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perf: add capacity hints to slice allocations

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Pre-allocate slices where upper bounds are known: config matches,
migration results, skill search results, search cache, telegram
table extraction, and skill listing.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
dj-oyu 2026-02-24 15:43:22 +09:00
parent b889617373
commit 7a3e6b0543
6 changed files with 8 additions and 8 deletions
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4
pkg/channels/telegram.go
View file

@ -833,7 +833,7 @@ func extractInlineCodes(text string) inlineCodeMatch {
func extractMarkdownTables(text string) tableBlockMatch { func extractMarkdownTables(text string) tableBlockMatch {
lines := strings.Split(text, "\n") lines := strings.Split(text, "\n")
out := make([]string, 0, len(lines)) out := make([]string, 0, len(lines))
tables := make([]string, 0) tables := make([]string, 0, 4)
placeholderIdx := 0 placeholderIdx := 0
for i := 0; i < len(lines); { for i := 0; i < len(lines); {
@ -845,7 +845,7 @@ func extractMarkdownTables(text string) tableBlockMatch {
} }
block := lines[start:i] block := lines[start:i]
formatted := formatMarkdownTable(block) formatted := formatMarkdownTable(block)
placeholder := fmt.Sprintf("\x00TB%d\x00", placeholderIdx) placeholder := "\x00TB" + strconv.Itoa(placeholderIdx) + "\x00"
placeholderIdx++ placeholderIdx++
tables = append(tables, formatted) tables = append(tables, formatted)
out = append(out, placeholder) out = append(out, placeholder)

2
pkg/config/config.go
View file

@ -625,7 +625,7 @@ func (c *Config) GetModelConfig(modelName string) (*ModelConfig, error) {
// findMatches finds all ModelConfig entries with the given model_name. // findMatches finds all ModelConfig entries with the given model_name.
func (c *Config) findMatches(modelName string) []ModelConfig { func (c *Config) findMatches(modelName string) []ModelConfig {
var matches []ModelConfig matches := make([]ModelConfig, 0, 4)
for i := range c.ModelList { for i := range c.ModelList {
if c.ModelList[i].ModelName == modelName { if c.ModelList[i].ModelName == modelName {
matches = append(matches, c.ModelList[i]) matches = append(matches, c.ModelList[i])

2
pkg/config/migration.go
View file

@ -45,7 +45,7 @@ func ConvertProvidersToModelList(cfg *Config) []ModelConfig {
p := cfg.Providers p := cfg.Providers
var result []ModelConfig result := make([]ModelConfig, 0, 20)
// Track if we've applied the legacy model name fix (only for first provider) // Track if we've applied the legacy model name fix (only for first provider)
legacyModelNameApplied := false legacyModelNameApplied := false

2
pkg/skills/loader.go
View file

@ -70,7 +70,7 @@ func NewSkillsLoader(workspace string, globalSkills string, builtinSkills string
} }
func (sl *SkillsLoader) ListSkills() []SkillInfo { func (sl *SkillsLoader) ListSkills() []SkillInfo {
skills := make([]SkillInfo, 0) skills := make([]SkillInfo, 0, 20)
if sl.workspaceSkills != "" { if sl.workspaceSkills != "" {
if dirs, err := os.ReadDir(sl.workspaceSkills); err == nil { if dirs, err := os.ReadDir(sl.workspaceSkills); err == nil {

2
pkg/skills/registry.go
View file

@ -180,7 +180,7 @@ func (rm *RegistryManager) SearchAll(ctx context.Context, query string, limit in
close(resultsCh) close(resultsCh)
}() }()
var merged []SearchResult merged := make([]SearchResult, 0, len(regs)*limit)
var lastErr error var lastErr error
var anyRegistrySucceeded bool var anyRegistrySucceeded bool

4
pkg/skills/search_cache.go
View file

@ -39,8 +39,8 @@ func NewSearchCache(maxEntries int, ttl time.Duration) *SearchCache {
ttl = 5 * time.Minute ttl = 5 * time.Minute
} }
return &SearchCache{ return &SearchCache{
entries: make(map[string]*cacheEntry), entries: make(map[string]*cacheEntry, maxEntries),
order: make([]string, 0), order: make([]string, 0, maxEntries),
maxEntries: maxEntries, maxEntries: maxEntries,
ttl: ttl, ttl: ttl,
} }