error: no suitable user-defined conversion from "half" to "nv_bfloat16" exists #493

xiaoshizijiayou · 2024-10-09T07:03:40Z

fastllm/src/devices/cuda/fastllm-cuda.cu(485): error: no suitable user-defined conversion from "__half" to "__nv_bfloat16" exists
b[idx] = __hmul(__hdiv(x, __hadd(__float2half(1.0), hexp(-x))), y);
拉取最新的代码，编译报这个错，之前编译的时候没遇到过，如何解决？

-DCUDA_NO_TENSOR_CORE=ON，编译的时候加上这个参数不报错了，这个参数有什么作用，请解释下

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error: no suitable user-defined conversion from "half" to "nv_bfloat16" exists #493

error: no suitable user-defined conversion from "half" to "nv_bfloat16" exists #493

xiaoshizijiayou commented Oct 9, 2024 •

edited

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error: no suitable user-defined conversion from "__half" to "__nv_bfloat16" exists #493

error: no suitable user-defined conversion from "__half" to "__nv_bfloat16" exists #493

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xiaoshizijiayou commented Oct 9, 2024 • edited Loading

error: no suitable user-defined conversion from "half" to "nv_bfloat16" exists #493

error: no suitable user-defined conversion from "half" to "nv_bfloat16" exists #493

xiaoshizijiayou commented Oct 9, 2024 •

edited

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