Craig Donner 66316b9f4c Improve performance of GEMM for small matrices when SMP is defined. ...

Always checking num_cpu_avail() regardless of whether threading will actually
be used adds noticeable overhead for small matrices.  Most other uses of
num_cpu_avail() do so only if threading will be used, so do the same here.

2018-06-07 15:29:13 +01:00

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