Module: Legion::LLM::Scheduling::Batch

Extended by:
Legion::Logging::Helper
Defined in:
lib/legion/llm/scheduling/batch.rb

Class Method Summary collapse

Class Method Details

.enabled? ⇒ Boolean

Returns:

  • (Boolean) 


16
17
18
 
# File 'lib/legion/llm/scheduling/batch.rb', line 16

def enabled?
  settings.fetch(:enabled, false) == true
end

.enqueue(messages: nil, model: nil, message: nil, callback: nil, provider: nil, priority: :normal, **opts) ⇒ Object 



20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
 
# File 'lib/legion/llm/scheduling/batch.rb', line 20

def enqueue(messages: nil, model: nil, message: nil, callback: nil, provider: nil, priority: :normal, **opts)
  request_id = SecureRandom.uuid
  msgs = messages || (message ? [{ role: 'user', content: message }] : [])

  entry = {
    id:        request_id,
    messages:  msgs,
    model:     model,
    provider:  provider,
    callback:  callback,
    priority:  priority,
    opts:      opts,
    queued_at: Time.now.utc
  }

  @mutex.synchronize { queue << entry }
  ensure_flush_timer
  log.debug "Legion::LLM::Batch enqueued #{request_id} (queue size: #{queue_size})"
  request_id
end

.flush(max_size: nil, max_wait: nil) ⇒ Object 



41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
 
# File 'lib/legion/llm/scheduling/batch.rb', line 41

def flush(max_size: nil, max_wait: nil)
  effective_max  = max_size || settings.fetch(:max_batch_size, 100)
  effective_wait = max_wait || settings.fetch(:window_seconds, 300)
  cutoff = Time.now.utc - effective_wait

  to_flush = @mutex.synchronize do
    ready = queue.select { |e| e[:queued_at] <= cutoff }
                 .sort_by { |e| priority_rank(e[:priority]) }
                 .first(effective_max)
    ready.each { |e| queue.delete(e) }
    ready
  end

  return [] if to_flush.empty?

  log.debug "Legion::LLM::Batch flushing #{to_flush.size} request(s)"

  groups = to_flush.group_by { |e| [e[:provider], e[:model]] }
  results = []

  groups.each do |(provider, model), entries|
    entries.each do |entry|
      result = submit_single(entry, provider: provider, model: model)
      entry[:callback]&.call(result)
      results << { id: entry[:id], status: result[:status], result: result }
    end
  end

  results
end

.queue_size ⇒ Object 



72
73
74
 
# File 'lib/legion/llm/scheduling/batch.rb', line 72

def queue_size
  @mutex.synchronize { queue.size }
end

.reset! ⇒ Object 



89
90
91
92
 
# File 'lib/legion/llm/scheduling/batch.rb', line 89

def reset!
  @mutex.synchronize { @queue = [] }
  stop_flush_timer
end

.status ⇒ Object 



76
77
78
79
80
81
82
83
84
85
86
87
 
# File 'lib/legion/llm/scheduling/batch.rb', line 76

def status
  entries = @mutex.synchronize { queue.dup }
  oldest = entries.min_by { |e| e[:queued_at] }
  {
    enabled:        enabled?,
    queue_size:     entries.size,
    max_batch_size: settings.fetch(:max_batch_size, 100),
    window_seconds: settings.fetch(:window_seconds, 300),
    oldest_queued:  oldest ? oldest[:queued_at].iso8601 : nil,
    by_priority:    entries.group_by { |e| e[:priority] }.transform_values(&:size)
  }
end

.stop_flush_timer ⇒ Object 



94
95
96
97
 
# File 'lib/legion/llm/scheduling/batch.rb', line 94

def stop_flush_timer
  @flush_timer&.shutdown if @flush_timer.respond_to?(:shutdown)
  @flush_timer = nil
end