dependabot[bot] commented 4 months ago

Bumps github.com/puzpuzpuz/xsync/v3 from 3.0.2 to 3.3.1.

Release notes

Sourced from github.com/puzpuzpuz/xsync/v3's releases.

v3.3.1

Add NewMapOfWithHasher function #137

Adds NewMapOfWithHasher function to support custom hash functions in MapOf:
m := NewMapOfWithHasher[int, int](https://github.com/puzpuzpuz/xsync/blob/HEAD/func(i int, _ uint64) uint64 {
    // Murmur3 finalizer. No DDOS protection as it does not support seed.
    h := uint64(i)
    h = (h ^ (h >> 33)) * 0xff51afd7ed558ccd
    h = (h ^ (h >> 33)) * 0xc4ceb9fe1a85ec53
    return h ^ (h >> 33)
})
Some custom hash functions may be faster than the built-in function if the lack of DDOS protection is fine.

Murmur3 finalizer:
BenchmarkMapOfInt_Murmur3Finalizer_WarmUp/reads=100%-8           525864650            2.240 ns/op     446360938 ops/s           0 B/op          0 allocs/op
BenchmarkMapOfInt_Murmur3Finalizer_WarmUp/reads=99%-8           383333918            3.127 ns/op     319827294 ops/s           0 B/op          0 allocs/op
BenchmarkMapOfInt_Murmur3Finalizer_WarmUp/reads=90%-8           267635385            4.535 ns/op     220506863 ops/s           0 B/op          0 allocs/op
BenchmarkMapOfInt_Murmur3Finalizer_WarmUp/reads=75%-8           181292007            6.448 ns/op     155092697 ops/s           2 B/op          0 allocs/op
Built-in hash function:
BenchmarkMapOfInt_WarmUp/reads=100%-8            431097415            2.858 ns/op     349837551 ops/s           0 B/op          0 allocs/op
BenchmarkMapOfInt_WarmUp/reads=99%-8            307244330            3.951 ns/op     253072903 ops/s           0 B/op          0 allocs/op
BenchmarkMapOfInt_WarmUp/reads=90%-8            226392990            5.306 ns/op     188477583 ops/s           0 B/op          0 allocs/op
BenchmarkMapOfInt_WarmUp/reads=75%-8            159236962            7.513 ns/op     133108546 ops/s           2 B/op          0 allocs/op
v3.3.0

Speed up MapOf lookups #134

Expose Map/MapOf statistics #133

Change license to Apache License 2.0 #135

Introduces meta memory and SWAR-based lookups similar to C++'s absl::flat_hash_map hash table (https://abseil.io/docs/cpp/guides/container). The lookups are now up to 30% faster.

Also, reduces MapOf's memory overhead: each bucket now holds up to 5 entries instead of 3.

Map/MapOf statistics are available via m.Stats(). They may be used for diagnostic purposes.

v3.2.0

Introduce Map/MapOf configs and grow-only option (#132)

Adds options support to the NewMap/NewMapOf functions. A MapOf can now be created like this:
m := xsync.NewMapOf[int, int](https://github.com/puzpuzpuz/xsync/blob/HEAD/WithPresize(100))

... (truncated)

Commits

e96db0e Add NewMapOfWithHasher function (#137)
55a8a3a Improve readme (#136)
2470ff8 Change license to Apache License 2.0 (#135)
9d42f97 Speed up MapOf lookups (#134)
6092349 Expose Map/MapOf statistics (#133)
ec68f42 Introduce Map/MapOf configs and grow-only option (#132)
cbe4ec1 Improve NewMapPresized/NewMapOfPresized godoc (#122)
cdaca8b Use NewMapPresized/NewMapOfPresized argument as the minimal map capacity (#121)
See full diff in compare view

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