BLAS StandardOpenBLASIntel MKLcuBLASNumKongHardwareAny CPU via Fortran15 CPU archs, 51% assemblyx86 only, SSE through AMXNVIDIA GPUs only20 backends: x86, Arm, RISC-V, WASMTypesf32, f64, complex+ 55 bf16 GEMM files+ bf16 & f16 GEMM+ f16, i8, mini-floats on Hopper+16 types, f64 down to u1Precisiondsdot is the only widening opdsdot is the only widening opdsdot, bf16 & f16 → f32 GEMMConfigurable accumulation typeAuto-widening, Neumaier, Dot2OperationsVector, mat-vec, GEMM58% is GEMM & TRSM+ Batched bf16 & f16 GEMMGEMM + fused epiloguesVector, GEMM, & specializedMemoryCaller-owned, repacks insideHidden mmap, repacks insideHidden allocations, + packed variantsDevice memory, repacks or LtMatmulNo implicit allocationsTensors in C++23#Consider a common LLM inference task: you have Float32 attention weights and need to L2-normalize each row, quantize to E5M2 for cheaper storage, then score queries against the quantized index via batched dot products.
研究发现痴呆症的一个不明显风险因素 20:44
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25 марта 2026, 14:12Экономические тенденции
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伊丽莎白·戈罗季谢娃（经济版编辑）
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