May 2026 – Tenstorrent/tt-kmd: Focused on elevating observability, developer productivity, and CI reliability. Delivered a comprehensive Tenstorrent driver logging framework with developer templates and workflows, enabling enhanced tracing and debugging, along with standardized intake for issues. Established cross-platform build and testing workflows to accelerate feedback and reduce integration risk across environments.

April 2026 monthly highlights for tenstorrent/tt-zephyr-platforms. Key features delivered include the Tensix Tile Reset API Enhancement, which adds a per-tile reset API message to enable finer-grained remote management of Tensix tiles; this work also updates 19.9 release notes and provides a documentation link for easy reference. Major bug fixes include the Preserve User Settings During Reset by Safe AICLK Frequency, implementing a safe AICLK reset setter to ensure user configurations remain intact and prevent unintended changes during reset operations. Overall impact includes more granular control over firmware resets, improved reliability of reset workflows, and reduced risk of user settings drift across resets. Technologies demonstrated include embedded firmware API design, clock/frequency management, release notes/documentation integration, and collaboration across the development lifecycle.

March 2026 (2026-03) performance recap for tenstorrent/tt-zephyr-platforms Key features delivered: - Documentation updates: Mimir emulation note added to index.rst; VF curve release notes; GDDR telemetry release notes; TT-SMI upgrade notes; LLK Unpacker fix release note. - Memory/Power improvements: New V/F curve processing path; voltage margin adjusted to 25 mV for the new curve; wake PHY before GDDR reset to ensure reliable initialization; BIST status are now stored and surfaced in telemetry; fix to avoid setting completion when BIST is hung. - System/IO: TT Grendel SMC DMA driver bindings and DMA driver implementation; upstream DMA tests for Grendel SMC (chan_blen_transfer and scatter_gather). - Tensix/SMC enhancements: LLK injection and UNPACR injection after tensix boot; new SMC message to reset a specific Tensix; new tensix init function; added NOC/tensix coordinate helpers; new tensix reset message handler; generic counter messaging added. - Tests and QA: e2e_smoke fmin lowered to 95 to reflect new V/F curve behavior; increased tt_boot_fs timeout to 120 seconds; e2e_smoke test now checks GDDR status during reset; pytest smoke/stress tests for SMC Tensix reset message; counter message test for get/reset/freeze counters; release notes include throttler counter and counter messaging. - CI/Release hygiene: West manifest SHA updated to include compliance fixes; LicenseAndCopyrightCheck.txt added to .gitignore; general release note updates (LLK Unpacker fix). Overall impact and accomplishments: - Increased reliability and visibility of memory and GDDR initialization, reducing reset-time failures and improving telemetry fidelity for GDDR/BH arc subsystems. - Faster, more targeted CI iterations due to DMA driver enablement and Tensix/SFC messaging enhancements, plus updated release notes for downstream users. - Strengthened cross-module integration (DMA, GDDR/BH arc, Tensix, telemetry) enabling safer upgrades and better observability. Technologies and skills demonstrated: - C kernel/driver development (DMA, Grendel SMC, bh_arc, tensix modules) - Zephyr-based firmware work and release engineering (west.yml, release notes) - Telemetry design and data modeling (BIST status integration; release notes) - Testing discipline (e2e tests, pytest coverage, timing adjustments) - Documentation discipline (index.rst, release notes)

February 2026 monthly summary for Zephyr and Tenstorrent platforms. Focused on reliability, traceability, and release readiness. Key achievements span DMA robustness, watchdog/SMBus resilience, GDDR reset capabilities, MRISC power-state visibility, and release engineering enhancements.

January 2026 monthly summary for tenstorrent/tt-zephyr-platforms focusing on reliability, native simulation fidelity, and developer tooling. Delivered key platform enhancements and reinforced sensor robustness, with targeted documentation updates to reduce onboarding friction and improve maintainability.

December 2025: Delivered a robust firmware and release-engineering package for tenstorrent/tt-zephyr-platforms. Key outcomes include the 19.3.0 firmware release with Doppler Power Management and improved GDDR bandwidth, along with SMC v0.25.0 and DMC v0.19.0 updates and version-file patches. Initiated 19.4.0 draft release notes and migration guide. Implemented release automation improvements including signoff on version updates and a new update_versions.sh script, plus enhanced release docs. These efforts delivered tangible performance and reliability gains, reduced release risk, and clearer upgrade paths for customers.

November 2025 performance focused on delivering robust DMA capabilities, Zephyr integration, and hardware feature work across tenstorrent/tt-zephyr-platforms, renesas/zephyr, and nrfconnect/sdk-zephyr. Key outcomes include 64-byte DMA alignment and memory handling improvements, migration to the Zephyr DMA driver with a transfer wrapper, per-node DMA enablement for Blackhole, a spinlock stability fix in the DMA ARC HS driver, and Tenstorrent DMC LED blinky support. These efforts improve data integrity, hardware compatibility, and system reliability, while enhancing test coverage and enabling smoother upstream collaboration and release readiness (v19.3.0-rc1).

October 2025 monthly summary for the Tenstorrent tt-zephyr-platforms workstream focusing on hardware platform enablement, test automation, and documentation modernization. Key work delivered includes implementation of the Tenstorrent NOC DMA subsystem (binding, driver, device-tree node, and board configuration) with dedicated DMA tests; enhancements to PVT telemetry and end-to-end testing (parsing, formatting, and telem reporting); and AI-assisted release notes modernization for version 18.12.0. These efforts improve data-path reliability, test coverage, and release documentation speed, supporting platform reliability and faster time-to-market.

September 2025 monthly summary for tenstorrent/tt-zephyr-platforms focused on delivering a robust Zephyr PVT sensor integration, improving code quality, and expanding test coverage. The work aligns with upstream Zephyr conventions and enhances data reliability for multi-channel PVT measurements across PD, VM, and TS. Business value is realized through maintainability, faster onboarding, and improved sensor accuracy in production deployments.

August 2025 performance summary for tenstorrent/tt-zephyr-platforms focused on delivering platform enhancements, improving testing and production readiness, and aligning telemetry with firmware data. Implemented hardware monitoring enhancements, expanded CI/testing coverage with local and P300 hardware CI, and stabilized clock control on tt_blackhole. Added validation tests for boot filesystem YAML generation and updated migration guidance for telemetry upgrades to simplify customer upgrades. Overall impact: faster validation cycles, improved observability, and stronger production reliability across Zephyr-based platforms.

July 2025 monthly summary for tenstorrent/tt-zephyr-platforms focused on boot-time modernization and telemetry enhancements for Tenstorrent hardware. Delivered an automated Boot Filesystem (BOOT FS) YAML generation flow and device-tree boot partition bindings, centralizing boot partition layout via DTS bindings and YAML generation. Expanded telemetry to capture PLL max frequencies and critical hardware limits, improving runtime health visibility and release notes. Implemented tooling and automation improvements to streamline boot FS creation, validation, and maintenance, reducing manual steps and risk.

June 2025: Delivered core platform enhancements for Tenstorrent Blackhole on tt-zephyr-platforms. Key items include GPIO API migration to Zephyr (bindings, driver, devicetree nodes, tests, and release notes) and clock control integration (bindings, driver, PLL configuration, tests). CI workflow improvements now enable safer branch cleanup (nightly removals, deletion permissions). Also fixed toolchain compatibility by incorporating the Zephyr header to support __unused macro, and updated release notes reflecting these changes. These efforts improved hardware access reliability, clock configuration stability, and developer productivity, with clearer release documentation for production deployment.