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Top New Best Ask Show Jobs

1.

Make your programs run faster by better using the data cache (2020) (johnnysswlab.com)

143 points

3 years ago

2.

Horrible Code, Clean Performance (johnnysswlab.com)

121 points

3 years ago

3.

The messy reality of SIMD (vector) functions (johnnysswlab.com)

120 points

a year ago

4.

Decreasing the number of memory accesses (johnnysswlab.com)

90 points

3 years ago

5.

Unexpected ways memory subsystem interacts with branch prediction (johnnysswlab.com)

89 points

2 years ago

6.

Memory Subsystem Optimizations (johnnysswlab.com)

48 points

5 months ago

7.

Growing Buffers to Avoid Copying Data (johnnysswlab.com)

42 points

a year ago

8.

Link Time Optimizations: New Way to Do Compiler Optimizations (johnnysswlab.com)

39 points

a year ago

9.

A story of a large loop with a long instruction dependency chain (johnnysswlab.com)

39 points

2 years ago

10.

Avoiding register spills in vectorized code with many constants (johnnysswlab.com)

38 points

2 years ago

11.

An optimizing compiler doesn't help much with long instruction dependencies (johnnysswlab.com)

35 points

a year ago

12.

Performance Debugging with LLVM-mca: Simulating the CPU (johnnysswlab.com)

33 points

a year ago

13.

The messy reality of SIMD (vector) functions (johnnysswlab.com)

30 points

a year ago

14.

Loop Optimizations: taking matters into your hands (2021) (johnnysswlab.com)

20 points

4 years ago

15.

CPU Dispatching: Make your code both portable and fast (2020) (johnnysswlab.com)

11 points

2 years ago

16.

Deep Dive in Java vs. C++ Performance (johnnysswlab.com)

4 points

6 months ago

17.

Faster hash maps, binary trees etc. through data layout modification (johnnysswlab.com)

4 points

3 years ago

18.

Frugal Programming: Saving Memory Subsystem Bandwidth (johnnysswlab.com)

4 points

3 years ago

19.

Exposing More Parallelism Is the Reason Why Some Vectorized Loops Are Faster (johnnysswlab.com)

3 points

3 months ago

20.

Floating-Point Error Handling in C++: What Works (johnnysswlab.com)

3 points

4 months ago

21.

The price of dynamic memory: Memory Access (2020) (johnnysswlab.com)

3 points

7 months ago

22.

Things Every Fresh Graduate Should Know About Software Performance (johnnysswlab.com)

3 points

8 months ago

23.

Things Every Fresh Graduate Should Know About Software Performance (johnnysswlab.com)

3 points

8 months ago

24.

Excessive copying in C++ and your program's speed (johnnysswlab.com)

3 points

a year ago

25.

Faster hash maps, binary trees etc. through data layout modification (johnnysswlab.com)

3 points

3 years ago

26.

Software Performance and Class Layout (johnnysswlab.com)

3 points

3 years ago

27.

Loop Optimizations: interpreting the compiler optimization report (johnnysswlab.com)

3 points

3 years ago

28.

Deep Dive in Java vs. C++ Performance (johnnysswlab.com)

2 points

6 months ago

29.

Branches influence the performance of your code and what can you do about it (johnnysswlab.com)

2 points

7 months ago

30.

Memory Subsystem Optimizations (Article Series) (johnnysswlab.com)

2 points

8 months ago