life used to be so simple when we wanted to know how computer a compared to
computer B all we had to do was look at the little tag under it and if you know
number a was 20% more than number B we knew that give or take computer a was
going to be 20% faster than computer B but then as architectural designs of
different processors diverged and a CPU
that ran at 2 GHz could suddenly be as fast at performing a given real world
task is another one that ran at 3 GHz we needed a new way to measure performance
benchmarks no I'm not talking about those kinds of benchmarks I'm talking
about software programs designed to evaluate the performance of PC
components or complete systems they fall into two main categories the first main
type is synthetic benchmarks examples of these include ID to 64's cach and memory
speed testing module and super pie a small lightweight program that tests how
quickly a processor can calculate pi to
a predetermined number of decimal places now synthetic benchmarks are great for
certain things because their creators are focused on obtaining results with
maximum repeatability a key characteristic of any test that is to be
used for scientific style comparisons and minimal potential bottlenecks
elsewhere in the system to simplify comparisons across different test
benches and prevent a situation where say you're trying to I don't know test
the speed of your shiny new Lightning Fast SSD by copying data from a hard
drive a much slower device in the first place which would make all ssds appear
to perform identically to each other the same speed as a hard drive the problems
with synthetic benchmarks are several though first up is that because they
work to ignore system bottlenecks they often deliver results that don't reflect
the end user's experience because just because one component is getting twice
as fast doesn't mean that the rest of the system improved in any tangible way
and second because benchmarks Run High specialized workloads they are
notoriously misused by Hardware manufacturers who might manipulate their
Hardware or drivers to perform better in Industry standard benchmarks even if
this comes with no day-to-day benefit or even with reduced performance in real
world tasks which leads us to the other main type of benchmarks realworld
benchmarks simple versions of these like cinebench or The Benchmark drop down
built into szip take a predetermined but
otherwise totally real workload in these cases 3D rendering or file compression
and decompression and have the computer process it as fast as possible then spit
out a number to tell you how well it went while more complicated real world
benchmarks often need to be custom developed by PC Hardware Publications
like aanch with their storage Benchmark Suite that was created by recording the
actions of a user performing everyday tasks on a computer than running that IO
trace on every new drive that enters the lab but some benchmarks don't really
fall cleanly into either of these two categories future marks PC Mark and 3D
Mark series are great examples here they feature components that are purely
synthetic like measurements of in-game physics performance on a CPU components
that are real world based like webpage loading times and then they spit out a
score that in theory quantifies the performance of the machine all right
lonus then so which one should I believe
synthetic or real world or like the hybrid model and the answer is kind of
all three if a real world Benchmark is available for your exact given workload
let's say 4K video editing then go with that first but if it's not available or
you're planning for a future hypothetical workload a hybrid or
synthetic Benchmark may be your only choice so just make sure that you
educate yourself about what the numbers you're looking at mean before making a
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thanks for watching this episode as fast as possible guys like this video if you liked it dislike it if you disliked it
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