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CUDA: fix __builtin_assume for CUDA < 11.2 #2669

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CUDA: fix __builtin_assume for CUDA < 11.2 #2669

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9 changes: 8 additions & 1 deletion ggml-cuda.cu
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Original file line number Diff line number Diff line change
Expand Up @@ -51,7 +51,14 @@ static_assert(sizeof(half) == sizeof(ggml_fp16_t), "wrong fp16 size");
exit(1); \
} \
} while (0)
#endif // CUDART_VERSION >= 11
#endif // CUDART_VERSION >= 12000

// define nop for old CUDA versions to fix compilation issues
#if CUDART_VERSION < 11020
__device__ void __builtin_assume(bool exp) {
(void) exp;
}
#endif // CUDART_VERSION < 11020

#ifdef GGML_CUDA_F16
typedef half dfloat; // dequantize float
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