~/talks

Khem Raj

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Embedded Linux Conference Annual Closing GameOpen Source Summit + Embedded Linux Conference + OSPOCon 20212021-09-27
Hybrid live trivia and party game that runs on closinggame.net with in‑room red/green cards and online registration, prizes (LWN subscriptions and gift cards)…
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Build RISCV based IOT Systems using Yocto ProjectRISC-V Forum: Embedded Technologies 20212021-07-21
Builds RISC‑V Linux images and SDKs using Yocto Project for QEMU and boards Freedom U540 and BeagleV (beta), with rv64gc and rv32gc support and musl for 32‑bit…
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How the Yocto Project Addressed Comcast RDK Scalability IssuesOpen Source Summit Europe + Embedded Linux Conference Europe 20192019-10-28
Comcast migrates RDK from a homegrown build into the Yocto Project and Linaro toolchain and reduces vendor control so operators regain ownership of the stack…
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A Few Effective gcc/clang Optimizations for Embedded SystemsOpen Source Summit + Embedded Linux Conference North America 20192019-08-21
Practical, measurable gcc/clang tactics to shrink and speed embedded Linux binaries: generate and inspect linker map files and binaries with objdump, size, nm…
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Embedded Linux on RISC-V Architecture - Status ReportOpen Source Summit Europe & ELC + OpenIoT Summit Europe 20182018-10-22
Status: toolchain and userspace move upstream — GCC and glibc upstream and LLVM/lld largely landed — QEMU emulator support is in QEMU 2.12 emulator works and…
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OpenEmbedded/Yocto on RISC-V - New Kid on the BlockEmbedded Linux Conference + OpenIoT Summit North America 20182018-03-12
OpenEmbedded/Yocto already builds 64-bit RISC-V images: core-image-minimal, core-image-base and core-image-full-cmdline compile and run under QEMU with…
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Optimizing C for Microcontrollers - Best PracticesEmbedded Linux Conference + OpenIoT Summit North America 20172017-02-21
Walks through concrete GCC+Zephyr examples: compiles a Hello World at various -O levels and demonstrates -Og for debuggable optimization, uses objdump -dS and…
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GCC/Clang Optimizations for Embedded LinuxEmbedded Linux Conference + OpenIoT Summit North America 20172017-02-21
Describes practical compiler levers for embedded Linux with exact flags and tradeoffs including -Os vs -O3 for size versus speed and the reason -O3 inflates…
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Clinging to ClangEmbedded Linux Conference + OpenIoT Summit Europe 20162016-10-11
Clang serves as a usable cross‑compiler for Embedded Linux with concrete work: WebKit builds in 2297s vs 2838s (clang vs GCC), OpenEmbedded gets a meta‑layer…
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Bringing kconfig to EGLIBCEmbedded Linux Conference 20132013-02-20
Eglibc gains real kernel kconfig support via applied patches that wire kconfig-frontends into the eglibc build, using a pre-processing step to translate…
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