Let's build a compressor from scratch
https://www.reddit.com/r/programming/comments/1w5l8wx/lets_build_a_compressor_from_scratch/

submitted by /u/aochagavia (https://www.reddit.com/user/aochagavia)
[link] (https://ochagavia.nl/blog/lets-build-a-compressor-from-scratch/) [comments] (https://www.reddit.com/r/programming/comments/1w5l8wx/lets_build_a_compressor_from_scratch/)

CTTI is Exponential, RTTI is Linear
https://www.reddit.com/r/programming/comments/1w5ov1s/ctti_is_exponential_rtti_is_linear/

submitted by /u/gingerbill (https://www.reddit.com/user/gingerbill)
[link] (https://www.gingerbill.org/article/2026/09/02/ctti-is-exponential-rtti-is-linear/) [comments] (https://www.reddit.com/r/programming/comments/1w5ov1s/ctti_is_exponential_rtti_is_linear/)

Squeezing Performance out of eBPF
https://www.reddit.com/r/programming/comments/1w5p84l/squeezing_performance_out_of_ebpf/

submitted by /u/mttd (https://www.reddit.com/user/mttd)
[link] (https://bitbison.io/blog/ebpf-performance/) [comments] (https://www.reddit.com/r/programming/comments/1w5p84l/squeezing_performance_out_of_ebpf/)

Ok, but does it scale?
https://www.reddit.com/r/programming/comments/1w6fg39/ok_but_does_it_scale/

submitted by /u/theartofengineering (https://www.reddit.com/user/theartofengineering)
[link] (https://spacetimedb.com/blog/how-does-spacetime-scale) [comments] (https://www.reddit.com/r/programming/comments/1w6fg39/ok_but_does_it_scale/)

[PDF] Lost Bytes At The Crossroads Between User- And Kernel-Level Memory Allocation
https://www.reddit.com/r/programming/comments/1w6hm8j/pdf_lost_bytes_at_the_crossroads_between_user_and/

submitted by /u/mttd (https://www.reddit.com/user/mttd)
[link] (https://www.ibr.cs.tu-bs.de/vss/Publications/2026/fistanto_26_lost_bytes.pdf) [comments] (https://www.reddit.com/r/programming/comments/1w6hm8j/pdf_lost_bytes_at_the_crossroads_between_user_and/)

Surviving Black Friday: 329 billion requests with Falcon
https://www.reddit.com/r/programming/comments/1wafqim/surviving_black_friday_329_billion_requests_with/

submitted by /u/noteflakes (https://www.reddit.com/user/noteflakes)
[link] (https://www.youtube.com/watch?v=NMruXY3TrpI) [comments] (https://www.reddit.com/r/programming/comments/1wafqim/surviving_black_friday_329_billion_requests_with/)

Swap, memory pressure and the Go GC
https://www.reddit.com/r/programming/comments/1waowcp/swap_memory_pressure_and_the_go_gc/

submitted by /u/andreiross (https://www.reddit.com/user/andreiross)
[link] (https://frn.sh/swap) [comments] (https://www.reddit.com/r/programming/comments/1waowcp/swap_memory_pressure_and_the_go_gc/)

How to Read Server Monitoring Graphs
https://www.reddit.com/r/programming/comments/1war2cw/how_to_read_server_monitoring_graphs/

submitted by /u/kciter (https://www.reddit.com/user/kciter)
[link] (https://kciter.so/posts/server-monitoring-analysis-guide/en/) [comments] (https://www.reddit.com/r/programming/comments/1war2cw/how_to_read_server_monitoring_graphs/)

video on improving performance of arctan for Nintendo 64 by Kaze Emanuar "spent weeks to save 100 Microseconds"
https://www.reddit.com/r/programming/comments/1was1gb/video_on_improving_performance_of_arctan_for/

submitted by /u/danielcw189 (https://www.reddit.com/user/danielcw189)
[link] (https://www.youtube.com/watch?v=U2K44nC8c8g) [comments] (https://www.reddit.com/r/programming/comments/1was1gb/video_on_improving_performance_of_arctan_for/)

What every compiler writer should know about programmers or “Optimization” based on undefined behaviour hurts performance
https://www.reddit.com/r/programming/comments/1waw4mb/what_every_compiler_writer_should_know_about/

submitted by /u/lelanthran (https://www.reddit.com/user/lelanthran)
[link] (https://www.complang.tuwien.ac.at/kps2015/proceedings/KPS_2015_submission_29.pdf) [comments] (https://www.reddit.com/r/programming/comments/1waw4mb/what_every_compiler_writer_should_know_about/)

Not In My Git Yard: Catching Backdoors at Commit and Release Time
https://www.reddit.com/r/programming/comments/1wb9iot/not_in_my_git_yard_catching_backdoors_at_commit/

submitted by /u/mttd (https://www.reddit.com/user/mttd)
[link] (https://arxiv.org/abs/2607.26719) [comments] (https://www.reddit.com/r/programming/comments/1wb9iot/not_in_my_git_yard_catching_backdoors_at_commit/)

