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elle
I noticed that LLVM is less strict about the vector types than MSVC by default. For example, it d…
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Nick
Ah I see. Thank you both for the explanation.
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noxy_key
It's hard to ignore 8 processors. After all, they're just sitting there, unused. I'm pretty sure …
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robert
Hello All, I was watching episode 124 and i think i ahve spotted a possible bug in the threading…
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Mārtiņš Možeiko
There's more stuff about MESI on ryg blog: https://fgiesen.wordpress.com/2014/08/18/atomics-and-c…
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Mārtiņš Možeiko
Kladdehelvete, did you read all the text I posted or just the first sentence? If what you are sa…
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Casey Muratori
The problem here is strictly that there is no compression happening, and the dynamic range of the…
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Casey Muratori
Ah! Good :) Although there's probably still a smarter way to do it if I thought about it for a …
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Casey Muratori
The problem with any of this is that you really don't know until you actually test it with your w…
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Casey Muratori
Well, that may be true, but we cannot get rid of it until we duplicate the function, because keep…
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Casey Muratori
Hyperthreading definitely does allow you to potentially double the work done per core. The reaso…
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Livet Ersomen Strøm
Please take note that I am 100% confident that Casey will do extremely well with his game eventua…
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Livet Ersomen Strøm
mmozeiko 1. There is no such thing as 8.1 cores. So it is not correct to say that 1 thread is usi…
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Marco
Hey everyone, I hope Casey won't ban me for posting CppCon references :) Here are some videos an…
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elle
I think we can save 1 multiply, 1 add, and 1 shift at the end of the function when we unnecessari…
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Abner Coimbre
Hear, hear! B)
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Mārtiņš Možeiko
1. There is no such thing as 8.1 cores. So it is not correct to say that 1 thread is using 1/16 o…
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noxy_key
I don't know how applicable this is to optimization via hyperthreading, but the two links below s…
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Livet Ersomen Strøm
elle Has anyone else noticed this too, or is this a bug in my version? No, it seems to me it s…
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Mārtiņš Možeiko
You were not tired - you looked up if there are shift by variable amount for 128-bit register. Th…
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Mārtiņš Možeiko
For last few versions of Visual Studio (at least from VS2005, maybe even older) all CRT functions…
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Casey Muratori
Yeah, the _mm_slli_si128 instruction is for shifting by an _immediate_, which means it has to be …
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Casey Muratori
I have never had a problem using CreateThread, but that is probably because I don't generally use…
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Nick
I just finished episode 122 so forgive me if this has already been answered. I've been reading a …
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Matt Mascarenhas
Personally, Andy, I think what you've done will suffice. By which I actually mean, you've totally…
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AndrewJDR
I updated the episode guide to show which episodes lack annotations - "Annotations Incomplete" ne…
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elle
Here are two recent links that do a great job at analyzing games in detail. Scroll Back The Theo…
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elle
Wow, that makes sense! I hadn't thought about the memory order and registry order. Thank you. I …
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Bigpet
He wrote "call "D:\Program Files (x86)\Microsoft Visual Studio 12.0\VC\vcvarsall" x64" so I ass…
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