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up2k.js: optimal pipelining

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ed 2024-08-11 21:15:44 +00:00
parent f709140571
commit c862ec1b64
1 changed files with 16 additions and 1 deletions
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17
copyparty/web/up2k.js
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@ -2383,8 +2383,23 @@ function up2k_init(subtle) {
var arr = st.todo.upload, var arr = st.todo.upload,
sort = arr.length && arr[arr.length - 1].nfile > t.n; sort = arr.length && arr[arr.length - 1].nfile > t.n;
if (!t.stitch_sz) {
// keep all connections busy
var bpc = (st.bytes.total - st.bytes.finished) / (parallel_uploads || 1),
ocs = 1024 * 1024,
stp = 1024 * 512,
ccs = ocs;
while (ccs < bpc) {
ocs = ccs;
ccs += stp; if (ccs < bpc) ocs = ccs;
ccs += stp; stp *= 2;
}
ocs = Math.floor(ocs / 1024 / 1024);
t.stitch_sz = Math.min(ocs, stitch_tgt);
}
for (var a = 0; a < t.postlist.length; a++) { for (var a = 0; a < t.postlist.length; a++) {
var nparts = [], tbytes = 0, stitch = stitch_tgt; var nparts = [], tbytes = 0, stitch = t.stitch_sz;
if (t.nojoin && t.nojoin - t.postlist.length < 6) if (t.nojoin && t.nojoin - t.postlist.length < 6)
stitch = 1; stitch = 1;