derek.holloway
7502bf64a4
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2.3 KiB
2.3 KiB
Changelog
All notable changes to rocjitsu are documented here. Format follows Keep a Changelog. Versioning follows Semantic Versioning.
[0.3.0] - 2026-07-17
Added
- Public
rj_daemon_start(),rj_daemon_stop(), andrj_daemon_status()APIs for hosting a daemon-mode VM and its Unix-socket RPC server inlibrocjitsu
Changed
- Use the shared daemon lifecycle implementation from both the RocJitsu CLI and Mirage, eliminating their duplicate RPC server implementations
- Accept JSON configuration contents directly in
rj_daemon_start()while retaining path-based configuration at the frontend command-line interfaces - Harden daemon startup and shutdown with stale-socket recovery, socket identity checks, active-client interruption, and ordered thread cleanup
[0.2.0] - 2026-06-23
Changed
- Serve the amdgpu/DRM ioctl ABI natively so upstream libdrm_amdgpu runs unmodified over the simulator; DRM device discovery and queries are handled at the syscall layer instead of by intercepting libdrm library symbols
- BREAKING:
rj_vm_device_open()now takes a connecting client's PID:rj_vm_device_open(vm, rj_client_pid_t client_pid, uint32_t *process_id). The newrj_client_pid_tis a fixed-width (int32_t) typedef so the public header stays OS- and ABI-width-agnostic. Pass 0 in local mode; a nonzero PID enables daemon-mode process reuse and cross-process memory access
Added
- Daemon-mode multi-process client support: per-client process reuse, client-PID identification via SO_PEERCRED, and cross-process GPU memory access
- Vendored kernel DRM UAPI headers (drm.h, amdgpu_drm.h, drm_mode.h) for native amdgpu ioctl struct fidelity
[0.1.0] - 2026-06-04
Added
- Daemon-based GPU simulator via LD_PRELOAD interposition
- ISA execution engine with codegen pipeline (10 AMDGPU targets + RISC-V)
- AQL packet dispatch with doorbell-monitored hardware queues
- Multi-GPU topology with per-GPU command processors
- KFD driver emulation (ioctls, mmap, event system, VMID page tables)
- HIP kernel tests (vector_add, memcpy, GEMM)
- RCCL collective tests (AllReduce, Broadcast, AllGather, ReduceScatter, SendRecv)
- CLI with local, daemon, and attach modes
- JSON-configurable SoC topology