Statistics & Trends

Last updated: 2026-09-20 06:18 UTC. CI workflow only. Excludes skipped jobs. Data range: 2025-12-01 to 2026-09-19.

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
2026-09-18#13105logstest-benchmark / Test (Benchmark), check-ci
2026-09-18#12963logsbuild-windows-debug-cl-aarch64 / build
2026-09-18#12905logstest-windows-release-cl-x86_64-gpu-dx / test-slang, check-ci
2026-09-18#13013logstest-windows-debug-cl-x86_64-gpu-dx / test-slang, check-ci
2026-09-17#13033logsbuild-windows-debug-cl-aarch64 / build
2026-09-17#12924logstest-windows-release-cl-x86_64-gpu-dx / test-slang, check-ci
2026-09-17#13009logstest-windows-release-cl-x86_64-gpu-dx / test-slang, check-ci
2026-09-17#11906logstest-windows-release-cl-x86_64-gpu-dx / test-slang, check-ci
2026-09-17#12592logstest-windows-release-cl-x86_64-gpu-vk / test-slang, check-ci
2026-09-17#13063logstest-macos-debug-clang-aarch64-rhi / test-slang-rhi, check-ci
2026-09-17#12608logsbuild-macos-debug-clang-aarch64 / build, build-windows-release-cl-aarch64 / build, check-ci
2026-09-17#12905logsbuild-windows-release-cl-x86_64-gpu-falcor / build, build-linux-release-gcc-x86_64 / build, build-macos-27-release-clang-aarch64 / build (+2 more)
2026-09-17#13033logstest-linux-debug-gcc-aarch64 / test-slang, test-windows-debug-cl-x86_64-gpu-vk / test-slang, test-windows-debug-cl-x86_64-gpu-dx / test-slang (+2 more)
2026-09-17#12895logsbuild-macos-27-release-clang-aarch64 / build, check-ci
2026-09-15#12988logstest-windows-debug-cl-x86_64-gpu-rhi / test-slang-rhi, check-ci
2026-09-15#12504logsbuild-windows-debug-cl-aarch64 / build
2026-09-15#12800logsbuild-linux-debug-gcc-x86_64 / build, build-linux-release-gcc-x86_64 / build, check-ci
2026-09-14#13026logstest-windows-debug-cl-x86_64-gpu-dx / test-slang, check-ci
2026-09-14#12559logstest-macos-debug-clang-aarch64 / test-slang, check-ci
2026-09-14#12559logstest-macos-debug-clang-aarch64 / test-slang, check-ci