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Increase the input block size for bgzip. #1768

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Increase the input block size for bgzip. #1768

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4 changes: 4 additions & 0 deletions bgzip.c
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Original file line number Diff line number Diff line change
Expand Up @@ -39,6 +39,7 @@
#include "htslib/bgzf.h"
#include "htslib/hts.h"
#include "htslib/hfile.h"
#include "hfile_internal.h" // for hfile_set_blksize

#ifdef _WIN32
# define WIN32_LEAN_AND_MEAN
Expand Down Expand Up @@ -337,6 +338,9 @@ int main(int argc, char **argv)
return 1;
}

// Increase block size to improve throughput on fast filesystems
hfile_set_blksize(f_src, 256*1024);

if (write_fname) {
if (!exp_out_open) { // only open this file once for writing, close at the end
if ((fp = bgzf_open(write_fname, out_mode)) == NULL) {
Expand Down