Announcing .NET 11 Release Candidate 1 - .NET Blog
https://www.reddit.com/r/programming/comments/1wbb73b/announcing_net_11_release_candidate_1_net_blog/

submitted by /u/Atulin (https://www.reddit.com/user/Atulin)
[link] (https://devblogs.microsoft.com/dotnet/dotnet-11-rc-1/) [comments] (https://www.reddit.com/r/programming/comments/1wbb73b/announcing_net_11_release_candidate_1_net_blog/)

Diskless Kafka: Object Storage, KIP-1150, and Kafka’s Future
https://www.reddit.com/r/programming/comments/1wbfz9o/diskless_kafka_object_storage_kip1150_and_kafkas/

submitted by /u/mmatloka (https://www.reddit.com/user/mmatloka)
[link] (https://softwaremill.com/diskless-kafka-object-storage-kip-1150-and-kafkas-future/) [comments] (https://www.reddit.com/r/programming/comments/1wbfz9o/diskless_kafka_object_storage_kip1150_and_kafkas/)

Compute Polynomials Twice as Fast
https://www.reddit.com/r/programming/comments/1wbgcke/compute_polynomials_twice_as_fast/

submitted by /u/thomasahle (https://www.reddit.com/user/thomasahle)
[link] (https://thomasahle.com/fast-polynomials/) [comments] (https://www.reddit.com/r/programming/comments/1wbgcke/compute_polynomials_twice_as_fast/)

I spend a stupid amount of time on an issue I only half-care about. Now I will foist it on all of you! Enjoy :P
https://www.reddit.com/r/programming/comments/1wbhjda/i_spend_a_stupid_amount_of_time_on_an_issue_i/

submitted by /u/GetAGripGal (https://www.reddit.com/user/GetAGripGal)
[link] (https://arewetauyet.dev/) [comments] (https://www.reddit.com/r/programming/comments/1wbhjda/i_spend_a_stupid_amount_of_time_on_an_issue_i/)

Asteroids in 9 different programming languages
https://www.reddit.com/r/programming/comments/1wbjaju/asteroids_in_9_different_programming_languages/

<!-- SC_OFF -->The languages used: C, C3, C++, D (Dlang), Go (Golang), Odin, Rust, V (Vlang), Zig <!-- SC_ON --> submitted by /u/waozen (https://www.reddit.com/user/waozen)
[link] (https://youtu.be/ftMJNx6hDrE) [comments] (https://www.reddit.com/r/programming/comments/1wbjaju/asteroids_in_9_different_programming_languages/)

Introducing CUDA Rust: Two Tracks for Writing GPU Kernels
https://www.reddit.com/r/programming/comments/1wblvwx/introducing_cuda_rust_two_tracks_for_writing_gpu/

submitted by /u/unixmachine (https://www.reddit.com/user/unixmachine)
[link] (https://developer.nvidia.com/blog/introducing-cuda-rust-two-tracks-for-writing-gpu-kernels/) [comments] (https://www.reddit.com/r/programming/comments/1wblvwx/introducing_cuda_rust_two_tracks_for_writing_gpu/)

Edward Patel - 6502 Nostalgia
https://www.reddit.com/r/programming/comments/1wbo5h1/edward_patel_6502_nostalgia/

<!-- SC_OFF -->A journey from the Visual6502 project to a real, fully assembled board, and the debugging adventures required to make it actually work. <!-- SC_ON --> submitted by /u/_a4z (https://www.reddit.com/user/_a4z)
[link] (https://www.youtube.com/watch?v=eydE_Aa-0KE) [comments] (https://www.reddit.com/r/programming/comments/1wbo5h1/edward_patel_6502_nostalgia/)

Implementation of GCC's Nested Functions (vs. C++ Lambdas)
https://www.reddit.com/r/programming/comments/1wboyhf/implementation_of_gccs_nested_functions_vs_c/

submitted by /u/lelanthran (https://www.reddit.com/user/lelanthran)
[link] (https://uecker.codeberg.page/2026-09-05.html) [comments] (https://www.reddit.com/r/programming/comments/1wboyhf/implementation_of_gccs_nested_functions_vs_c/)

Every Millisecond Counts
https://www.reddit.com/r/programming/comments/1wbplpd/every_millisecond_counts/

submitted by /u/jrdi_ (https://www.reddit.com/user/jrdi_)
[link] (https://jordivillar.com/blog/every-millisecond-counts) [comments] (https://www.reddit.com/r/programming/comments/1wbplpd/every_millisecond_counts/)

Optimizing a Spin-Lock
https://www.reddit.com/r/programming/comments/1wbr6an/optimizing_a_spinlock/

submitted by /u/david-alvarez-rosa (https://www.reddit.com/user/david-alvarez-rosa)
[link] (https://david.alvarezrosa.com/posts/optimizing-a-spin-lock/) [comments] (https://www.reddit.com/r/programming/comments/1wbr6an/optimizing_a_spinlock/)