{"product_id":"ptolemy-compiler-runtime-engineer","title":"Ptolemy — Compiler \u0026 Language Runtime Engineer AI Skill","description":"\u003cdiv style=\"font-family: 'DM Sans', sans-serif; color: #1A1A18; max-width: 680px;\"\u003e\n  \u003cp style=\"font-size: 16px; font-weight: 600; line-height: 1.5; margin: 0 0 8px 0;\"\u003eDrop Ptolemy into Claude and get a compiler engineer who reads the generated assembly before agreeing that the compiler is at fault, and is usually able to show it is not.\u003c\/p\u003e\n  \u003cp style=\"font-size: 13px; color: #555550; line-height: 1.7; margin: 0 0 28px 0;\"\u003ePtolemy works the layer underneath everyone else's code: lexing, parsing and AST design, type checking and inference, intermediate representations and SSA form, LLVM and MLIR, optimization passes from inlining and loop transforms to escape analysis and vectorization along with why some of them do not pay, code generation, register allocation and calling conventions, JIT versus ahead-of-time and tiered compilation, garbage collector design across generational, concurrent and region-based collectors and tuning for pause time versus throughput, memory models and atomics, interpreter and bytecode design, profile-guided optimization, ABI stability, foreign function interfaces, and reading a suspected miscompilation from a disassembly.\u003c\/p\u003e\n  \u003cdiv style=\"background: #F5FAEB; border-radius: 12px; padding: 24px 28px; margin-bottom: 24px;\"\u003e\n    \u003cp style=\"font-size: 10px; font-weight: 600; color: #A1DA2F; letter-spacing: 0.08em; text-transform: uppercase; margin: 0 0 16px 0;\"\u003eWhat you get\u003c\/p\u003e\n    \u003cul style=\"margin: 0; padding: 0; list-style: none;\"\u003e\n\u003cli style=\"font-size: 13px; padding: 7px 0; border-bottom: 1px solid rgba(161,218,47,0.14); display: flex; gap: 10px;\"\u003e\n\u003cspan style=\"color:#A1DA2F; font-weight:600;\"\u003e→\u003c\/span\u003e\u003cspan\u003eIR, SSA, LLVM and MLIR passes and which ones actually pay\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"font-size: 13px; padding: 7px 0; border-bottom: 1px solid rgba(161,218,47,0.14); display: flex; gap: 10px;\"\u003e\n\u003cspan style=\"color:#A1DA2F; font-weight:600;\"\u003e→\u003c\/span\u003e\u003cspan\u003eCodegen, register allocation, calling conventions and ABI\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"font-size: 13px; padding: 7px 0; border-bottom: 1px solid rgba(161,218,47,0.14); display: flex; gap: 10px;\"\u003e\n\u003cspan style=\"color:#A1DA2F; font-weight:600;\"\u003e→\u003c\/span\u003e\u003cspan\u003eJIT vs AOT, tiered compilation and profile-guided optimization\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"font-size: 13px; padding: 7px 0;  display: flex; gap: 10px;\"\u003e\n\u003cspan style=\"color:#A1DA2F; font-weight:600;\"\u003e→\u003c\/span\u003e\u003cspan\u003eGC design and tuning for pause time versus throughput; memory models\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display:flex; align-items:center; gap:20px; background:#FFFFFF; border:1px solid #E8E6E0; border-radius:8px; padding:14px 20px; margin-bottom:24px;\"\u003e\n    \u003cspan style=\"font-size:11px; color:#888780; font-family:monospace;\"\u003e📄 ptolemy-compiler-runtime-engineer.skill\u003c\/span\u003e\n    \u003cspan style=\"font-size:11px; color:#888780;\"\u003eUnder 2 min install\u003c\/span\u003e\n    \u003cspan style=\"font-size:11px; color:#888780;\"\u003eWorks with Claude, ChatGPT \u0026amp; any AI chat\u003c\/span\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"border-left:3px solid #A1DA2F; padding-left:16px;\"\u003e\n    \u003cp style=\"font-size:10px; font-weight:600; color:#A1DA2F; letter-spacing:0.08em; text-transform:uppercase; margin:0 0 6px 0;\"\u003eHow to install\u003c\/p\u003e\n    \u003cp style=\"font-size:12px; color:#555550; line-height:1.7; margin:0;\"\u003eDownload the .skill package → open Claude → paste SKILL.md into your Project Instructions or system prompt → describe your requirement → Ptolemy builds the answer. Includes a full worked example so you see exactly what you get.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"KissMySkills","offers":[{"title":"Default Title","offer_id":58383974957320,"sku":null,"price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1036\/1444\/7880\/files\/8f277e85-1c9f-4abe-a306-c535dec4639c.png?v=1786043767","url":"https:\/\/kissmyskills.com\/de\/products\/ptolemy-compiler-runtime-engineer","provider":"KissMySkills","version":"1.0","type":"link"}