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[Octave-bug-tracker] [bug #56752] Performance slowdown from version 3.2.


From: Rik
Subject: [Octave-bug-tracker] [bug #56752] Performance slowdown from version 3.2.4 through to current dev branch
Date: Tue, 17 Sep 2019 14:24:44 -0400 (EDT)
User-agent: Mozilla/5.0 (Windows NT 10.0; WOW64; Trident/7.0; rv:11.0) like Gecko

Follow-up Comment #50, bug #56752 (project octave):

@Carlo: That would be great.  My list of NoAlias usages is


corefcn/cellfun.cc:1944:  NoAlias<Cell> retval;
corefcn/cellfun.cc:2001:  NoAlias<Cell> retval;
corefcn/cellfun.cc:2030:  NoAlias< Array<idx_vector>> ra_idx
corefcn/cellfun.cc:2065:  NoAlias<Cell> retval;
corefcn/cellfun.cc:2480:  NoAlias<Cell> y (x.dims ());
corefcn/data.cc:2725:          NoAlias<Matrix> m (1, ndims);
corefcn/data.cc:7852:  NoAlias< Array<octave_idx_type>> r (rm.dims ());
corefcn/xpow.cc:1195:      NoAlias<NDArray> result (a.dims ());
corefcn/xpow.cc:2504:      NoAlias<FloatNDArray> result (a.dims ());
octave-value/ov-cell.cc:1385:  NoAlias<Cell> c (result_dv);
octave-value/ov-flt-re-mat.cc:741:  NoAlias<FloatNDArray> rr (a.dims ());
octave-value/ov-flt-re-mat.cc:752:          NoAlias<FloatComplexNDArray> rc
(a.dims ());
octave-value/ov-re-mat.cc:868:  NoAlias<NDArray> rr (a.dims ());
octave-value/ov-re-mat.cc:879:          NoAlias<ComplexNDArray> rc (a.dims
());

array/Array.h:886:class NoAlias : public ArrayClass
array/Array.h:890:  NoAlias () : ArrayClass () { }
array/CMatrix.cc:3613:  NoAlias<ComplexMatrix> retval;
array/CRowVector.cc:426:  NoAlias<ComplexRowVector> retval;
array/Sparse.cc:1510:          NoAlias< Array<octave_idx_type>> lidx
(dim_vector (new_nr, new_nc));
array/dMatrix.cc:3005:  NoAlias<Matrix> retval;
array/dRowVector.cc:269:  NoAlias<RowVector> retval;
array/fCMatrix.cc:3644:  NoAlias<FloatComplexMatrix> retval;
array/fCRowVector.cc:428:  NoAlias<FloatComplexRowVector> retval;
array/fMatrix.cc:3011:  NoAlias<FloatMatrix> retval;
array/fRowVector.cc:269:  NoAlias<FloatRowVector> retval;




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