Latency Heatmap Generator
Generate
Export PNG
Hide inputs after generation
CPU Name *
Latency Matrix* (comma/space/tab separated, 'x' or NaN for gaps)
• Auto-detects delimiter • Must be a square matrix • Non-numeric values are treated as gaps.
Color Scale
Traffic Light
Viridis
Inferno
Diverging Contrast
Custom (JSON below)
global (min–max)
per-row (min–max)
per-column (min–max)
Custom Colors (array of {{pct, color:{r,g,b}}})
[ {"pct":0.00,"color":{"r":0,"g":128,"b":0}}, {"pct":0.50,"color":{"r":255,"g":255,"b":0}}, {"pct":1.00,"color":{"r":255,"g":0,"b":0}} ]
Show numbers
Clamp outliers (±3σ)
Cell Size
Cell Gap
Corner Radius
Tip: bigger matrices → reduce cell size for visibility; export respects these sizes.
Latency (ns)
min
max