From aaff74df03e09a45de3bf3bb54307eb8796709a5 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Sun, 25 Jan 2026 18:17:57 +0000
Subject: [PATCH] Clarify performance analysis: timer frequency and future
 optimizations

Co-authored-by: pmarchini <49943249+pmarchini@users.noreply.github.com>
---
 IMPLEMENTATION_SUMMARY.md | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

diff --git a/IMPLEMENTATION_SUMMARY.md b/IMPLEMENTATION_SUMMARY.md
index 9cf3a02..37aef53 100644
--- a/IMPLEMENTATION_SUMMARY.md
+++ b/IMPLEMENTATION_SUMMARY.md
@@ -148,20 +148,26 @@ All existing functionality is preserved:
 
 ### Current Implementation (Pure Event-Driven)
 
-**Timer ISR Frequency:** Still 10,000/sec (100 interrupts × 100 Hz)
+**Timer ISR Frequency:** 10,000/sec (100 interrupts × 100 Hz) - periodic timer still runs at this rate
 
-**Event Processing:** 200-600 events/sec depending on number of dimmers
+**Event Processing:** 200-600 events/sec depending on number of dimmers (only these events trigger GPIO actions)
 
-**Key Improvement:** Events fire at exact times rather than waiting for next tick. No legacy fallback code - pure event-driven architecture.
+**Key Improvements Over Legacy:**
+- Events fire at exact calculated times (no polling delay)
+- ISR only processes scheduled events (no legacy fallback checks)
+- Pure event-driven architecture - cleaner, more maintainable code
+- No redundant GPIO checks or counter management
 
 ### Future Optimization Potential
 
-By switching to one-shot timer mode (future work):
+The timer currently runs in periodic mode (auto-reload enabled). By switching to one-shot timer mode (future work):
 
-**Timer ISR Frequency:** Could reduce to 200-600/sec (only when events fire)
+**Timer ISR Frequency:** Would reduce to 200-600/sec (only fires when events are scheduled)
 
 **Reduction:** 94-98% fewer timer interrupts
 
+**Implementation:** See FUTURE_ENHANCEMENTS.md for one-shot timer mode plan (Release 2.0.0)
+
 ## Testing Considerations
 
 ### Manual Testing Required