Figure 7: Performance Comparison (Locked vs Escaped Regimes)
Window Size (bytes)
Performance (ms/word)
6144B
8192B
16384B
32768B
30
35
40
45
50
55
60
Baseline (35ms)
Locked
60.3ms
Escaped
57.3ms
-5% (worse)
Locked
37.0ms
Escaped
34.8ms
+6% (better!)
Locked
37.4ms
Escaped
35.9ms
+4% (better!)
Locked
41.8ms
Escaped
41.2ms
-1% (neutral)
Key Insight:
Escaped regime (high K) is architecturally favorable at 8KB and 16KB (L1→L2 cache transition)
But at 6KB (cache-misaligned), escaped regime still suffers from cache penalty despite reaching higher K values
Legend
Locked regime
Escaped regime