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Only invoke a given cached partial once

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Note that this is backed by a LRU cache (which we soon shall see more usage of), so if you're a heavy user of cached partials it may be evicted and
refreshed if needed. But in most cases every partial is only invoked once.

This commit also adds a timeout (the global `timeout` config option) to make infinite recursion in partials
easier to reason about.

```
name              old time/op    new time/op    delta
IncludeCached-10    8.92ms ± 0%    8.48ms ± 1%   -4.87%  (p=0.016 n=4+5)

name              old alloc/op   new alloc/op   delta
IncludeCached-10    6.65MB ± 0%    5.17MB ± 0%  -22.32%  (p=0.002 n=6+6)

name              old allocs/op  new allocs/op  delta
IncludeCached-10      117k ± 0%       71k ± 0%  -39.44%  (p=0.002 n=6+6)
```

Closes #4086
Updates #9588
This commit is contained in:
Bjørn Erik Pedersen
2023-01-24 20:57:15 +01:00
parent 93ed6e447a
commit 4ef9baf5bd
21 changed files with 346 additions and 203 deletions
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4
resources/internal/key.go
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@@ -13,7 +13,7 @@
package internal
import "github.com/gohugoio/hugo/helpers"
import "github.com/gohugoio/hugo/identity"
// ResourceTransformationKey are provided by the different transformation implementations.
// It identifies the transformation (name) and its configuration (elements).
@@ -38,5 +38,5 @@ func (k ResourceTransformationKey) Value() string {
return k.Name
}
return k.Name + "_" + helpers.HashString(k.elements...)
return k.Name + "_" + identity.HashString(k.elements...)
}