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Benchmark: benchmark/test_runner/mock-timers.js
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What we are trying to find: The optimal number of iterations (n)
that produces consistent benchmark results without wasting time.

How it works:
1. Run the benchmark multiple times with a specific n value
2. Group results by configuration
3. If overall CV is above 5% or any configuration has CV above 10%, increase n and try again

Configuration:
- Starting n: 10 iterations
- Runs per n value: 30
- Target CV threshold: 1% (lower CV = more stable results)
- Max increases: 4
- Increase factor: 10x

Testing with n=10:
..............................

Configuration: {"mode":"enable-empty-apis","n":10}
  CV: 9.06% (lower values mean more stable results)
  Stability: ✗ Unstable

Configuration: {"mode":"enable-setTimeout","n":10}
  CV: 5.90% (lower values mean more stable results)
  Stability: ✗ Unstable

Configuration: {"mode":"enable-setInterval","n":10}
  CV: 3.90% (lower values mean more stable results)
  Stability: ✗ Unstable

Configuration: {"mode":"enable-setImmediate","n":10}
  CV: 4.60% (lower values mean more stable results)
  Stability: ✗ Unstable

Configuration: {"mode":"enable-Date","n":10}
  CV: 5.07% (lower values mean more stable results)
  Stability: ✗ Unstable

Configuration: {"mode":"enable-scheduler.wait","n":10}
  CV: 4.32% (lower values mean more stable results)
  Stability: ✗ Unstable

Configuration: {"mode":"enable-AbortSignal.timeout","n":10}
  CV: 3.60% (lower values mean more stable results)
  Stability: ✗ Unstable

Configuration: {"mode":"enable-all","n":10}
  CV: 4.66% (lower values mean more stable results)
  Stability: ✗ Unstable

Configuration: {"mode":"enable-default","n":10}
  CV: 4.03% (lower values mean more stable results)
  Stability: ✗ Unstable

Configuration: {"mode":"setTimeout","n":10}
  CV: 4.94% (lower values mean more stable results)
  Stability: ✗ Unstable

Configuration: {"mode":"setInterval","n":10}
  CV: 6.09% (lower values mean more stable results)
  Stability: ✗ Unstable

Configuration: {"mode":"setImmediate","n":10}
  CV: 6.99% (lower values mean more stable results)
  Stability: ✗ Unstable

Configuration: {"mode":"scheduler.wait","n":10}
  CV: 5.37% (lower values mean more stable results)
  Stability: ✗ Unstable

Configuration: {"mode":"AbortSignal.timeout","n":10}
  CV: 4.32% (lower values mean more stable results)
  Stability: ✗ Unstable

Configuration: {"mode":"Date","n":10}
  CV: 5.58% (lower values mean more stable results)
  Stability: ✗ Unstable

Configuration: {"mode":"setTime","n":10}
  CV: 5.60% (lower values mean more stable results)
  Stability: ✗ Unstable

Configuration: {"mode":"runAll","n":10}
  CV: 4.57% (lower values mean more stable results)
  Stability: ✗ Unstable

Overall average CV: 5.21%
  ✗ Overall CV (5.21%) is above 5%
  → New best n: 10 with average CV: 5.21%

Testing with n=100:
..............................

Configuration: {"mode":"enable-empty-apis","n":100}
  CV: 3.58% (lower values mean more stable results)
  Stability: ✗ Unstable

Configuration: {"mode":"enable-setTimeout","n":100}
  CV: 4.56% (lower values mean more stable results)
  Stability: ✗ Unstable

Configuration: {"mode":"enable-setInterval","n":100}
  CV: 3.76% (lower values mean more stable results)
  Stability: ✗ Unstable

Configuration: {"mode":"enable-setImmediate","n":100}
  CV: 4.01% (lower values mean more stable results)
  Stability: ✗ Unstable

Configuration: {"mode":"enable-Date","n":100}
  CV: 5.29% (lower values mean more stable results)
  Stability: ✗ Unstable

Configuration: {"mode":"enable-scheduler.wait","n":100}
  CV: 4.24% (lower values mean more stable results)
  Stability: ✗ Unstable

Configuration: {"mode":"enable-AbortSignal.timeout","n":100}
  CV: 5.25% (lower values mean more stable results)
  Stability: ✗ Unstable

Configuration: {"mode":"enable-all","n":100}
  CV: 4.47% (lower values mean more stable results)
  Stability: ✗ Unstable

Configuration: {"mode":"enable-default","n":100}
  CV: 3.53% (lower values mean more stable results)
  Stability: ✗ Unstable

