[DISPATCH-1352] qd_buffer_list_clone cost is dominated by cache misses

• Type: Improvement
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 1.7.0
• Component/s: Routing Engine
• Labels: performance
• Assignee: Unassigned
• Reporter: Francesco Nigro
• Created: 03/Jun/19 09:00
• Updated: 02/Oct/19 19:17

Description

qd_buffer_list_clone on qd_message_copy for qd_message_pvt_t.ma_to_override/ma_trace/ma_ingress is dominated by cache misses costs:

• to "allocate" new qd_buffer_t
• to reference any qd_buffer_t from the source qd_buffer_list_t