воскресенье, 30 марта 2025 г.

ptx instructions emitting by nvidia compiler

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I recently became curious what exactly ptx instructions can produce nvidia compiler - like if it uses something totally undocumented or vic...
среда, 26 марта 2025 г.

nvidia sass disassembler, part 5

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Previous parts: 1 , 2 , 3 & 4 I've finally add native rendering for instructions - actually just rewrite from perl terrible functio...
пятница, 21 марта 2025 г.

nvidia sass disassembler, part 4

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I've made native sass disasm - just adding c++ codegen (can be produced by ead.pl with -C option). It works via dynamic loading of r...
пятница, 14 марта 2025 г.

nvidia sass disassembler, part 3

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It looks like this rabbit hole goes much deeper Some const banks does not have  ConstBankAddressX: CX:Sb[UniformRegister:URb][UImm(16)*:Sb_...
понедельник, 10 марта 2025 г.

nvidia sass disassembler, part 2

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Lets continue explore "machine descriptions " - in this time try to understand how to make format output more similar to genuine ...
четверг, 6 марта 2025 г.

nvidia sass disassembler

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Couple weeks ago I made decryptor to extract from nvdisasm so called "machine descriptions " (MD) (btw nvdisasm v12 uses lz4 co...
понедельник, 24 февраля 2025 г.

ptx internals

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It seems that syntax of PTX is undocumented - at least I was unable to find actual BNF grammar or reference implementation. Grammar from an...