workflow-platform-differential-discovery

workflow-platform-differential-discovery is a skill for Claude Code, Codex from sisibeloved/cpython-optimize-skill. It costs 45 tokens per session (370 once invoked), scanned A, original, MIT.

A workflow for finding possible performance improvements by comparing CPython and CinderX code, benchmark results, and differences between processor platforms.

In plain words
What is it for?
Use it to model platform differences, compare benchmark coverage, inspect JIT behaviour, and produce a ranked list of cases for deeper investigation.
Why use it?
It creates evidence-based priorities before detailed optimisation work, so effort goes to the most worthwhile benchmark cases.

Skill for Claude CodeCodex

Part of the cpython-optimize-skill plugin — 35 skills, 9 agents, 2 hooks, 1 MCP server shipped together

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/sisibeloved/cpython-optimize-skill/workflow-platform-differential-discovery
Any agent
npx skills add sisibeloved/cpython-optimize-skill --skill workflow-platform-differential-discovery
Clone the repo
git clone --depth 1 https://github.com/sisibeloved/cpython-optimize-skill

Made for: Claude Code, Codex.

Or install cpython-optimize-skill, the plugin that ships this one along with the rest of its 35 skills, 9 agents, 2 hooks, 1 MCP server.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for workflow-platform-differential-discovery

README.md
[![agentmods](https://agentmods.dev/badge/skills/sisibeloved/cpython-optimize-skill/workflow-platform-differential-discovery.svg)](https://agentmods.dev/skills/sisibeloved/cpython-optimize-skill/workflow-platform-differential-discovery)
Your own site
<a href="https://agentmods.dev/skills/sisibeloved/cpython-optimize-skill/workflow-platform-differential-discovery"><img src="https://agentmods.dev/badge/skills/sisibeloved/cpython-optimize-skill/workflow-platform-differential-discovery.svg" alt="Measured on agentmods" height="20"></a>
Per session 45 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 370 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5 $0.00045 $0.00370
Opus 5 $0.00023 $0.00185
Sonnet 5 $0.00009 $0.00074
Haiku 4.5 $0.00005 $0.00037

Measured 4d ago against content hash 68ecbc75b8bf, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

workflow-platform-differential-discovery scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 4d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

plugins/cpython-optimize-skill/skills/workflow-platform-differential-discovery/SKILL.md · 32 lines

What it actually says

Platform Differential Discovery Workflow

Agent 分派

阶段 Agent 技能
环境确认 cinderx-environment-verifier cinderx-env-validate
平台建模 cinderx-platform-analyst cinderx-isa-microarch-compare
覆盖数据 pyperformance-benchmark-analyst pyperformance-result-compare
JIT 细节 cinderx-jit-analyst cinderx-jit-entry-checkcinderx-hir-lir-analyze
报告 cinderx-platform-analyst cinderx-optimization-report

Gate

先建立 ISA、微架构、perf、benchmark 覆盖矩阵,再进入具体 HIR/LIR。

输出契约

产物是候选用例清单,供深钻 workflow-platform-differential-discovery-deepdive 的阶段 0 选例使用(推荐输入,非强制)。每个候选至少带:

  • 用例名
  • 双平台 wall clock 差距
  • 热度信号
  • 为何值得深钻(一句话)

清单回答"先钻哪个用例",不回答"这个用例怎么优化"——后者交给深钻 workflow 的证据表。不要默认跑三小时全量。

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 4d ago First seen · 32 lines · 45 tokens per session scan A 68ecbc75b8bf

Subscribe to this mod's changes

workflow-platform-differential-discovery is a skill published in the GitHub repository sisibeloved/cpython-optimize-skill (2 stars, last pushed 6d ago), licensed MIT. It adds 45 tokens to every session and 370 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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