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Vent pump efficiency

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- Tweaked the pressure delta check to "> 0.5", so pumps will stop transferring minor volumes of air every tick (because a delta of 3.05176e-005 is still greater than 0). This also reduces the calls to gas_mixture/merge() and gas_mixture/remove() significantly once the air in the environment has equalized.

The results after running the game for 10 minutes:
```
Proc Name												Self CPU	Total CPU	Real Time	Calls
/obj/machinery/atmospherics/unary/vent_pump/process		0.035		0.141		0.141		3808	<- before
/obj/machinery/atmospherics/unary/vent_pump/process		0.014		0.042		0.043		3808	<- after
```
This commit is contained in:
Loganbacca
2014-02-18 16:16:10 +13:00
parent eb593a628f
commit 42946bd2ad
1 changed files with 2 additions and 2 deletions
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4
code/ATMOSPHERICS/components/unary/vent_pump.dm
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@@ -100,7 +100,7 @@
if(pressure_checks&2)
pressure_delta = min(pressure_delta, (air_contents.return_pressure() - internal_pressure_bound))
if(pressure_delta > 0)
if(pressure_delta > 0.5)
if(air_contents.temperature > 0)
var/transfer_moles = pressure_delta*environment.volume/(air_contents.temperature * R_IDEAL_GAS_EQUATION)
@@ -118,7 +118,7 @@
if(pressure_checks&2)
pressure_delta = min(pressure_delta, (internal_pressure_bound - air_contents.return_pressure()))
if(pressure_delta > 0)
if(pressure_delta > 0.5)
if(environment.temperature > 0)
var/transfer_moles = pressure_delta*air_contents.volume/(environment.temperature * R_IDEAL_GAS_EQUATION)