triton-ascend-case-elemwise-zeros

Optimize small-shape elementwise tensor creation on Ascend by reducing kernel launches.

6|1|Updated Apr 19, 2026
One-click install
npx skills add https://github.com/xchang1121/AutoResearch-CC-hook --skill triton-ascend-case-elemwise-zeros
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: triton-ascend-case-elemwise-zeros
Source: https://github.com/xchang1121/AutoResearch-CC-hook/tree/main/skills/triton-ascend/cases/triton-ascend-case-elemwise-zeros
Command: npx skills add https://github.com/xchang1121/AutoResearch-CC-hook --skill triton-ascend-case-elemwise-zeros

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

小shape张量创建(zeros/arange/full)优化:通过减少核数避免多核启动和调度开销,单核处理性能优于多核并行,适用于shape较小(千级元素)的elementwise创建张量场景

Core Features & Use Cases

  • 操作类型:elemwise 创建张量(zeros、arange、full 等)
  • 数据尺寸:小型张量,如 2×256×16,float32
  • 优化点:通过调整 BLOCK_SIZE,降低核启动成本,实现单核优于多核并行
  • 使用场景:Ascend 平台的轻量级张量创建路径,尤其在性能敏感的场景中

Quick Start

Run the provided zeros kernel example with a small input to observe reduced kernel launches.

Frequently Asked Questions about triton-ascend-case-elemwise-zeros

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I optimize small-shape tensor creation on Ascend to reduce kernel launch overhead?

Optimizing small-shape tensor creation on Ascend involves configuring a Triton kernel with a specific BLOCK_SIZE to execute on a single core, reducing kernel launch overhead and outperforming multi-core parallelism for small elementwise tensors.

Why does single-core execution outperform multi-core parallelism for small elementwise tensors on Ascend?

Single-core execution outperforms multi-core parallelism for small elementwise tensors on Ascend because the scheduling and launch overhead of multiple cores exceeds the compute time, making single-core processing faster for small shapes like 2×256×16.

Can I use Triton to optimize elementwise zeros and arange operations for small float32 tensors?

Yes, you can use a Triton-based kernel to optimize elementwise zeros and arange operations for small float32 tensors by tuning BLOCK_SIZE to control parallelism and minimize kernel launch costs on Ascend hardware.

What are the limitations of using single-core kernel optimization for small-shape tensors?

The limitation of single-core kernel optimization for small-shape tensors is that it only applies to elementwise zeros, arange, or full patterns with small shapes like 2×256×16; large tensors still require multi-core parallelism for optimal performance.

What is the best way to configure BLOCK_SIZE for elementwise tensor creation on Ascend?

The best way to configure BLOCK_SIZE for elementwise tensor creation on Ascend is to adjust the parameter within your Triton kernel to control parallelism, ensuring single-core execution minimizes kernel-launch overhead for small elementwise patterns.