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[performance] minimise log field allocations (#3529)

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* when appending log field only do so by minimal amount

* move slice utils to separate package to fix import cycle, add GrowJust() and AppendJust() functions

* fix GrowJust() not returning slice of same length

* improved xslices tests

* make AppendJust() test check for slice contents, fix AppendJust() final copying behaviour

* add a +1 with field growth to try minimise allocation for log 'msg' field
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kim 2024-11-11 15:45:19 +00:00 • committed by GitHub
commit e3c2b790fd
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29 changed files with 189 additions and 76 deletions
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4
internal/gtsmodel/conversation.go
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@ -22,7 +22,7 @@ import (
"strings"
"time"
"github.com/superseriousbusiness/gotosocial/internal/util"
"github.com/superseriousbusiness/gotosocial/internal/util/xslices"
)
// Conversation represents direct messages between the owner account and a set of other accounts.
@ -62,7 +62,7 @@ type Conversation struct {
// ConversationOtherAccountsKey creates an OtherAccountsKey from a list of OtherAccountIDs.
func ConversationOtherAccountsKey(otherAccountIDs []string) string {
otherAccountIDs = util.Deduplicate(otherAccountIDs)
otherAccountIDs = xslices.Deduplicate(otherAccountIDs)
slices.Sort(otherAccountIDs)
return strings.Join(otherAccountIDs, ",")
}