six cores eight cores 40 cores okay well
maybe not the last one but High CPU core
counts are a major selling point for computers and even other electronics
these days whether you're shopping online or talking to a worker be at your
local Big Box store and the idea behind it is simple higher core counts suggest
more power kind of like impressive
looking horsepower numbers on a car but is this this always the case well if you
like many Techquickie viewers are a PC Gamer you've probably seen advice around
the web or from friends that super high in CPUs with many cores or
hyperthreading on something like a core i7 won't help you much if at all in
games but why is that with the demand
that current titles put on the hardware why are people averse to spending more
on a more powerful C CPU well the answer
lies in a concept called parallelization
which means splitting a program's workload across multiple processing
cores so a computer can work on two different parts of the same load at the
same time for example let's say you want
to know what 5 * 4 * 3 * 2 is a single
core CPU would first multiply 5 * 4 to
get 20 then multiply that time 3 to get 6 60 and so on and so forth however a
dual core CPU could assign 5 * 4 to One
Core and 3 * 2 to the other solve both
problems at the same time and multiply the results together effectively saving
time since it doesn't matter what order
you execute the instructions in since you're just telling the CPU to multiply
numbers this math problem is easy to
parallelize now although this is a painfully simple example it does
illustrate how certain programs can take advantage of multiple CPU cores because
they require lots of number crunching that can be easily split up applications
for video editing encryption file compression and even scientific research
such as weather modeling do lots of calculations that can be parallelized
easily also computer gpus are designed
for parallel Computing since the same idea holds true for rendering 3D
Graphics in a game so you can learn more about that in this video but lion is if
my graphics card is designed for parallel processing why shouldn't I also
be getting a CPU with tons of cores well
the thing is that your GPU often doesn't handle much else other than pushing out
frames to your monitor other important
aspects of games such as artificial intelligence responding to inputs and
telling the GPU what to render are still handled by the CPU because of the
complexity involved in processing things like Ai and other forms of game logic
and the fact that many of these code instructions for these types of things
must be done in a specific order or in
reaction to the gamer they're much harder for programmers to parallelize
and split the workload especially as
many current game engines aren't designed from the groundup to take
advantage of multiple cores that said though your mileage may vary
depending on what game you're playing some games due to variations in the
processes the CPU is handling are more
CPU bound than others and can benefit slightly from additional cores and since
getting games to take advantage of lots of course is a bit of an unsolved
problem in the industry work is ongoing to try to figure out how to make
higher-end games easier to parallelize
which could would ultimately result in cooler more immersive experiences but
for now if you're just using your PC to game getting it anything above I'd say
about a four core is probably Overkill and you're better off focusing your
resources on well getting cores that perform well individually for one thing
and on other components of your system speaking of individual performance do
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Linus so thanks for watching guys if you liked it liked it if you disliked it
dislike it if you want to check out our other channels boom boom cool video on Channel Super Fun right here leave a
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