I definitely don't use Arena although I have it on my PC. When you know what you have you'll understand what they mean. As for how each engine will return information to you (2 processores, 4 threads or two cores.) is another story. Well, don't worry - they cannot read different things on your PC! You know you have one processor with two cores (which have two threads each - summing up to 4 thread in common). Some engines (when you click on their exe files in your Windows Explorer) read your PC configuration and return pieces of information, which can be very different at first sight. These can include SSE (Streaming SIMD Extensions) and AVX (Advanced Vector Extensions)." From the abovementioned site when clicking on "Instruction Set Extensions" for your processor (SSE4.2): "Instruction Set Extensions are additional instructions which can increase performance when the same operations are performed on multiple data objects. (Suppose, the case with Protector is the same.)Īnyway, it seems your processor is a "modern" one and supports all SSE., AVX and so on versions of the engines. As for Strelka 6, I'm sure this engine doesn't have parameters (it's a raw version of Houdini, after all), so it cannot return you even a single piece of information. I never used Protector, so I can tell you nothing about it. I see you have black screens when you click on Strelka 6 x32 and Protector 圆4 only. Pointng your mouse on "# of Cores" or "# of Threads" and so on.there and clicking on them you can see the definitions, such as: "A Thread, or thread of execution, is a software term for the basic ordered sequence of instructions that can be passed through or processed by a single CPU core."Īlthouh the language is somewhat technical, you have to browse through most of these categories in order to be able to explain for yourself all unclear points you have up to now. For example, look at the processor you have: Intel(R) Core(TM) i3 CPU 540 3.07GHz Michael, most of the questions can be answered by Uncle Google. Well, well, well - too many questions, indeed! Thanks for the POPCYNT info! I couldn't find precisely that online either! How did you acquire your knowledge? Probably not chiefly by googling! I think you are a 'natural'. For example, I understand that when Robbolito's black screen says '4 CPUs found, using 4 threads' it means '4 threads found', but should I be changing this via the black screen (then saving that engine somehow)? I can't find anything on this, nor on how to load two engines simultaneously in Arena to analyse the same position. So I may be slow but what I still don't get is how I can change an engine's 'thread' (or other) parameters except by doing it within the GUI. I am a little worried we may be talking at 'cross purposes'!? Sure, Arena can give troubles but the point is I am perverse! - I actually enjoy the challenge of getting the best from engines in Arena and WinBoard and the 'learning' that goes with it! I am actually a good 'googler' (my work requires it!) but there's very little good online help with these things (and Arena's help file is useless!). I'm sure there are other ways, too.but first start with this one! Under Engine/Manage/Select there is a box called "loaded engines" - load two of your engines (from the right box with the installed engines -> to the left one) and press "Start" button on the down left side! This feature distinguish the new "modern" processors from the old ones.Īs for how to run two engines simultaneously in your Arena GUI: 1. joining the other thread of the core to prolong the analysis. After stopping your activity, the thread you use for your browsing will return to its usual job - i.e. Still, you can click with your mouse and browse whatever you want on your PC - it won't freeze because every core has two threads and one of this threads will handle your new activity (for example, opening Internet Explorer and so on) for a moment, while the other thread will keep running the analysis of the engine. So you can install two engines (they'll use one core each) and run them one after another in the GUI to analyse a certain position. This way the GUI tells the engine (when installing) that this engine will use one processor core only (when running under this GUI). CPU Cores Setting" with value "1" (in my case). Under the Arena menu Engine/Manage/UCI there is an option "Common max. I had to run Arena 3.5 GUI in order to be able to answer your questions.īlack screens, after double-clicking on the engine-exe file in your Windows Explorer, are only for receiving information about the engine - whether it is recognized by your PC and if this engine will run on your PC, who is the author, what does this engine recognize about your computer configuration and so on.Īll your parameters' changing has to be done on the settings' menu of the GUI.
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