Top Hackernews posts from lemire.me

  1. Memory access on the Apple M1 processor (lemire.me)
    372 points by luigi23 over 3 years ago | 260 comments
  2. Peer-reviewed papers are getting increasingly boring (lemire.me)
    364 points by ingve over 3 years ago | 204 comments
  3. Stop spending so much time being trolled by billionaire corps (lemire.me)
    291 points by ggoo almost 3 years ago | 166 comments
  4. Word-Aligned Bloom Filters (lemire.me)
    276 points by zdw almost 3 years ago | 77 comments
  5. Scan HTML faster with SIMD instructions – Chrome edition (lemire.me)
    241 points by p_l 3 months ago | 131 comments
  6. Go generics are not bad (lemire.me)
    232 points by ibobev about 2 years ago | 286 comments
  7. Fast midpoint between two integers without overflow (lemire.me)
    230 points by ibobev almost 2 years ago | 214 comments
  8. Apple’s M1 processor and the full 128-bit integer product (lemire.me)
    230 points by tgymnich over 3 years ago | 175 comments
  9. Parsing time stamps faster with SIMD instructions (lemire.me)
    227 points by mfiguiere about 1 year ago | 103 comments
  10. C23: A Slightly Better C (lemire.me)
    216 points by mfiguiere 8 months ago | 169 comments
  11. Science is the belief in the ignorance of experts (2020) (lemire.me)
    196 points by bumbledraven almost 2 years ago | 137 comments
  12. Counting cycles and instructions on the Apple M1 processor (lemire.me)
    193 points by chmaynard over 3 years ago | 90 comments
  13. Hotspot performance engineering fails (lemire.me)
    191 points by slimsag over 1 year ago | 102 comments
  14. Negative incentives in academic research (lemire.me)
    188 points by ibobev about 2 years ago | 79 comments
  15. In C, how do you know if the dynamic allocation succeeded? (lemire.me)
    188 points by ibobev almost 3 years ago | 193 comments
  16. How many billions of transistors in an iPhone processor? (lemire.me)
    182 points by greghn 11 months ago | 196 comments
  17. Parsing JSON faster with Intel AVX-512 (lemire.me)
    167 points by ashvardanian over 2 years ago | 71 comments
  18. Avoid exception throwing in performance-sensitive code (lemire.me)
    166 points by kristianp over 1 year ago | 240 comments
  19. Parsing integers quickly with AVX-512 (lemire.me)
    163 points by usdogu 12 months ago | 39 comments
  20. Do we need copyright? (2012) (lemire.me)
    161 points by ibobev over 1 year ago | 164 comments
  21. Some useful regular expressions for programmers (lemire.me)
    161 points by zdw over 3 years ago | 72 comments
  22. Graviton 3, Apple M2 and Qualcomm 8cx 3rd gen: a URL parsing benchmark (lemire.me)
    156 points by ibobev over 1 year ago | 95 comments
  23. Optimizing compilers reload vector constants needlessly (lemire.me)
    151 points by ibobev almost 2 years ago | 95 comments
  24. Enforcement by Software (lemire.me)
    148 points by ibobev over 2 years ago | 60 comments
  25. Removing characters from strings faster with AVX-512 (lemire.me)
    146 points by mdb31 over 2 years ago | 85 comments
  26. Peer review is an honor-based system (2008) (lemire.me)
    146 points by ibobev 8 months ago | 135 comments
  27. ARM vs. Intel on Amazon’s Cloud: A URL Parsing Benchmark (lemire.me)
    142 points by nnx over 1 year ago | 89 comments
  28. Ideal divisors: when a division compiles down to just a multiplication (lemire.me)
    141 points by chmaynard over 3 years ago | 67 comments
  29. Transcoding Latin 1 strings to UTF-8 strings at 12 GB/s using AVX-512 (lemire.me)
    128 points by mariuz about 1 year ago | 103 comments
  30. International domain names: where does https://meßagefactory.ca lead you? (lemire.me)
    127 points by Amorymeltzer over 1 year ago | 79 comments
  31. How does your programming language handle “minus zero” (-0.0)? (lemire.me)
    126 points by ibobev over 3 years ago | 207 comments
  32. Escaping strings faster with AVX-512 (lemire.me)
    124 points by ibobev about 2 years ago | 60 comments
  33. In C++, is empty() faster than comparing the size with zero? (lemire.me)
    123 points by ibobev almost 3 years ago | 81 comments
  34. How many floating-point numbers are in the interval [0,1]? (2017) (lemire.me)
    113 points by burntcaramel over 1 year ago | 66 comments
  35. Converting integers to decimal strings faster with AVX-512 (lemire.me)
