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base repository: ipsilon/evmone
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head repository: luxcpp/evm
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  • 7 commits
  • 62 files changed
  • 1 contributor

Commits on Apr 5, 2026

  1. feat: GPU parallel execution scaffolding (Block-STM + Metal/CUDA) 

    - evm::gpu::MvMemory — multi-version data structure for optimistic concurrency
- evm::gpu::Scheduler — Block-STM collaborative task scheduler
- evm::gpu::execute_block() — dispatcher for CPU/GPU backends
- Backends: CPU_Sequential, CPU_Parallel, GPU_Metal, GPU_CUDA
- GPU paths fall back to CPU parallel until kernels are implemented
    @hanzo-dev
    hanzo-dev committed Apr 5, 2026
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  2. rename: lib/evmone → lib/evm (generic EVM namespace)

    @hanzo-dev
    hanzo-dev committed Apr 5, 2026
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  3. feat: Block-STM parallel engine + Metal Keccak-256 GPU 

    - parallel_engine: real Block-STM with evmone workers via EVMC Host
- parallel_host: intercepts storage via MvMemory for conflict detection
- Metal Keccak-256: 13x speedup (17.1 Mhash/s GPU vs 1.3 Mhash/s CPU)
- bench_parallel: 2.19x speedup on 500 tx block (CPU parallel)
- All in evm::gpu namespace
    @hanzo-dev
    hanzo-dev committed Apr 5, 2026
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  4. rename: evmone namespace → evm, add block execution benchmark 

    - namespace evmone → evm in all lib/evm/ sources (26 files)
- library target: libevmone → libevm
- project name: evmone → evm
- EVMC ABI preserved (evmc_create_evmone unchanged)
- bench_block.cpp: sequential vs Block-STM parallel comparison
- evm-gpu static lib + evm-bench-block executable
    @hanzo-dev
    hanzo-dev committed Apr 5, 2026
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  5. feat: unified GPU state hashing via luxcpp/gpu 

    - GpuStateHasher wraps luxcpp/gpu keccak256_batch API
- auto_detect() + set_backend() for runtime GPU toggle
- All 3 modes (sequential, parallel, GPU) produce identical results
- 21 tests passing (mode consistency + Keccak known vectors)
    @hanzo-dev
    hanzo-dev committed Apr 5, 2026
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  6. feat: C++ state layer + GPU EVM opcode kernel (Metal)

    @hanzo-dev
    hanzo-dev committed Apr 5, 2026
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  7. fix: JUMPDEST validation, balance underflow check, EVMC host completion 

    - evm_kernel.metal: added is_valid_jumpdest() that scans bytecode from
  offset 0 skipping PUSH data, used by both JUMP and JUMPI opcodes
- state_db.cpp: replaced assert(balance >= amount) with
  throw std::logic_error for release-safe balance underflow detection
- evmc_host.hpp: expanded host interface for full EVM compatibility
- evm_interpreter.hpp: additional opcode support in GPU interpreter
    @hanzo-dev
    hanzo-dev committed Apr 5, 2026
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