A personal publishing site for technical writing, course notes, and Typst handouts.https://jim-jimu.github.io/https://jim-jimu.github.io/blog/rl/https://jim-jimu.github.io/blog/rl/Course notes on reinforcement learning.Mon, 10 Aug 2026 00:00:00 GMThttps://jim-jimu.github.io/blog/computer-organization-system-architecture/https://jim-jimu.github.io/blog/computer-organization-system-architecture/Course index for Computer Organization and System Architecture notes, split into focused chapter posts.Mon, 06 Jul 2026 00:00:00 GMThttps://jim-jimu.github.io/blog/cover-image/https://jim-jimu.github.io/blog/cover-image/A minimal example showing how Typefolio handles cover images for long-form posts.Mon, 04 Mar 2024 00:00:00 GMThttps://jim-jimu.github.io/blog/operating-systems/https://jim-jimu.github.io/blog/operating-systems/Course notes on operating-system concepts, processes, scheduling, concurrency, and deadlocks.Fri, 10 Jul 2026 00:00:00 GMThttps://jim-jimu.github.io/blog/testing/long-title/https://jim-jimu.github.io/blog/testing/long-title/This post is purely for testing if the css is correct for the title on the pageWed, 01 Feb 2023 00:00:00 GMThttps://jim-jimu.github.io/blog/testing/missing-content/https://jim-jimu.github.io/blog/testing/missing-content/This post is purely for testing the table of content, which should not be renderedWed, 22 Feb 2023 00:00:00 GMThttps://jim-jimu.github.io/blog/typefolio-blog-components/https://jim-jimu.github.io/blog/typefolio-blog-components/A guided tour of the reusable blog components and rich-content patterns built into Typefolio.Wed, 04 Feb 2026 00:00:00 GMThttps://jim-jimu.github.io/blog/rl/chap1/https://jim-jimu.github.io/blog/rl/chap1/Basic concepts in reinforcement learning.Mon, 10 Aug 2026 00:00:00 GMThttps://jim-jimu.github.io/blog/rl/chap2/https://jim-jimu.github.io/blog/rl/chap2/Bellman EquationTue, 11 Aug 2026 00:00:00 GMThttps://jim-jimu.github.io/blog/rl/chap3/https://jim-jimu.github.io/blog/rl/chap3/Optimal Policy and Bellman Optimality EquationWed, 12 Aug 2026 00:00:00 GMThttps://jim-jimu.github.io/blog/rl/chap4/https://jim-jimu.github.io/blog/rl/chap4/Value Iteration and Policy IterationWed, 12 Aug 2026 00:00:00 GMThttps://jim-jimu.github.io/blog/computer-organization-system-architecture/cache/https://jim-jimu.github.io/blog/computer-organization-system-architecture/cache/Course notes on memory hierarchy, cache mapping, direct-mapped caches, cache reads and writes, miss types, associativity, replacement, LRU, and AMAT.Mon, 06 Jul 2026 00:00:00 GMThttps://jim-jimu.github.io/blog/computer-organization-system-architecture/datapath-control/https://jim-jimu.github.io/blog/computer-organization-system-architecture/datapath-control/Course notes on pipelining, finite state machines, combinational logic, datapath construction, control, loads, stores, branches, JALR, U-types, and CSRs.Mon, 06 Jul 2026 00:00:00 GMThttps://jim-jimu.github.io/blog/computer-organization-system-architecture/floating-point/https://jim-jimu.github.io/blog/computer-organization-system-architecture/floating-point/Course notes on floating-point representation, IEEE 754, special values, denormals, rounding, and floating-point addition.Mon, 06 Jul 2026 00:00:00 GMThttps://jim-jimu.github.io/blog/computer-organization-system-architecture/formats-logic/https://jim-jimu.github.io/blog/computer-organization-system-architecture/formats-logic/Course notes on RISC-V instruction formats, switches, transistors, accumulators, registers, flip-flops, and related logic concepts.Mon, 06 Jul 2026 00:00:00 GMThttps://jim-jimu.github.io/blog/computer-organization-system-architecture/number-representation/https://jim-jimu.github.io/blog/computer-organization-system-architecture/number-representation/Course notes on binary, octal, decimal, hexadecimal, unsigned values, signed encodings, two's complement, and bias encoding.Mon, 06 Jul 2026 00:00:00 GMThttps://jim-jimu.github.io/blog/computer-organization-system-architecture/parallelism/https://jim-jimu.github.io/blog/computer-organization-system-architecture/parallelism/Course notes on polling, interrupts, DMA, Flynn taxonomy, SIMD, multicore, threads, OpenMP, synchronization, cache coherence, false sharing, and memory consistency.Mon, 06 Jul 2026 00:00:00 GMThttps://jim-jimu.github.io/blog/computer-organization-system-architecture/risc-v-assembly/https://jim-jimu.github.io/blog/computer-organization-system-architecture/risc-v-assembly/Course notes on RISC-V registers, arithmetic, immediates, memory addressing, loads, stores, branches, calls, stack usage, and memory allocation.Mon, 06 Jul 2026 00:00:00 GMThttps://jim-jimu.github.io/blog/computer-organization-system-architecture/virtual-memory/https://jim-jimu.github.io/blog/computer-organization-system-architecture/virtual-memory/Course notes on operating-system functions, virtual memory, physical memory, paging, page faults, hierarchical page tables, TLBs, and VM performance.Mon, 06 Jul 2026 00:00:00 GMThttps://jim-jimu.github.io/blog/social-image/https://jim-jimu.github.io/blog/social-image/An example post for Astro Typefolio, detailing how to add a custom social image card in the frontmatterTue, 25 Mar 2025 00:00:00 GMThttps://jim-jimu.github.io/blog/start-writing-with-typefolio/https://jim-jimu.github.io/blog/start-writing-with-typefolio/The writing workflow for this site: regular notes in Markdown, formal handouts in Typst, and PDFs embedded in pages.Mon, 06 Jul 2026 00:00:00 GMThttps://jim-jimu.github.io/blog/markdown-elements/https://jim-jimu.github.io/blog/markdown-elements/A reference post covering the Markdown and MDX-friendly formatting available in Typefolio.Sun, 22 Feb 2026 00:00:00 GMThttps://jim-jimu.github.io/blog/operating-systems-chap4/https://jim-jimu.github.io/blog/operating-systems-chap4/Course notes on operating-system concepts, processes, scheduling, concurrency, and deadlocks.Fri, 10 Jul 2026 00:00:00 GMT