Configuration: {"mode":"setTimeout","n":100}
  CV: 4.23% (lower values mean more stable results)
  Stability: ✗ Unstable

Configuration: {"mode":"setInterval","n":100}
  CV: 12.55% (lower values mean more stable results)
  Stability: ✗ Unstable

Configuration: {"mode":"setImmediate","n":100}
  CV: 4.91% (lower values mean more stable results)
  Stability: ✗ Unstable

Configuration: {"mode":"scheduler.wait","n":100}
  CV: 6.46% (lower values mean more stable results)
  Stability: ✗ Unstable

Configuration: {"mode":"AbortSignal.timeout","n":100}
  CV: 4.52% (lower values mean more stable results)
  Stability: ✗ Unstable

Configuration: {"mode":"Date","n":100}
  CV: 5.34% (lower values mean more stable results)
  Stability: ✗ Unstable

Configuration: {"mode":"setTime","n":100}
  CV: 4.65% (lower values mean more stable results)
  Stability: ✗ Unstable

Configuration: {"mode":"runAll","n":100}
  CV: 4.21% (lower values mean more stable results)
  Stability: ✗ Unstable

Overall average CV: 5.03%
  ✗ Overall CV (5.03%) is above 5%
  ✗ 1 configuration(s) have CV above 10%
  → New best n: 100 with average CV: 5.03%

Testing with n=1000:
..............................

Configuration: {"mode":"enable-empty-apis","n":1000}
  CV: 3.53% (lower values mean more stable results)
  Stability: ✗ Unstable

Configuration: {"mode":"enable-setTimeout","n":1000}
  CV: 6.01% (lower values mean more stable results)
  Stability: ✗ Unstable

Configuration: {"mode":"enable-setInterval","n":1000}
  CV: 4.37% (lower values mean more stable results)
  Stability: ✗ Unstable

Configuration: {"mode":"enable-setImmediate","n":1000}
  CV: 5.87% (lower values mean more stable results)
  Stability: ✗ Unstable

Configuration: {"mode":"enable-Date","n":1000}
  CV: 5.57% (lower values mean more stable results)
  Stability: ✗ Unstable

Configuration: {"mode":"enable-scheduler.wait","n":1000}
  CV: 4.87% (lower values mean more stable results)
  Stability: ✗ Unstable

Configuration: {"mode":"enable-AbortSignal.timeout","n":1000}
  CV: 6.04% (lower values mean more stable results)
  Stability: ✗ Unstable

Configuration: {"mode":"enable-all","n":1000}
  CV: 4.50% (lower values mean more stable results)
  Stability: ✗ Unstable

Configuration: {"mode":"enable-default","n":1000}
  CV: 5.49% (lower values mean more stable results)
  Stability: ✗ Unstable

Configuration: {"mode":"setTimeout","n":1000}
  CV: 4.65% (lower values mean more stable results)
  Stability: ✗ Unstable

Configuration: {"mode":"setInterval","n":1000}
  CV: 4.76% (lower values mean more stable results)
  Stability: ✗ Unstable

Configuration: {"mode":"setImmediate","n":1000}
  CV: 2.66% (lower values mean more stable results)
  Stability: ✗ Unstable

Configuration: {"mode":"scheduler.wait","n":1000}
  CV: 3.59% (lower values mean more stable results)
  Stability: ✗ Unstable

Configuration: {"mode":"AbortSignal.timeout","n":1000}
  CV: 7.78% (lower values mean more stable results)
  Stability: ✗ Unstable

Configuration: {"mode":"Date","n":1000}
  CV: 4.29% (lower values mean more stable results)
  Stability: ✗ Unstable

Configuration: {"mode":"setTime","n":1000}
  CV: 5.97% (lower values mean more stable results)
  Stability: ✗ Unstable

Configuration: {"mode":"runAll","n":1000}
  CV: 4.60% (lower values mean more stable results)
  Stability: ✗ Unstable

Overall average CV: 4.97%
  ✗ Overall CV (4.97%) is above 5%
  → New best n: 1000 with average CV: 4.97%

Testing with n=10000:
..............................

