Robert Feldman Email & Phone Number

Santa Clara, California, Us

• Led Full Stack Ubuntu Integration and Bringup for SoundWire audio subsystem, on AlderLake and Raptor Lake platforms.• Coordinated efforts across Intel SOF kernel and Realtek audio codec drivers teams, to debugand resolve SoundWire Ubuntu bringup issues.• Developed audio drivers debug instrumentation and scripts to monitor and analyze state ofcodec registers and behavior of audio pipelines.• Integrated and debugged HW and SW audio subsystem components. • Customized configuration of Realtek AIOC boards, using Gen31 datasheets andschematics• Worked with HW team to enable SoundWire audio links, by reworking resistors onRVPs.• Integrated SOF firmware, kernel, and audio codec drivers patches. Customized ACPItables.• Drove validation of the full audio test suite on SoundWire enabled configurations, achieving96% pass rate. • Coordinated efforts with Platform Validation team to drive testing. • Reviewed test plans, triaged and resolved bringup issues. • Wrote documentation to enable Platform Validation and QA teams to successfullyconfigure SoundWire on Ubuntu Raptor Lake platform, to enable testing.• Brought up HDA audio subsystem on Meteor Lake power-on configuration.• Contributed to joint Intel/Microsoft effort for enabling Windows soft kernel reboot. • Represented Intel as primary POC for the Seamless Runtime Update ValidationTeam. • Analyzed system requirements, timelines, and specifications for the joint effort.• Enhanced DTAF Test Automation Framework • Support cross-product Seamless, Security, and Windows soft kernel reboot features. • Enable SecureBoot via UEFI BIOS menus, validate Seamless flows, and verifyexpected patterns of changes in PCR banks on TPM 2.0.• Enhanced Kayak Test Automation Framework to support Seamless SMM uCode and BIOSupdates.• Configured, customized, and debugged remote test servers.

• Designed an environmental management subsystem for the next-gen Pavilion Flash StorageArray, utilizing AST2600 BMC and OpenBMC Framework. Collaborated with Platform andHardware architects.• Enhanced reliability, availability, and serviceability features of Pavilion flash storage arrays.• Integrated AMI AST2600 BMC eval board, Marvell 88E6321 eth switch, and early hardwareprototypes of next-gen fan controller and PSU interface modules.• Customized OBMC stack, to monitor sensors. Brought up Active/Standby BMC configuration.• Enhanced Pavilion Storage Arrays, by adding Atmel ARM microcontroller support formanaging power and LED state on individual I/O Controllers and SSD drives.• Enhanced PCI-e fabric diagnostic to graph rates of auto-recoverable errors, and to detecterror threshold crossovers.• Wrote test automation scripts, which launch I/O stress tests on I/O Controllers and SSDdrives, and auto-validate test results.• Developed tools which monitor thermal sensors and populate CSV files, used to generate XLthermal graphs. Contributed to achieving Thermal Certification of Pavilion Storage Array.• Served as a focal point between Platform, Hardware, and Validation Teams.

• Automated update of embedded Linux BMC firmware. Contributed to increased adoption rateof the latest certified BMC packages, for multiple NetApp storage platforms.• Enhanced reliability, availability, and serviceability features of NetApp storage appliances.• Contributed to design and development of cluster-scoped BMC Management Architecture.Wrote Architecture and Functional specifications.• Developed Data ONTAP cluster-scoped BMC management features and systemadministration commands.• Added a feature which enables administrators to update all BMCs across a heterogeneous cluster to latest bundled/downloaded firmware images, by executing a single command.• Extended Data ONTAP build process to bundle BMC firmware packages and applicablecompatibility tokens, for all supported platforms.• Implemented a state machine which maintains dynamic cluster-scoped state, associated withBMC networking configurations and firmware updates.• Designed and developed tools which facilitate root cause analysis and timely resolution of customer issues caused by intermittent Broadcast storms and/or DoS attacks.• Enhanced BMC firmware to monitor Broadcast/Unicast/Multicast statistics, exposed by serialMDIO interface of the 88E6176 ethernet switch.• Modified ethernet switch configuration eeprom to throttle Broadcast/Multicast ingress rate incustomer deployments.• Led a development team to port applicable components of BMC firmware stack from legacyVSC452 Maxim SoC to AST2500 ARM SoC.• Lead BMC bringup and productization for FAS2750 and FAS9000 platforms.• Debugged and resolved bringup, productization, and customer issues.• Served as a focal point between hardware, firmware, platform, manufacturing, and QAteams.

• Contributed to development, bringup, platform upgrade, and performance optimization of virtualized Cisco Internet Streamer Engine (eCDS), integrated with VMware ESXi.• Extended eCDS build process by integrating new build units which include VmTools kernel modules, python, and openssl packages. Enabled paravirtualization functionality.• Configured several clusters of virtual machines running eCDS on Supermicro ESXi hosts, using VMware vSphere.• Characterized, analyzed, and improved eCDS performance and scalability for fully virtualized, passthrough and paravirtualized VMware configurations.

