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Emma Qiao

PROFILE

Emma Qiao

Qing Qiao spent 11 months engineering robust CI/CD and test automation infrastructure for the NVIDIA/TensorRT-LLM repository, focusing on stability, reliability, and accelerated release cycles. Qing designed and maintained workflows that modernized GPU test coverage, implemented dynamic waiver management to reduce CI noise, and optimized test orchestration using Python, Jenkins, and Shell scripting. By introducing dependency pinning, containerization, and targeted refactoring, Qing ensured reproducible builds and minimized integration risk. The work included adapting to evolving hardware environments, aligning test policies, and supporting cloud migration, resulting in faster feedback loops, safer mainline merges, and a maintainable, scalable validation pipeline for LLM deployments.

Overall Statistics

Feature vs Bugs

66%Features

Repository Contributions

169Total
Bugs
14
Commits
169
Features
27
Lines of code
4,384
Activity Months11

Work History

February 2026

9 Commits • 2 Features

Feb 1, 2026

February 2026 (2026-02) — NVIDIA/TensorRT-LLM: Focused on stability and compatibility to preserve development velocity during Spark cloud migration. Delivered CI/test stabilization and dependency pinning, enabling uninterrupted mainline progress and a smoother migration.

January 2026

23 Commits • 2 Features

Jan 1, 2026

January 2026 — NVIDIA/TensorRT-LLM focused on stabilizing CI/infra reliability and enabling faster, safer software delivery. Major initiatives included extensive CI test waivers to curb flakiness across main, post-merge, and release branches; enhanced failure visibility with increased pytest verbosity; dependency updates to 25.12; and a targeted fix for the TRT-LLM data scratch mount point on gb10x. Collectively, these changes reduced CI churn, improved diagnosis of infra failures, and protected release pipelines, delivering measurable business value through faster feedback loops, fewer stalled PRs, and more stable model-serving workflows.

December 2025

23 Commits • 4 Features

Dec 1, 2025

Month: 2025-12 Overview: This month focused on stabilizing and accelerating CI/test workflows for NVIDIA/TensorRT-LLM by refining infra, governance around test waivers, and optimizing single-GPU validation. The changes reduced CI noise, shortened feedback loops, and improved readiness for mainline releases. Key features delivered: - Infra: Update pytest options after MI to align CI behavior. Impact: more consistent test results and CI stability. Representative commit: b024040df0215de728286364a6173b3fd28a7284. - Infra: Waive failed tests for main branch across multiple dates to stabilize CI. Impact: reduced flaky failures and more reliable mainline validation. Representative commits include 3e4f2388a99f4b4ca27a3e86922ceb6ab81dee05, 4a8766c11d085d3076f6745f79184d3eb41de1a8, 7c6c49399361e025c8a68474f82f2a20ba5aa1d8, 137713a8691a4112833b93be9222c54d94c87cab, and 75bc386b6501215090582deef0522da51cb19e6a. - Infra: Waiver management for failed tests. Impact: centralized, maintainable waivers with clear unwaive paths. Representative commits: 7b84e48e0f1d687337b3beb3d3fdb836a90c4176, 0ecdb69b93d7bf96a2a8bcb586392a21b8a74eff, f396ad83b010d77581d24dc75418620249ce4adf, cce7247815ea883fcab79bcd2d48e2188cdca83b, 6732c76414cf59acf3025b7241291075d50a8cfe, d944430f96b0230546c9f2459076747e92584364. - Infra: Single-GPU CI adjustment. Impact: faster, earlier validation for single-GPU path with pre-merge tests. Representative commits: 16fd781e421f6d171373c0331cb4621383c4f857, fb05cd769a170b9c2c868b2d921fdc2e0d57a2d8. Major bugs fixed: - CI instability and flaky tests were mitigated through a disciplined waiver workflow, cleanup (including deduplicating waivers) and targeted re-testing. This reduced non-deterministic outcomes and improved reliability. - Pre-merge optimization for single-GPU tests; clarified test scope to accelerate feedback on single-GPU workloads. Overall impact and accomplishments: - Significantly improved CI reliability and predictability for NVIDIA/TensorRT-LLM, enabling faster PR validation and safer mainline progression. - Reduced CI noise from flaky tests while preserving coverage through maintained waivers and governance. - Strengthened test infra maintainability with cleaner waiver files and clear workflows for unwaiving and re-testing. Technologies/skills demonstrated: - Pytest configuration and CI policy alignment; test-infra governance; waiver management; pre-merge CI strategy; cross-branch collaboration; version control discipline. Business value: - Faster release readiness, lower risk of mainline instability, and more reliable validation of LLM-related features, supporting accelerated delivery for TensorRT-LLM.

November 2025

23 Commits • 3 Features

Nov 1, 2025

November 2025 was focused on stabilizing CI, accelerating mainline validation, and improving test infrastructure and reporting reliability for NVIDIA/TensorRT-LLM. Key outcomes include keeping CI green during critical windows by waiving failing tests on main/pre-merge, expanding test infrastructure to support RTX Pro 6000 scenarios, and optimizing resource usage and reporting. These efforts reduce test noise, speed PR/merge cycles, and improve confidence in release readiness.

