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v1.20.3

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v1.18.2

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v1.14.6

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v1.14.4

v1.14.3

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v1.10.2

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v1.8.8

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v1.8.6

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v1.8.3

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v1.4.4

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coral-gitops

gitops-1.30.0

gitops-1.58.2

nginx-auth-0.1.2

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v1.61.0-pre

v1.63.0-pre

v1.65.0-pre

v1.67.0-pre

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v1.71.0-pre

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v1.75.0-pre

Commit Graph

Author	SHA1	Message	Date
Maisem Ali	36e8e8cd64	wgengine/magicsock: use math/rands/v2 Updates #11058 Co-authored-by: James Tucker <james@tailscale.com> Signed-off-by: Maisem Ali <maisem@tailscale.com>	6 months ago
James Tucker	24bac27632	util/rands: add Shuffle and Perm functions with on-stack RNG state The new math/rand/v2 package includes an m-local global random number generator that can not be reseeded by the user, which is suitable for most uses without the RNG pools we have in a number of areas of the code base. The new API still does not have an allocation-free way of performing a seeded operations, due to the long term compiler bug around interface parameter escapes, and the Source interface. This change introduces the two APIs that math/rand/v2 can not yet replace efficiently: seeded Perm() and Shuffle() operations. This implementation chooses to use the PCG random source from math/rand/v2, as with sufficient compiler optimization, this source should boil down to only two on-stack registers for random state under ideal conditions. Updates #17243 Signed-off-by: James Tucker <james@tailscale.com>	10 months ago

Author

SHA1

Message

Date

Maisem Ali

36e8e8cd64

wgengine/magicsock: use math/rands/v2

Updates #11058

Co-authored-by: James Tucker <james@tailscale.com>
Signed-off-by: Maisem Ali <maisem@tailscale.com>

James Tucker

24bac27632

util/rands: add Shuffle and Perm functions with on-stack RNG state

The new math/rand/v2 package includes an m-local global random number
generator that can not be reseeded by the user, which is suitable for
most uses without the RNG pools we have in a number of areas of the code
base.

The new API still does not have an allocation-free way of performing a
seeded operations, due to the long term compiler bug around interface
parameter escapes, and the Source interface.

This change introduces the two APIs that math/rand/v2 can not yet
replace efficiently: seeded Perm() and Shuffle() operations. This
implementation chooses to use the PCG random source from math/rand/v2,
as with sufficient compiler optimization, this source should boil down
to only two on-stack registers for random state under ideal conditions.

Updates #17243

Signed-off-by: James Tucker <james@tailscale.com>

2 Commits (d4d21a0bbf2c1bd6f0de1bc654d7bd475ef1661e)