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BeeOnRope

Rating
1587.08 (2,501st) 		Reputation
27,163 (4,651st)
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Title Δ
Is _mm_prefetch asynchronous? Profiling shows a lot of cycles on it 0.00
Windows vs Linux - C++ Thread Pool Memory Usage 0.00
In x86-64 asm: is there a way of optimising two adjacent 32-bit sto... 0.00
How can I use Intel PIN to catch all loads to an array? 0.00
Is there a simple (possibly obfuscated) math expression for the num... +0.82
Could branch prediction optimization be inherited? +2.02
Do store instructions block subsequent instructions on a cache miss? 0.00
In RAM Memory: CL are the total RAM cycles to access memory? 0.00
Intel PIN: How do I see speculative instructions? -2.00
Regex matching non-ASCII characters in sed 0.00
Perf Imprecise Call-Graph Report 0.00
How do the store buffer and Line Fill Buffer interact with each oth... 0.00
Why are there too many demand rfo offcore responses /offcore reques... -0.26
Best event counter to use for measuring wall clock time using perf... 0.00
Is L2 HW prefetcher really helpful? -2.11
Pythonic way to accept a tuple in a JSON argument -1.90
What happens with nested branches and speculative execution? +1.95
How is std::atomic implemented -1.41
Is there a way to compare CPU time and RAM memory? +1.96
Is subtraction less performant than negation? -2.14
Measure the time to reach the main function using perf? +0.22
Does Skylake need vzeroupper for turbo clocks to recover after a 51... 0.00
Long latency instruction 0.00
Do FP and integer division compete for the same throughput resource... 0.00
Calling clear on a vector immediately after construction? 0.00
My server has been broken into. What does this suite of shell lines... -0.13
Move 32bit register into a 8 bit register 0.00
Why is `_mm_stream_si128` much slower than `_mm_storeu_si128` on Sk... 0.00
Passing as `const&` lightweight objects 0.00
Why is there a locked xadd instruction in this disassambled std::st... 0.00
When creating threads using lambda expressions, how to give each th... 0.00
Are all Java apps single-threaded unless the programmer explicitly... +0.36
How to start two CPU cores to run instructions at the same time? +2.04
SIMD instructions lowering CPU frequency +2.08
How to profile static/global initialization? 0.00
Is it possible to turn a constexpr std::array into a std::integer_s... +1.15
Is it possible to read half-written, corrupt primitive variable whe... -0.38
Efficiency difference between an if-statement and mod(SIZE) -0.46
Can I ask the kernel to populate (fault in) a range of anonymous pa... 0.00
Why does using MFENCE with store instruction block prefetching in L... +1.70
Getting accurate time measurement with `perf-stat` 0.00
What is the fastest method of calculating integer Log10 for 64-bit... 0.00
Why are the user-mode L1 store miss events only counted when there... 0.00
Interpreting Absurdly-Low Measured Latency in Careful Profile (Supe... +1.48
Compiler optimizations allowed via "int", "least&quo... -1.25
Cost of a sub-optimal cacheline prefetch 0.00
Counting elements "less than x" in an array -0.71
How does std::atomic ensure atomicity -2.47
Stall all memory accesses of an application 0.00
Is it possible to make an application that never has any hard page... 0.00