Statistics & Trends

Last updated: 2026-04-05 06:30 UTC. CI workflow only. Excludes skipped jobs. Data range: 2025-12-01 to 2026-04-03.

CI Turnaround Time (minutes) #

Time from workflow trigger to last job completed per run. Speed of light = max(build+test) across platforms, assuming full parallelization.

Active PRs per Day #

Unique PR branches with CI activity per day.

PRs Merged per Day #

Number of pull requests merged each day.

Build and Test Wait Times (minutes) #

Build wait: run trigger to first build started. Test wait: last build completed to first test started (worst platform).

Build Duration by OS (minutes) #

Average build job duration per day.

Test Duration by OS (minutes) #

Average test job duration per day.

Jobs per Day #

Stacked by conclusion: success, failure, cancelled.

Workflow Runs per Day #

Number of distinct workflow runs per day.

Average Job Duration (minutes) #

Mean duration across all jobs per day, with 7-day moving average.

Average Queue Wait Time (minutes) #

Mean time jobs spent waiting for a runner before starting.

Failure Rate (%) #

Percentage of jobs that failed (excludes skipped and cancelled).

Jobs by Runner Group #

Total jobs per runner group over the full date range.

Average Concurrent Runners #

Average number of self-hosted runners busy at any moment, per group. Computed as total busy time / 24h.

Queue Wait Time Percentiles (minutes) #

Time each job spent waiting in the CI queue for a runner before execution started. Shows average, median (p50), p90, and p95 per day.

Merge Queue Checks per Day #

Stacked by conclusion: success, failure, cancelled. Shows merge queue CI check runs triggered by GitHub merge queue.

Merge Queue Failure Rate (%) #

Percentage of merge queue CI checks that failed (excludes cancelled).

Merge Queue Turnaround Time (minutes) #

Average time from merge queue CI check start to completion.

Recent Merge Queue Failures

DatePRRunFailing Jobs
2026-04-03#10740logstest-linux-debug-gcc-x86_64 / test-slang, check-ci
2026-04-02#10685logsbuild-linux-release-gcc-wasm / build
2026-04-02#10682logsbuild-linux-release-gcc-wasm / build
2026-04-01#9808logsbuild-linux-release-gcc-wasm / build
2026-04-01#10442logstest-linux-debug-gcc-x86_64 / test-slang-rhi, test-linux-debug-gcc-x86_64 / test-slang, test-linux-release-gcc-x86_64 / test-slang-rhi (+1 more)
2026-03-31#10597logscheck-ci
2026-03-31#10640logscheck-ci
2026-03-31#10597logstest-linux-debug-gcc-x86_64 / test-slang, check-ci
2026-03-25#10591logstest-linux-release-gcc-x86_64 / test-slang, check-ci
2026-03-24#10644logstest-linux-debug-gcc-x86_64 / test-slang, check-ci
2026-03-23#10621logstest-linux-debug-gcc-x86_64 / test-slang, check-ci
2026-03-23#10414logstest-linux-release-gcc-x86_64 / test-slang, check-ci
2026-03-21#10635logstest-linux-debug-gcc-x86_64 / test-slang-rhi, check-ci
2026-03-21#10541logsbuild-linux-release-gcc-wasm / build
2026-03-20#10623logstest-linux-debug-gcc-x86_64 / test-slang, check-ci
2026-03-20#10414logstest-linux-debug-gcc-x86_64 / test-slang, check-ci
2026-03-20#9967logstest-windows-debug-cl-x86_64-gpu / test-slang, check-ci
2026-03-19#10565logsbuild-macos-debug-clang-aarch64 / build
2026-03-19#10300logsbuild-macos-release-clang-aarch64 / build
2026-03-19#10602logstest-linux-debug-gcc-x86_64 / test-slang-rhi, test-linux-release-gcc-x86_64 / test-slang, check-ci