목록전체 글 (154)

Why should I know this?

GLM5.2-xhigh, DeepSeek4-pro-xhigh 기록

Prompt:issue_206909_scalar_splat_masked_store_formula.md이 문서에서 다루는 최적화 패턴에 대해 이해 및 검증하고, 응용해서 새로운 최적화 가능성이 있는 패턴을 제시해봐 결과GLM-5.2-xhigh DeepSeek4-pro-xhigh HY3 Mimo v2.5 pro-xhigh
카테고리 없음 2026. 7. 8. 23:36
MLIR 를 각 CPU/GPU Backend로 컴파일 하는 과정(명령어)

1. LLVM MLIR 과 BACKEND 포함 컴파일cmake -G Ninja -S llvm -B /home/m/MLIR \ -DCMAKE_BUILD_TYPE=Release \ -DLLVM_ENABLE_ASSERTIONS=ON \ -DLLVM_ENABLE_PROJECTS="clang;mlir" \ -DLLVM_TARGETS_TO_BUILD="X86;AArch64;RISCV;AMDGPU;NVPTX" \ -DLLVM_BUILD_TESTS=ON \ -DMLIR_INCLUDE_TESTS=ON AMDGPU = AMD, NVPTX=NVIDIA MLIR 을 빌드 후 BACKEND 결과를 만들고 성능 측정하는 과정 설명 예시 MLIR:// cmul.mlirmodule { func.func @comple..
LLVM-STUDY 2026. 5. 11. 17:32
AFFINE 연산에 대한 설명

Study 2026. 4. 27. 16:11
이해할 능력이 안되는 Legalize 이슈

https://github.com/llvm/llvm-project/issues/190773#event-24751520769 [WebAssembly] Type legalization can form cycles when re-promoting SIMD f16 compare masks · Issue #190773 · llvm/llvm-projectSummary When compiling SIMD f16 vector compares for WebAssembly, SelectionDAG type legalization can enter a non-converging/cyclic legalization path. The problem seems to happen when a v4f16 compare...githu..
LLVM-STUDY/BACKEND 2026. 4. 23. 14:01
키핑이슈

https://github.com/llvm/llvm-project/pull/191210 [DSE] Refine mayThrowBetween for cross-BB dead store checks by ParkHanbum · Pull Request #191210 · llvm/llvm-projectmayThrowBetween() currently bails out for cross-BB cases if any unmodeled throwing block exists in the function, which is overly conservative and can block valid DSE. Handle same-BB cases by scanni...github.com 기존의 이슈는, DSE 과정에서 kill..
LLVM-STUDY 2026. 4. 20. 16:54
Backend 이슈, DAG 와 Legalize 중 어느쪽을 선택해야 하는가?

https://github.com/llvm/llvm-project/issues/186572 [X86][AVX10.2] Optimize FP_TO_INT_SAT for non-standard saturation widths to avoid generic expansion penalty · Issue #186572 ·Background & Problem When lowering fp_to_sint_sat or fp_to_uint_sat with a non-standard saturation width (e.g., i24, i48) that does not perfectly match the destination width, the standard fallback ...github.com 이번에 얘기하고 싶..
LLVM-STUDY/BACKEND 2026. 3. 16. 14:33
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