performance-optimization

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#performance-optimization

@RealYDT: Doing performance optimization with Claude — why does everything keep getting bloated? It's all because everyone immediately asks the AI to "add a cache". Just came across a set of hardcore directives for slowness: force Claude to rewrite in data-oriented (DOD) style — flatten hash tables into arrays, pack hot data into the high bits of indices, convert AoS to SoA …

X AI KOLs Timeline ↗ · 2026-11-02 Cached

The article shares a set of prompt techniques for performance optimization with Claude: rewrite code using data-oriented design (DOD), flatten hash tables into arrays, replace pointers with array indices, convert AoS to SoA, and even delete all caches entirely — to truly squeeze hardware performance instead of using caches to mask slow designs.

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#performance-optimization

7900xtx got speedup

Reddit r/LocalLLaMA ↗ · 2026-11-01

A GitHub repo shared by a user shows a notable inference speedup for running Qwen3.8 27B locally on the AMD Radeon RX 7900 XTX GPU.

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#performance-optimization

@akshay_pachaar: Massive breakthrough in speculative decoding! It made a 9B LLM on my MacBook 4x faster, and 2.6x faster than regular sp…

X AI KOLs Timeline ↗ · 2026-10-30 Cached

TryMirai open-sourced uzu, an Apple Silicon inference engine, featuring Weaver + DFlash speculative decoding that makes a 9B LLM (Qwen3.5) 4x faster locally and 2.6x faster than standard speculative decoding.

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#performance-optimization

@NVIDIARTXSpark: Want more tokens per second on your NVIDIA DGX Spark? Explore three techniques to accelerate MoE inference, from optimi…

X AI KOLs Following ↗ · 2026-10-29 Cached

@NVIDIARTXSpark shares three techniques to accelerate Mixture-of-Experts (MoE) inference on the NVIDIA DGX Spark, covering optimized kernels, FP8 quantization, and multi-token prediction to boost tokens per second.

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#performance-optimization

Solving Postgres' Count Problem

Hacker News Top ↗ · 2026-10-28 Cached

ParadeDB details how segment partitioning (based on the Spooky LSM compaction paper) and other optimizations dramatically sped up COUNT queries and filtered, sorted searches—up to 66x faster than before—on Postgres-based search workloads.

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#performance-optimization

@PyTorch: TorchTitan has released major performance and architecture updates in native PyTorch, adding full 5D parallelism suppor…

X AI KOLs Following ↗ · 2026-10-21 Cached

TorchTitan 发布重大性能与架构更新,新增对 DeepSeek-V4、Qwen3.5、Kimi K3、Muse Spark Open 等 SOTA 模型的完整 5D 并行支持,并推出统一后训练与智能体工作负载的 TitanRL 框架,FlexShard 与 torch_checkpointing 大幅提升大规模训练效率。

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#performance-optimization

Oblivion Remastered Mod Built Using Claude AI Boosts FPS By Over 40% And Drastically Reduces Stuttering Without Sacrificing Visual Quality

Reddit r/singularity ↗ · 2026-10-21 Cached

A Reddit user created an open-source Oblivion Remastered performance mod with the help of Anthropic's Claude AI, delivering 40+ engine-level optimizations that boost FPS by over 40% and greatly reduce stuttering without any visual trade-offs.

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#performance-optimization

Amazing free 3090 speedup hack, verified works 15% PP, 5% TG for free

Reddit r/LocalLLaMA ↗ · 2026-10-21 Cached

gpu-unlock 1.0.0 发布候选版是一个 Linux 内核模块,通过在 NVIDIA 驱动绑定前解锁 RTX 3090 的 BF16 全速档位,免费实现约 15% 的 prompt processing 与 5% 的 token generation 提速,无需修改驱动或 UEFI。

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#performance-optimization

Profiling TorchNeuron (Part 1): System-level profiling on AWS Trainium.

Hugging Face Blog ↗ · 2026-10-21 Cached

Part 1 of Amazon's tutorial series on profiling TorchNeuron workloads on AWS Trainium, covering how to configure torch.profiler with the Neuron backend, read key_averages() output, and trace operations through Neuron Explorer.

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#performance-optimization

Making dns_erlang Fast: Binary Tricks for the BEAM

Lobsters Hottest ↗ · 2026-10-19 Cached

DNSimple 详细介绍了他们如何通过纯 BEAM 二进制处理技巧重写开源 DNS 库 dns_erlang 的热路径,在无需 NIF 或 C 代码的情况下实现每次查询 CPU 降低 12%、每秒查询量提升 14%。

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#performance-optimization

Integer to String Conversion (2014)

Hacker News Top ↗ · 2026-10-18 Cached

A 2014 blog post by L. Pereira exploring increasingly optimized ways to convert integers to strings in C, comparing naive division-based approaches, an in-place reverse-free variant used in Lwan, and Facebook's pair-of-digits lookup table trick that roughly halves the number of divisions for a ~31% speedup.

