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Pointer to stackframe in Julia, VLA/alloca-like; with e.g. StaticString.jl
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5
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217
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October 30, 2024
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Why does a vector with 10 times more elements takes 2x-5x less time to pre-allocate?
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14
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614
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October 30, 2024
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The One Billion Row Challenge
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29
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3195
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October 30, 2024
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Optimizing a puzzle from the Balatro game: discarding part of a poker hand to get a pair
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14
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888
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October 30, 2024
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10x faster sortperm()
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10
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2997
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October 29, 2024
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Argmax over columns of a large matrix
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2
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198
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October 29, 2024
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Avoid allocations in retrieving array parts
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2
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132
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October 29, 2024
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JumpProcesses.jl solvers
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4
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195
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October 28, 2024
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`ifelse(x<y, x, y)` much faster than `min()`
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16
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691
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October 28, 2024
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Can't convert from Irish to British grid using CoordRefSystems
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1
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123
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October 28, 2024
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Most Efficient Way to Compute a Quadratic Matrix Form
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15
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4761
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October 27, 2024
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Allocations MVectors
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10
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336
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October 27, 2024
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Loop over array of static arrays
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12
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405
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October 26, 2024
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What is a good design for a settable global with a known type?
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4
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213
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October 26, 2024
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Allocations with StaticArrays and `+=` in Julia `v1.11`
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6
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474
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October 26, 2024
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Rule of thumb to estimate theoretical lower bound on benchmarks?
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4
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280
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October 25, 2024
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@profile slows down MPI?
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0
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82
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October 24, 2024
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Type inference difference in `mapreduce(f, op, t)` vs `reduce(op, map(f, t))`
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1
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386
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October 24, 2024
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Performance comparison of a custom gcd() function in Julia, C, and Rust
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7
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537
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October 23, 2024
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Fast ways to check if an element is in a vector of vector of elements
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20
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1342
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October 23, 2024
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Reshaped views might alias
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5
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273
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October 23, 2024
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What is the best way to re-use a temporary vector
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16
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664
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October 22, 2024
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Performance hacking `(&)(a::BitArray, b::BitArray)`
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14
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512
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October 22, 2024
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Strange performance of literal array constructor
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5
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151
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October 22, 2024
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Execution of active file in REPL does not work anymore
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1
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210
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October 22, 2024
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How to efficiently parse null as NaN in JSON?
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1
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196
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October 22, 2024
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Obtaining field values over an array of composite types
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11
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340
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October 21, 2024
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Performance hit of allocation regardless of size
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7
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314
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October 21, 2024
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Is the triple `@inbounds @fastmath @simd` necessary for absolute peak performance?
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7
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687
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October 21, 2024
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How can I allocate a buffer contains different types of data (for MPI communication, for example)?
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10
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345
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October 20, 2024
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