facebook/fboss
Sep 2025 – Apr 2026
5 Months active
Languages Used
C++CSVJSONPythonShell
Technical Skills
C++ developmenthardware integrationtestingconfiguration managementdata serializationnetworking
SarahFu
PROFILE
Sarahfu
Sarah Fu contributed to the facebook/fboss repository by developing and integrating platform support and configuration features for new hardware, including the Anacapa and Ladakh800bcls platforms. She implemented C++ platform mapping and data serialization workflows, updated lane mapping and polarity for 400G mode, and aligned port configurations for retimer chip upgrades. Her work involved Python scripting, configuration management, and close coordination with hardware teams to ensure software matched evolving hardware requirements. Sarah validated her changes through pre-commit checks, end-to-end test plans, and large-scale interface bring-up, demonstrating depth in embedded systems, networking, and system programming across multiple hardware generations.
Overall Statistics
Feature vs Bugs
80%Features
Repository Contributions
5Total
Bugs
1
Commits
5
Features
4
Lines of code
150,197
Activity Months5
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aalamsi22Member
Work History
April 2026
1 Commits • 1 Features
Apr 1, 2026April 2026 monthly summary: Delivered hardware-aligned port configuration for the Retimer chip upgrade in fboss. Updated SI settings for ASIC and retimer ports; adjusted static mapping due to retimer pinout change from EVT1A to EVT1B; regenerated JSON and CPP artifacts to reflect changed CSVs; validated all 500 x 400G ports are operational with the new settings. Commit 0256dd25bd8e45167162335c68fc500c4efc4bbb; PR #1027; pre-submission checks passed; end-to-end verification completed.
1 Commits • 1 Features
Apr 1, 2026April 2026 monthly summary: Delivered hardware-aligned port configuration for the Retimer chip upgrade in fboss. Updated SI settings for ASIC and retimer ports; adjusted static mapping due to retimer pinout change from EVT1A to EVT1B; regenerated JSON and CPP artifacts to reflect changed CSVs; validated all 500 x 400G ports are operational with the new settings. Commit 0256dd25bd8e45167162335c68fc500c4efc4bbb; PR #1027; pre-submission checks passed; end-to-end verification completed.
April 2026
March 2026
1 Commits • 1 Features
Mar 1, 2026March 2026 — Facebook/fboss: Delivered 400G mode support by updating TH6 lane mapping and polarity. Adjusted ladakh800bcls_static_mapping.csv to enable 400G operation and ensure RACK compatibility. Verified scale readiness with 500 interfaces up (as per test plan). This work expands high-density deployment capability and strengthens interoperability with retimer HW.
March 2026
1 Commits • 1 Features
Mar 1, 2026March 2026 — Facebook/fboss: Delivered 400G mode support by updating TH6 lane mapping and polarity. Adjusted ladakh800bcls_static_mapping.csv to enable 400G operation and ensure RACK compatibility. Verified scale readiness with 500 interfaces up (as per test plan). This work expands high-density deployment capability and strengthens interoperability with retimer HW.
November 2025
1 Commits • 1 Features
Nov 1, 2025Month: 2025-11 — Facebook FBOSS repository (facebook/fboss): Implemented Ladakh800bcls platform support in the Forwarding Stack. Added platform mapping code and integration hooks to enable FBOSS to manage Ladakh800bcls hardware within the existing forwarding architecture. The work produced new mapping C++ files, integrated into the agent services, and aligned with the platform onboarding flow. Quality and verification steps included pre-commit checks and clang-format passing for the changes, with the commit c1d4746dd167157665a8d579eb753f465375d093 and Pull Request #620 (Differential Revision: D86055190). Validation plan covered building fboss_hw_agent/sai_test binaries with SAI and a planned test run on Ladakh800bcls to ensure stability. Business impact includes expanded hardware platform coverage, faster onboarding for Ladakh800bcls, and strengthened reliability of the forwarding stack. Demonstrated skills in C++ platform mapping, FBOSS Forwarding Stack integration, code quality discipline, and SAI test readiness.
1 Commits • 1 Features
Nov 1, 2025Month: 2025-11 — Facebook FBOSS repository (facebook/fboss): Implemented Ladakh800bcls platform support in the Forwarding Stack. Added platform mapping code and integration hooks to enable FBOSS to manage Ladakh800bcls hardware within the existing forwarding architecture. The work produced new mapping C++ files, integrated into the agent services, and aligned with the platform onboarding flow. Quality and verification steps included pre-commit checks and clang-format passing for the changes, with the commit c1d4746dd167157665a8d579eb753f465375d093 and Pull Request #620 (Differential Revision: D86055190). Validation plan covered building fboss_hw_agent/sai_test binaries with SAI and a planned test run on Ladakh800bcls to ensure stability. Business impact includes expanded hardware platform coverage, faster onboarding for Ladakh800bcls, and strengthened reliability of the forwarding stack. Demonstrated skills in C++ platform mapping, FBOSS Forwarding Stack integration, code quality discipline, and SAI test readiness.
November 2025
October 2025
1 Commits • 1 Features
Oct 1, 2025Concise monthly summary for 2025-10 focused on fboss platform onboarding work for Anacapa and related mapping configurations.
October 2025
1 Commits • 1 Features
Oct 1, 2025Concise monthly summary for 2025-10 focused on fboss platform onboarding work for Anacapa and related mapping configurations.
September 2025
1 Commits
Sep 1, 2025Concise monthly overview for 2025-09 focused on delivering reliability and cross-ASIC parity error handling improvements in the facebook/fboss repository. The key delivery this month was a targeted bug fix to HwParityErrorTest.verifyParityError on the icecube platform, extending test coverage to include ASIC_TYPE_TOMAHAWK6 and ensuring parity error detection remains accurate across multiple ASIC types. This work strengthens platform reliability and reduces false negatives in parity error reporting, supporting broader hardware validation workflows.
1 Commits
Sep 1, 2025Concise monthly overview for 2025-09 focused on delivering reliability and cross-ASIC parity error handling improvements in the facebook/fboss repository. The key delivery this month was a targeted bug fix to HwParityErrorTest.verifyParityError on the icecube platform, extending test coverage to include ASIC_TYPE_TOMAHAWK6 and ensuring parity error detection remains accurate across multiple ASIC types. This work strengthens platform reliability and reduces false negatives in parity error reporting, supporting broader hardware validation workflows.
September 2025
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Quality Metrics
Correctness100.0%
Maintainability84.0%
Architecture92.0%
Performance88.0%
AI Usage40.0%
Skills & Technologies
Programming Languages
C++CSVJSONPythonShell
Technical Skills
C++ developmentC++ programmingPython scriptingconfiguration managementdata serializationembedded systemshardware integrationnetworkingplatform developmentsystem architecturesystem programmingtesting
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