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update cuda auto csr param #407

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Dec 2, 2019
Merged

update cuda auto csr param #407

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6 changes: 2 additions & 4 deletions include/ginkgo/core/matrix/csr.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -461,12 +461,10 @@ class Csr : public EnableLinOp<Csr<ValueType, IndexType>>,
// if the number of stored elements is larger than <nnz_limit> or
// the maximum number of stored elements per row is larger than
// <row_len_limit>, use load_balance otherwise use classical
// CUDA: nnz_limit = 1e6, row_len_limit = 64
// TODO: need to tune CUDA parameters according to new classical
// strategy
// CUDA: nnz_limit = 1e6, row_len_limit = 1024
// AMD: nnz_limit = 1e8, row_len_limit = 768
index_type nnz_limit = 1e6;
index_type row_len_limit = 64;
index_type row_len_limit = 1024;
#if GINKGO_HIP_PLATFORM_HCC
if (!cuda_strategy_) {
nnz_limit = 1e8;
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