Merge pull request #10 from eseiler/fix/less_filehandles

[FIX] Reduce number of concurrently open files
seqan · Oct 12, 2020 · 6f2a0cc · 6f2a0cc
2 parents c01c996 + 49c23f2
commit 6f2a0cc
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -0,0 +1,5 @@
+# 1.0.1
+
+## Bug fixes
+
+* Reduced the number of open file handles ([\#10](https://github.com/seqan/raptor/pull/10))
diff --git a/src/raptor_build.cpp b/src/raptor_build.cpp
@@ -17,11 +17,10 @@ struct ibf_builder
     {
         using sequence_file_t = seqan3::sequence_file_input<dna4_traits, seqan3::fields<seqan3::field::seq>>;
 
-        std::vector<sequence_file_t> technical_bins;
-        technical_bins.reserve(arguments->bins);
-
-        for (size_t i = 0; i < arguments->bins; ++i)
-            technical_bins.emplace_back(arguments->bin_path[i]);
+        auto technical_bins = std::views::iota(0u, arguments->bins)
+                            | std::views::transform( [&] (auto const i) {
+                                return sequence_file_t{arguments->bin_path[i]};
+                              });
 
         seqan3::ibf_config cfg{seqan3::bin_count{arguments->bins},
                                seqan3::bin_size{arguments->bits / arguments->parts},