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Is --split-prefix supported? #16

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schorlton opened this issue Apr 4, 2021 · 2 comments
Open

Is --split-prefix supported? #16

schorlton opened this issue Apr 4, 2021 · 2 comments

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@schorlton
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schorlton commented Apr 4, 2021 •
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Hi, I see this option (--split-prefix) remains in the source code but has been removed from the help. --split-prefix is important to retain correct mappings on large indices that get broken into parts: lh3/minimap2#141. Is it supported and functional?

Edit: it appears it works when mapping to a FASTA. However, I also got a segfault when trying to dump the index -d and then map to the dumped index...is this implemented?

Thanks!
@cjain7
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cjain7 commented Apr 5, 2021 •
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--split-prefix is not supported; I can't remember now why I removed this option; but this was probably not compatible with Winnowmap's weighted-minimiser sampling technique.

@schorlton
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OK, thanks! That's rather unfortunate but understandable.

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@schorlton @cjain7