![]() ![]() if i run one project or the other, i have no problem maintaining a work buffer. to be specific, i like to run on my HD 6950 and on my HD 5870. PS - just in case anyone was wondering why i feel its necessary, i'm having some minor side effects to running separate projects on separate GPUs on the same host. at any rate, i don't know how many of you have experience with trying to do this, but any help would be appreciated. ![]() I don't understand exactly what that means, but note the two separate instances of BOINC clients running in the system tray, and although you can't see it in the screen shot, there are two BOINC managers s just that one is directly overlaying the other. when i launch a second BOINC manager, select "localhost:9999," and enter my password, i get the following error: well i'm having a problem right at the end of step 5. if the "attach to project" window/wizard appears, then everything is working and ready to go. in the advanced menu of the BOINC manager, select "launch another BOINC manager." in the data fields that appears, select localhost:9999 (or enter it if it doesn't appear in the drop down box), and enter the password. (do not break it, as running the second instance of BOINC requires it to be open for port communication).ĥ) run boinc.exe (which will open to the first BOINC installation by default). basically, it tells you to do the following:ġ) create a secondary BOINC data directory using a name and a location of your liking (i chose g:\ProgramData\BOINC_2 as the name/location of my other BOINC data directory).Ģ) using the command prompt, enter c:\Program Files\BOINC\boinc.exe allow_multiple_clients dir g:\ProgramData\BOINC_2, which causes BOINC to place all the necessary files in this directory (hit ctrl c to break it).ģ) open the gui_rpc_auth.cfg in the new BOINC data directory and change the password to something easy to remember.Ĥ) using the command prompt, enter c:\Program Files\BOINC\boinc.exe allow_multiple_clients dir g:\ProgramData\BOINC_2 gui_rpc_port 9999, which i guess tells the second BOINC client to communicate w/ the second BOINC manager over port 9999. i've been following the instructions laid out in Vyper's Blog, which i'm sure some of you might already be familiar with. The construction of EmBOINC with one server does not make it possible to investigate solutions in which more than one BOINC server is available, and clients could self-organize and cluster to diverse servers.Like the title says, i would like to know how to run multiple instances of the BOINC client on the same host. Therefore, network transmission protocols are not necessarily used, the channel is always reliable (although there are failure models targeted at the BOINC clients), and, hence, the impact of transmission protocols is not translated into the simulation results.įurthermore, the presence of the emulator requires presence of several additional software, such as a database manager and webserver, and limits the number of different architectures in which EmBOINC for QCN can run. Moreover, in EmBOINC for QCN, communication between the clients and the emulated server is done in a high level way, e.g., via direct calling of PHP commands. However, task scheduling, basically, is non-existent for the QCN project, since no scientific processing is done in the work units downloaded by the clients. The presence of the BOINC server emulator allows for precise simulation of task scheduling and service time duration, and simulation of the communication between hosts and server. Still, there might be ways to safeguard equipment, turn off computers or divert networks, in which the QCN can become a key part. By its nature, when an earthquake on land is detected, there are not enough seconds to provide an effective alarm or take precautionary measures to safeguard populations. By receiving potentially several hundreds of measurements from sensors spread over an area, the BOINC server can analyze and identify the macroscopic earthquake phenomena. ![]() In the presence of relevant signals from the accelerometer sensor, the hosts sends frequent messages to the BOINC server with its measurements and other data. The hosts maintain sporadic connection with the appropriate BOINC server. The hosts register to the QCN network with their current geographical position. Each host has an “earthquake” sensor, which is, in essence, a low-cost device with three accelerometers and a compass, connected to the host computer via USB port. The QCN network ( ) consists of volunteer computers (identified, in this document, as “hosts” or BOINC “clients”) connected to the BOINC network of volunteer computing projects. ![]()
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