a scenario where he (an expert) got caught up and « fixed » a vulnerability that https://t.co/bQglTJKL7Z
```

## 13. 115 likes — 2026-05-18

- **URL:** https://x.com/lemire/status/2056365013443465624
- **Likes:** 115 · **Views:** 14,584 · **Reposts:** 8 · **Replies:** 13

```
GCC16 supports contracts in C++. Among other things, you can specify in code your expectations regarding the parameters, as well as your expectations regarding the outputs.

How this is check depends on the execution profile.

You can specify it with  -fcontract-build-level=... https://t.co/GfjpDR7pyD
```

## 14. 111 likes — 2026-06-14

- **URL:** https://x.com/lemire/status/2066174269839519796
- **Likes:** 111 · **Views:** 14,531 · **Reposts:** 9 · **Replies:** 6
- **X Article:** [Parsing JSON at compile time with C++26 static reflection](https://x.com/i/article/2066173395083943936)

```
https://t.co/vhAnbKjckw
```