Configuration: {"mode":"enable-empty-apis","n":10000}
  CV: 8.15% (lower values mean more stable results)
  Stability: ✗ Unstable

Configuration: {"mode":"enable-setTimeout","n":10000}
  CV: 5.97% (lower values mean more stable results)
  Stability: ✗ Unstable

Configuration: {"mode":"enable-setInterval","n":10000}
  CV: 5.19% (lower values mean more stable results)
  Stability: ✗ Unstable

Configuration: {"mode":"enable-setImmediate","n":10000}
  CV: 4.42% (lower values mean more stable results)
  Stability: ✗ Unstable

Configuration: {"mode":"enable-Date","n":10000}
  CV: 6.34% (lower values mean more stable results)
  Stability: ✗ Unstable

Configuration: {"mode":"enable-scheduler.wait","n":10000}
  CV: 5.38% (lower values mean more stable results)
  Stability: ✗ Unstable

Configuration: {"mode":"enable-AbortSignal.timeout","n":10000}
  CV: 8.10% (lower values mean more stable results)
  Stability: ✗ Unstable

Configuration: {"mode":"enable-all","n":10000}
  CV: 4.23% (lower values mean more stable results)
  Stability: ✗ Unstable

Configuration: {"mode":"enable-default","n":10000}
  CV: 2.95% (lower values mean more stable results)
  Stability: ✗ Unstable

Configuration: {"mode":"setTimeout","n":10000}
  CV: 5.40% (lower values mean more stable results)
  Stability: ✗ Unstable

Configuration: {"mode":"setInterval","n":10000}
  CV: 4.32% (lower values mean more stable results)
  Stability: ✗ Unstable

Configuration: {"mode":"setImmediate","n":10000}
  CV: 3.56% (lower values mean more stable results)
  Stability: ✗ Unstable

Configuration: {"mode":"scheduler.wait","n":10000}
  CV: 4.19% (lower values mean more stable results)
  Stability: ✗ Unstable

Configuration: {"mode":"AbortSignal.timeout","n":10000}
  CV: 7.05% (lower values mean more stable results)
  Stability: ✗ Unstable

Configuration: {"mode":"Date","n":10000}
  CV: 14.86% (lower values mean more stable results)
  Stability: ✗ Unstable

Configuration: {"mode":"setTime","n":10000}
  CV: 3.88% (lower values mean more stable results)
  Stability: ✗ Unstable

Configuration: {"mode":"runAll","n":10000}
  CV: 8.84% (lower values mean more stable results)
  Stability: ✗ Unstable

Overall average CV: 6.05%
  ✗ Overall CV (6.05%) is above 5%
  ✗ 1 configuration(s) have CV above 10%
  → Current best n remains: 1000 with average CV: 4.97%
Maximum number of increases (4) reached without achieving target stability
Best n found: 1000 with average CV=4.97%

CV by configuration at best n:
  {"mode":"enable-empty-apis","n":1000}: 3.53%
    ⚠️ This configuration is above the target threshold of 1%
  {"mode":"enable-setTimeout","n":1000}: 6.01%
    ⚠️ This configuration is above the target threshold of 1%
  {"mode":"enable-setInterval","n":1000}: 4.37%
    ⚠️ This configuration is above the target threshold of 1%
  {"mode":"enable-setImmediate","n":1000}: 5.87%
    ⚠️ This configuration is above the target threshold of 1%
  {"mode":"enable-Date","n":1000}: 5.57%
    ⚠️ This configuration is above the target threshold of 1%
  {"mode":"enable-scheduler.wait","n":1000}: 4.87%
    ⚠️ This configuration is above the target threshold of 1%
  {"mode":"enable-AbortSignal.timeout","n":1000}: 6.04%
    ⚠️ This configuration is above the target threshold of 1%
  {"mode":"enable-all","n":1000}: 4.50%
    ⚠️ This configuration is above the target threshold of 1%
  {"mode":"enable-default","n":1000}: 5.49%
    ⚠️ This configuration is above the target threshold of 1%
  {"mode":"setTimeout","n":1000}: 4.65%
    ⚠️ This configuration is above the target threshold of 1%
  {"mode":"setInterval","n":1000}: 4.76%
    ⚠️ This configuration is above the target threshold of 1%
  {"mode":"setImmediate","n":1000}: 2.66%
    ⚠️ This configuration is above the target threshold of 1%
  {"mode":"scheduler.wait","n":1000}: 3.59%
    ⚠️ This configuration is above the target threshold of 1%
  {"mode":"AbortSignal.timeout","n":1000}: 7.78%
    ⚠️ This configuration is above the target threshold of 1%
  {"mode":"Date","n":1000}: 4.29%
    ⚠️ This configuration is above the target threshold of 1%
  {"mode":"setTime","n":1000}: 5.97%
    ⚠️ This configuration is above the target threshold of 1%
  {"mode":"runAll","n":1000}: 4.60%
    ⚠️ This configuration is above the target threshold of 1%

Recommendation: You might want to try increasing --max-increases to
continue testing with larger n values, or adjust --cv-threshold to
accept the current best result, or investigate if specific configurations
are contributing to instability.