October 2025

16 Commits • 2 Features

Oct 1, 2025

October 2025: Focused on stabilizing CI and accelerating release throughput for nv-auto-deploy/TensorRT-LLM. Achievements include hardening CI with test waivers, skips, and pipeline/config tweaks; introducing a Slurm-based test distribution split algorithm; and fixing Slurm exit code propagation to surface failures reliably.

September 2025

17 Commits • 2 Features

Sep 1, 2025

September 2025 — nv-auto-deploy/TensorRT-LLM: Stabilized CI and hardware test validation to accelerate mainline delivery. Key actions included comprehensive CI/test waiver management, test-stage controls, and hardware environment stabilization to handle GPU driver variants and resource-based RTX Pro 6000 test scheduling. These changes reduced CI blockers, improved test reliability, and expanded hardware coverage, enabling safer releases and faster PR validation.

August 2025

21 Commits • 4 Features

Aug 1, 2025

August 2025: Infra and test automation improvements across nv-auto-deploy/TensorRT-LLM, delivering tangible business value through faster, more reliable CI, expanded hardware coverage, and robust deployment retry logic. Key changes include: refactored gb200 test stages for isolation; added RTX Pro 6000 test stages; implemented 3x SSH cluster retry; waiving flaky tests on main and release branches to reduce CI noise; unwaived an updated test; fixed guardwords to improve test detection. These changes reduced flaky failures, shortened feedback loops, improved failure diagnosability, and strengthened release confidence.

July 2025

14 Commits • 2 Features

Jul 1, 2025

July 2025 monthly summary for nv-auto-deploy/TensorRT-LLM. Key features delivered, major bugs fixed, overall impact, and technologies demonstrated focused on stability, reliability, and reproducible builds to accelerate business value. Key features delivered: - CI Stability and Test Timeouts Improvements: Adjusted test timeouts across configurations; unwaived a fixed test; default timeout set to 1 hour; increased unittest execution window to accommodate long-running tests, reducing flaky failures and test churn. - Dependency Pinning for Triton: Pin the Triton package to version 3.3.1 to ensure reproducible builds and compatibility with the rest of the stack. Major bugs fixed: - Waives Management and Skipping Known Failing Tests: Implemented and maintained waived lists, test decorators, and post-merge CI adjustments to unblock releases; integrated with Slurm waives and explicit skip markers to prevent known issues from blocking mainline and releases. Overall impact and accomplishments: - Significantly improved CI reliability and predictability of release pipelines by reducing flaky test blockers and stabilizing long-running test executions, enabling faster feedback and safer mainline merges. - Achieved a more stable and reproducible build surface through explicit dependency pinning, reducing environment drift and integration risk. Technologies and skills demonstrated: - CI infrastructure tuning, test orchestration, and waiver workflow management; Slurm integration for test waivers; dependency pinning strategies; Python scripting and Git-based change traceability.

June 2025

11 Commits • 2 Features

Jun 1, 2025

June 2025 monthly summary for nv-auto-deploy/TensorRT-LLM. Focused on stabilizing CI/test infrastructure and upgrading the NVIDIA software stack to improve reliability, coverage, and performance for GPU-accelerated LLM deployments. Delivered concrete enhancements to test automation, GPU model coverage, and build environment, enabling faster, more deterministic validation prior to release.

May 2025

7 Commits • 3 Features

May 1, 2025

May 2025: Strengthened test reliability, streamlined CI, and expanded automation across two repositories, driving faster feedback, higher stability, and stronger security posture. Delivered targeted infrastructure improvements, CI workflow automation, and environment standardization to support reliable releases and scalable development velocity.

April 2025

5 Commits • 1 Features

Apr 1, 2025

In April 2025, nv-auto-deploy/TensorRT-LLM focused on modernizing and stabilizing the testing infrastructure to improve reliability, reporting quality, and coverage for GPU-related validation. The changes align CI/CD with current practices and reduce noise in test results, enabling faster feedback and safer releases.

Activity

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Quality Metrics

Correctness81.0%
Maintainability84.2%
Architecture75.4%
Performance78.4%
AI Usage21.2%

Skills & Technologies

Programming Languages

CMakeLists.txtCUDADockerfileGroovyMarkdownPythonShellTextYAMLtext

Technical Skills

AI model integrationAutomationBuild SystemsCI/CDCUDA programmingCode HygieneCode RefactoringConfiguration ManagementContainerizationContinuous IntegrationDependency ManagementDevOpsDockerDocumentationGPU Programming

Repositories Contributed To

3 repos

Overview of all repositories you've contributed to across your timeline

nv-auto-deploy/TensorRT-LLM

Apr 2025 Oct 2025
7 Months active

Languages Used

GroovyMarkdownPythonShellYAMLCMakeLists.txtDockerfileText

Technical Skills

CI/CDConfiguration ManagementDocumentationIntegration TestingJenkinsJenkins Pipeline

NVIDIA/TensorRT-LLM

Nov 2025 Feb 2026
4 Months active

Languages Used

GroovyPythonYAMLCUDAShell

Technical Skills

CI/CDContinuous IntegrationDevOpsKubernetesPytestPython

NVIDIA/recsys-examples

May 2025 May 2025
1 Month active

Languages Used

GroovyYAML

Technical Skills

AutomationCI/CDGitHub ActionsJenkins

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