Le 15.06.2010 11:56, Kurosu a écrit : > ----- Matthieu Fertré <matthieu.fer...@free.fr> a écrit : > >> Maybe with some optimizations we can have about 20/25 fps. >> > btw, here's the oprofile report for a x86 target (oprofile unavailable on a > real arm target): > 2578 11.3189 wormux Surface::MergeSurface(Surface&, > Vector2<int> const&) > 2057 9.0314 wormux PhysicalObj::GetYDouble() const > 1782 7.8240 wormux PhysicalObj::GetXDouble() const > 1153 5.0623 wormux PhysicalObj::GetX() const > 1107 4.8604 wormux PhysicalObj::GetY() const > 1035 4.5443 wormux Member::ApplyMovement(member_mvt > const&, std::vector<c_junction*, std::allocator<c_junction*> >&) > 915 4.0174 wormux GetObjectAt(Vector2<int> const&) > 867 3.8066 wormux Tile::GetAlpha(Vector2<int> > const&) const > 821 3.6047 wormux > PhysicalObj::CollidedObjectXY(Vector2<int> const&) const > 751 3.2973 wormux fixedpoint::fixsqrt16(long long) > > Another run after changing PIXEL_PER_METER to int32_t: > 7906 23.1400 wormux Surface::MergeSurface(Surface&, > Vector2<int> const&) > 2786 8.1543 wormux PhysicalObj::GetYDouble() const > 2255 6.6001 wormux PhysicalObj::GetXDouble() const > 1436 4.2030 wormux PhysicalObj::GetX() const > 1390 4.0684 wormux PhysicalObj::GetY() const > 1168 3.4186 wormux Member::ApplyMovement(member_mvt > const&, std::vector<c_junction*, std::allocator<c_junction*> >&) > 1131 3.3103 wormux Tile::GetAlpha(Vector2<int> > const&) const > 1092 3.1962 wormux > PhysicalObj::CollidedObjectXY(Vector2<int> const&) const > 1065 3.1171 wormux GetObjectAt(Vector2<int> const&) > 916 2.6810 wormux fixedpoint::fixsqrt16(long long) > > It doesn't seem the special alpha case occurs that often (very obvious > optimization: use only integer math scaled by say 1<<8 or 1<<16). I can't get > proper annotation for it, so I don't know exactly how this time is wasted. It > doesn't seem to be the lock. >
Could you detail what are the numbers in the columns 1 and 2 ? I've heard several times that Member::ApplyMovement() was very costly, we probably must improve it. About other functions, without the meaning of the columns, ... Regards, Matt (gentildemon) > Best regards, > Christophe > > _______________________________________________ > Wormux-dev mailing list > Wormux-dev@gna.org > https://mail.gna.org/listinfo/wormux-dev > _______________________________________________ Wormux-dev mailing list Wormux-dev@gna.org https://mail.gna.org/listinfo/wormux-dev
