Lets not sell the hide until the bear is shoot... Lets worry about implementation problems once there is a *nix-port to worry about. I think the graphics/gui will be a bigger problem to port.
Any thoughts about porting the GUI? -- Björn > Under nix, I believe that running like this will result in the kernel > penalising the process by dropping it's priority as it is showing up > as a process hog. This isn't good for LH as it may not get the CPU > cycles when it actually needs them. > > 2010/1/4 Christopher Hoover <[email protected]>: >> On 1/3/2010 5:53 PM, [email protected] wrote: >>> >>> It's not an issue, except possibly vis-a-vis battery life in a laptop. >>> >> >> I haven't looked at the source code, but there are other concerns with >> the >> "while (true) { checkStuff(); Sleep(0); }" approach. >> >> According to the TFM, Sleep(0) is effectively a NOP when there are no >> other >> processes at that priorty ("If there are no other threads of equal >> priority >> ready to run, the function returns immediately, and the thread continues >> execution."). >> >> It also follow from the TFM that it will keep lower priority processes >> from >> running at all. >> >> For me, I'm most worried about behavior under virtualization -- this is >> unlikely to play nice under a VM unless you choose a non-work >> conserving >> scheduler (which most people don't choose). > > Are you thinking about running it inside a Windows VM on top of another > OS? > >> I would add that laptops are not the only machines these day that do >> effective power management. This will likely keep your cores out of >> any >> P-states, and the higher power dissipation will keep fans running >> (higher). >> >> As I mentioned off list, a better approach, if it can be made to work >> with >> the current code structure, is select(2) or poll(2) (or one of the newer >> variants) on UN*X.. The equivalent, TTBOMK, for Win32 is >> WaitForMultipleObjects. All of these leave the process unscheduled >> until >> there I/O is available or a timeout occurs. > > Like what he said! > > Steve Rooke > >> -ch >> >> >> >> >> >> >> >> _______________________________________________ >> time-nuts mailing list -- [email protected] >> To unsubscribe, go to >> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >> and follow the instructions there. >> > > > > -- > Steve Rooke - ZL3TUV & G8KVD > A man with one clock knows what time it is; > A man with two clocks is never quite sure. > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
