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noxy_key
Good video. I liked the "juggling razorblades" analogy.
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Matthew Carr
Yep, it makes sense and I agree it's the better option. I was initially thinking the implementati…
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Casey Muratori
To clarify on the anti-aliasing: Since we are always drawing from bitmaps which have alpha-blend…
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Casey Muratori
There's really no such thing as non-32-bit-aligned 32-bit value on the stack unless you really go…
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Mārtiņš Možeiko
What other platforms are you talking about? You have working TLS also on Linux, OSX, Android and …
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Casey Muratori
The point of the queue here is not to maximize the amount of sleeping, but rather minimize the am…
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Casey Muratori
We haven't really gotten to the point where we need to start caring about thread_context. It's r…
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Kim Jørgensen
I was wondering what the purpose of thread_context is now that multi-threading has added to HH. D…
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Mārtiņš Možeiko
Such approach is fine. It will work. Just don't forget to increase max count. Semaphore value has…
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Matthew Carr
If I was to implement something like this I'd probably go the route of the WaitForSingleObjectEx …
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Mārtiņš Možeiko
Oh, you're right. Value will be 0 if no other jobs are being added. I don't know what I was think…
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Matthew Carr
Ok, well I grabbed the source code and looking through it properly I can see there's no bug. I do…
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Mārtiņš Možeiko
Why do you think semaphore is at 0 at 4th step? Semaphore decreases only when WaitForSingleObject…
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Matthew Carr
Apologies if I'm mistaken, but I just watched episode 126 and spotted what might be a possible ra…
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d7samurai
then there is _aligned_malloc which will take care of alignment to arbitrary boundaries for you: …
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Mārtiņš Možeiko
_mm_mul_epu32 only multiplies 2 32-bit integers and stores result as 2 64-bit integers. So you wo…
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elle
After debugging my vectorized version for a long time, I thought of a few minor things that might…
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Mārtiņš Možeiko
Yes, for variables allocated on stack compiler aligns them automatically. It gets tricky with st…
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Marius Adaškevičius
MSDN states that parameters for InterlockedCompareExchange and InterlockedIncrement functions mus…
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Benjamin Kloster
Link to the interview. Not much that hasn't already been discussed in these forums or on the str…
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noxy_key
Yes, I got VLIW somehow confused with SIMD, not sure why. SIMD executes one instruction on sever…
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Casey Muratori
Just to be clear, it was SIMD stuff we did (Single Instruction Multiple Data), not VLIW (Very Lon…
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Casey Muratori
Awesome catch! Yes I think that is a bug. This probably serves me write for violating my own ru…
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Andrew Bromage
cmuratori Obviously, the degree of speedup you get depends entirely on a) how underutilized the w…
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Mārtiņš Možeiko
Unfortunately no. Clang does same thing that GCC does for these vector types: https://gcc.gnu.org…
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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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