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#performance-optimization

@JiaZhihao: What if formal verification could make GPU kernels both safer and faster? Introducing SentryWard, an open-source formal…

X AI KOLs Timeline ↗ · 2026-10-16 Cached

介绍 SentryWard:一个开源的 GPU kernel 形式化验证工具,可证明同步安全、无数据竞争与资源生命周期正确性,并通过系统性移除冗余同步使 NVIDIA B200 上的 kernel 最快提速 1.4 倍。

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#performance-optimization

Accelerating the Zig Tokenizer (with AVX-512)

Lobsters Hottest ↗ · 2026-10-13 Cached

Niles Salter’s talk introduces how to use SIMD data parallelism and bit manipulation primitives (CTZ, TZCNT, etc.) to accelerate a Zig tokenizer, achieving a throughput of 820 MB/s, and explores the potential for further speedups with AVX-512.

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#performance-optimization

A slightly faster slimmer curl

Lobsters Hottest ↗ · 2026-10-13 Cached

curl 8.23.0 引入多项性能优化,包括 base64 编解码、URL 编解码、日期和数字解析提速,以及约 40% 的结构体内存缩减和更少的内存分配。

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#performance-optimization

Speeding up the Unreal editor by… not using unnecessarily secure hash methods

Lobsters Hottest ↗ · 2026-10-12 Cached

一篇工程博客分享了如何通过将 Unreal 编辑器着色器哈希从缓慢的 SHA1 替换为引擎内已有的 xxHash,从而加速编辑器启动与资产处理。文章强调应避开已被高度优化的代码路径,转而寻找被忽视的低垂果实。

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#performance-optimization

@yibie: strata-mlx update: ・Long conversations interrupted by other requests no longer reread. For a 10,000 token conversation, the time to output the first character in the next round drops from 19.7 seconds to 0.26 seconds (M4 Max, requires adding --conversation-cache-mib)

X AI KOLs Timeline ↗ · 2026-10-12 Cached

strata-mlx update: interrupted long conversations no longer get reread — time to first character for a 10K-token session drops from 19.7s to 0.26s (M4 Max), and memory management on 32 GB Macs is optimized to avoid swap. The project is an Apple Silicon MLX inference engine for running 125B MoE models like Qwen3.8-Flash-Next, with throughput significantly better than llama.cpp and LM Studio.

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#performance-optimization

strix-llama new branch: prompt processing +21–54% over Vulkan and up to 2.7× over stock ROCm kernel at 128k, same outputs quality

Reddit r/LocalLLaMA ↗ · 2026-10-12

rdna35-perf branch of strix-llama.cpp 为 Strix Halo (Radeon 8060S) 带来新的 RDNA3.5 flash attention 与 GEMM 内核优化,prompt processing 比 Vulkan 快 21–54%,在 128k 长上下文下比原版 ROCm 最快达 2.7 倍,且输出质量与原版 ROCm 基本一致。

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#performance-optimization

@no_stp_on_snek: Spent the last few days helping @Italianclownz speed up ROCmFPX, his llama.cpp fork, on a borrowed Strix Halo (Ryzen AI…

X AI KOLs Following ↗ · 2026-10-11 Cached

Developer helped speed up ROCmFPX, a llama.cpp fork, on AMD Strix Halo (Ryzen AI Max+ 395), achieving major prefill and decode speedups with 16 merged PRs and improved quantization accuracy.

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#performance-optimization

Reminder: try probabilistic MTP if you missed it. Decode +14% on prose

Reddit r/LocalLLaMA ↗ · 2026-10-11

提醒用户尝试 llama.cpp 中新合并的概率式 MTP(多 token 预测)功能,在散文生成场景下解码速度提升约 14%,最优 draft-n-max / draft-p-min 参数与贪心采样基本一致。

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#performance-optimization

Making np.searchsorted up to 25× Faster in NumPy 2.5

Lobsters Hottest ↗ · 2026-10-10 Cached

NumPy 2.5 introduces a vectorized implementation of np.searchsorted that achieves up to 25× speedup using batching and cache-friendly techniques, benefiting the broader Python scientific ecosystem including SciPy and scikit-learn.

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