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Rating Stats for

Peter Cordes

Rating
1575.42 (3,453rd) 		Reputation
156,434 (349th)
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Title Δ
Why does loop alignment on 32 byte make code faster? 0.00
How to concatenate two vector efficiently using AVX2? (a lane-cross... 0.00
How can I accurately benchmark unaligned access speed on x86_64 +1.35
How many bytes does the push instruction pushes onto the stack when... +1.63
Fully utilizing pipelines on kaby lake +1.97
nodejs on ALIX / AMD Geode running voyage linux leads to "inva... 0.00
Why does mulss take only 3 cycles on Haswell, different from Agner&... 0.00
How can I reconcile short conditional jumps with branch target alig... 0.00
How to write rotate code in C to compile into the `ror` x86 instruc... +0.09
Set all bits in CPU register to 1 efficiently 0.00
add 1 byte immediate value to a 2 bytes memory location -1.94
Atomic double floating point or SSE/AVX vector load/store on x86_64 -0.47
Why is memcmp(a, b, 4) only sometimes optimized to a uint32 compari... -0.47
Is Store Unit Also a Load Unit on an Intel processor? 0.00
How many 1-byte NOPs can Skylake execute at one cycle -0.85
Is there a convention registers to use for base and index? -2.47
Meaning of suffix "x" in intrinsics like "_mm256_set... 0.00
move instruction from eax to es register gives error -0.53
Make previous memory stores visible to subsequent memory loads +0.40
Can an instruction be in two addressing modes at the same time? +1.54
How much bytes does RESB, RESW, RESD, RESQ allocates in NASM? 0.00
Where are the stacks for the other threads located in a process vir... +1.57
How to know if an assembly code has particular syntax (emu8086, NAS... +0.43
How to extract 8 integers from a 256 vector using intel intrinsics? 0.00
Fallback implementation for conflict detection in AVX2 0.00
The variable name defined in .bss section can not be found in gdb +2.55
How does the NEG instruction set the adjust flag (AF) on x86? 0.00
Error when using _mm256_load_ps() Intel intrinsic 0.00
Is it possible to perform some computations within the RAM? +1.87
What is the different between a null terminated string and a string... +0.42
How to get performance boost from AVX intrinsics for calculating ba... -2.23
What is the function of a "data label" in an x86 assembler? 0.00
Can a binary tree with one empty subtree be a balanced binary tree?... 0.00
X86 Address Space Controller? 0.00
What is the most efficient way to clear a single or a few ZMM regis... +2.73
Can x86's MOV really be "free"? Why can't I repro... +2.26
128-bit values - From XMM registers to General Purpose -2.09
Can PTEST be used to test if two registers are both zero or some ot... 0.00
how can I write this assembly line differently? +2.38
Why does VC++ 2010 often use ebx as a "zero register"? 0.00
clang vs gcc for copying 3 bytes on x86_64 - number of mov's +1.96
assembler say: "duplicate symbol" for inline assembler co... 0.00
What is the largest amount of memory I can allocate on my MacBook P... -1.01
How to write x86 assembly code to check the effect of temperature o... 0.00
VS: unexpected optimization behavior with _BitScanReverse64 intrinsic 0.00
SSE2 code optimization to compress an image 0.00
How to efficiently perform int8/int64 conversion with SSE? -2.13
Why the difference in code generation for bool = bool ? int : int 0.00
How to implement sign function with SSE3? +0.78
What's the best way to shift characters in a string using assem... 0.00