    112 points by ibobev over 2 years ago | 64 comments
  36. Bit Hacking (with Go code) (lemire.me)
    111 points by gus_leonel about 1 year ago | 13 comments
  37. Transcoding Unicode with AVX-512: AMD Zen 4 vs. Intel Ice Lake (lemire.me)
    110 points by ibobev over 1 year ago | 67 comments
  38. Implementing ‘strlen’ using SVE (lemire.me)
    109 points by ibobev over 1 year ago | 45 comments
  39. Making all your integers positive with zigzag encoding (lemire.me)
    109 points by jjgreen almost 2 years ago | 40 comments
  40. For processing strings, streams in C++ can be slow (lemire.me)
    105 points by greghn 10 months ago | 101 comments
  41. How programmers make sure that their software is correct (lemire.me)
    104 points by ibobev over 2 years ago | 126 comments
  42. Computing the number of digits of an integer even faster (lemire.me)
    103 points by vitaut over 3 years ago | 56 comments
  43. Faster remainders when divisor is a constant: beating compilers and libdivide (lemire.me)
    101 points by marcodiego almost 3 years ago | 16 comments
  44. Parsing 8-bit integers quickly (lemire.me)
    99 points by usdogu 10 months ago | 62 comments
  45. Are your memory-bound benchmarking timings normally distributed? (lemire.me)
    94 points by mfiguiere over 1 year ago | 46 comments
  46. Quickly checking that a string belongs to a small set (lemire.me)
    93 points by ibobev over 1 year ago | 76 comments
  47. Packing a string of digits into an integer quickly (lemire.me)
    93 points by mfiguiere about 1 year ago | 18 comments
  48. Number Parsing at a Gigabyte per Second (lemire.me)
    91 points by mpweiher over 3 years ago | 19 comments
  49. An overview of version control in programming (lemire.me)
    90 points by ashvardanian over 2 years ago | 60 comments
  50. Dynamic bit shuffle using AVX-512 (lemire.me)
    90 points by ibobev about 1 year ago | 52 comments
  51. Counting the number of matching characters in two ASCII strings (lemire.me)
    84 points by ingve over 3 years ago | 48 comments
  52. Trimming spaces from strings faster with SVE on an Amazon Graviton 3 processor (lemire.me)
    82 points by ingve over 1 year ago | 49 comments
  53. (Don't) crank up the warnings to 11 (lemire.me)
    82 points by jjgreen over 1 year ago | 91 comments
  54. How much memory bandwidth do large Amazon instances offer? (lemire.me)
    79 points by ingve 8 months ago | 43 comments
  55. Defining interfaces in C++ with ‘concepts’ (C++20) (lemire.me)
    73 points by pjmlp over 1 year ago | 73 comments
  56. How I debate (lemire.me)
    71 points by signa11 almost 3 years ago | 76 comments
  57. Data scientists need to learn about significant digits (lemire.me)
    68 points by ibobev 9 months ago | 65 comments
  58. Revisiting Vernor Vinge’s “predictions” for 2025 (lemire.me)
    66 points by ibobev over 1 year ago | 46 comments
  59. Round a direction vector to an 8-way compass (lemire.me)
    64 points by greghn about 2 years ago | 38 comments
  60. Defining interfaces in C++: concepts versus inheritance (lemire.me)
    64 points by jandeboevrie over 1 year ago | 29 comments
  61. The big-load anti-pattern (lemire.me)
    64 points by r4um about 3 years ago | 23 comments
  62. A fast alternative to the modulo reduction (2016) (lemire.me)
    63 points by karmakaze about 3 years ago | 33 comments
  63. Fast bitset decoding using Intel AVX-512 (lemire.me)
    62 points by ngaut over 2 years ago | 19 comments
  64. Measuring energy usage: regular code vs. SIMD code (lemire.me)
    62 points by ashvardanian 7 months ago | 21 comments
  65. Estimating your memory bandwidth (lemire.me)
    62 points by ingve 8 months ago | 13 comments
  66. Web server 'hello world' benchmark: Go vs. Node.js vs. Nim vs. Bun (lemire.me)
    56 points by msndr 12 months ago | 66 comments
  67. Large language models as research assistants (lemire.me)
    56 points by leononame 5 months ago | 23 comments
  68. Programming-language popularity by GitHub pull requests (lemire.me)
    55 points by ibobev over 1 year ago | 70 comments
  69. Regular Visual Studio versus ClangCL (lemire.me)
    53 points by zdw over 1 year ago | 36 comments
  70. The absurd cost of finalizers in Go (lemire.me)
    50 points by jjgreen over 1 year ago | 19 comments