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modules/client/sync/rooms/state: Use the viewport size item for iteration depth.

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This commit is contained in:
Jason Volk 2019-09-18 14:48:32 -07:00
parent da6ae72b69
commit 362122c951
1 changed files with 7 additions and 4 deletions
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11
modules/client/sync/rooms/state.cc
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@ -416,9 +416,11 @@ bool
ircd::m::sync::room_state_phased_member_events(data &data,
json::stack::array &array)
{
static const size_t &count
// The number of recent room events we'll seek senders for.
static const size_t &max{24};
const size_t &count
{
20
std::min(size_t(room::events::viewport_size), max)
};
m::room::events it
@ -428,8 +430,9 @@ ircd::m::sync::room_state_phased_member_events(data &data,
// Prefetch the senders of the recent room events
size_t i(0), prefetched(0);
std::array<event::idx, count> event_idx;
for(; it && i < event_idx.size(); --it, ++i)
std::array<event::idx, max> event_idx;
assert(count <= max && count <= event_idx.size());
for(; it && i < count; --it, ++i)
{
event_idx[i] = it.event_idx();
prefetched += m::prefetch(event_idx[i], "sender");