Campbell, Ca, Us

• Contributed to bringup, performance optimization and deployment of virtualized Linux HyperSpace platform on a wide range of x86 netbook platforms.• Improved functionality, performance, and quality of networking, graphics, and storage Hyperspace subsystems. Hyperspace product has been purchased by Hewlett Packard.• Integrated drivers for Atheros and Realtek wireless chipsets. Root caused and resolved OEM customer issues, including network stack, sleep/resume, and rfkill problems.• Integrated 3D high resolution Nvidia drivers, as well as X server components and backlight driver for Intel graphics chipsets.• Profiled and improved Hyperspace initialization and storage subsystem performance.

Santa Clara, Ca, Us

• Improved quality of Nvidia storage drivers to attain Windows Logo certifications.• Root caused and resolved sleep/resume, power management, and Plug-and-Play SATA/AHCI storage driver issues, escalated by OEM partners.• Isolated HW defects for early prototypes of storage controllers. Worked with Hardware team to drive and validate timely resolution of these defects.• Developed an instrumentation framework to capture internal storage drivers' events timing traces. Improved troubleshooting and performance tuning capabilities.• Characterized and tuned performance of Nvidia AHCI and Raid configurations. Performed comparative performance analysis of competitors' systems.

Houston, Texas, Us

• Contributed to performance analysis and optimization of OLTP benchmark (TPC-C) infrastructure for Integrity Superdome server. Industry leading Superdome TPC-C disclosure has been published. • Captured and analyzed temporal/spatial affinity statistics of kernel data structures’ access patterns during TPC-C runs. These experiments contributed to restructuring of key data structures to minimize cache miss latencies.• Designed and developed kernel context switch mechanism, used by vPars downcalls to transition from HP-UX guest kernel context to the Hypervisor context. Developed and synchronized mechanisms for transferring and saving interrupted kernel register state to the Hypervisor. Enabled handling of downcalls on normal or crash stacks.

San Francisco, California, Us

• Designed, developed, and optimized Communications Framework components for Distributed Transparent Logging Services Infrastructure. Optimized Interceptor performance by integrating the ACE Proactor and Reactor patterns with a streamlined HTTP Chunked Encoding parser. Identified and resolved networking, concurrency, security, and performance issues.

• Created content for three HP-UX IA64 Kernel Internals courses currently used by HP to train Engineers and Driver developers. Researched kernel algorithms, designed and created high-level architectural slides, wrote corresponding descriptive text content. Created Training Labs and Solutions, using q4 kernel debugger. Authored courses cover topics such as Thread Context Preservation Algorithms, System Calls Interface, and Interrupt Handling.

Houston, Texas, Us

• Developed a Cell Library that defined unique I/O and Memory Configuration for an Itanium Server and integrated this Library into IA64 Simulator. Implemented and validated EFI firmware security features. Developed automated build and test infrastructure for Itanium EFI firmware.

• Profiled and optimized NetPoint Secure Access Server's authentication and authorization performance on the Solaris platform. Enhanced the product by adding a credentials caching functionality and reduced overhead associated with Access Server thread synchronization.• Optimized NetPoint product deployment process by adding rule-based auto-configuration file update functionality on iPlanet Web Servers.

• Enhanced Security Enforcement Agent (firmware) and Registration Server (Java Servlets) components of the SonicWall Network Anti-Virus Service. Designed, implemented, and optimized stateful packet inspection and implemented Network Client State Caching to improve performance.

• Ported Sagent DataLoad Server product from Windows NT to Solaris platform. • Designed and developed a test framework automating regression testing and test-results verification for the Solaris DataLoad Server product.

Houston, Texas, Us

• Contributed to porting Itanium instruction set simulator (Gambit), employing a binary translation engine, from x86 platform to PA-RISC platform. • Extended Gambit by designing and developing Unix Signals Simulation Subsystem, as well as by adding support for simulation of multiple HP-UX system calls. This feature was extensively used for Itanium toolchain validation, by simulating applications compiled for Itanium platform.• Extended Gambit by adding support for collecting/reporting of simulated instruction mix statistics. This feature was used by Itanium toolchain developers to improve performance of Itanium kernel, applications, and benchmarks, before HW became available.• Developed an automated Test Framework for validating simulated instructions, system calls, and signals.• Designed and developed Unix RECOVERY kernels for several HP-UX releases, enabling a variety of diagnostic, troubleshooting, and system recovery tools to function when system drives fail. Analyzed and improved RECOVERY system performance.• Designed and developed offline I/O configuration and enumeration utilities, shared libraries and storage verification tools.