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Profiling the execution counts and timing of individual bytecode operations.
Distinct from Runtime Performance Profiling: Distinct from Runtime Performance Profiling: focuses specifically on the count and timing of interpreter operations rather than general system resource usage.
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Wasm3 是一个专为嵌入式运行时集成而设计的 WebAssembly 解释器。它支持在微控制器和资源受限的硬件上执行便携式二进制逻辑,并支持利用 WebAssembly 系统接口(WASI)与系统资源交互的模块。 该运行时采用基于寄存器的字节码解释和直接线程调度,将虚拟寄存器映射到物理 CPU 寄存器。它包括一个主机调用接口,用于将导入映射到 C 函数,并利用静态模块验证来确保字节码在执行前符合规范规则。 该项目通过线性内存分配限制和指令级 Gas 计量提供资源管理,以防止无限循环和系统耗尽。可观测性通过执行追踪、流监控和解释器操作分析来处理。为了开发和质量保证,该运行时包含一个交互式 REPL 并支持覆盖率引导的模糊测试。
Analyzes execution speed and tracks operation counts to identify bottlenecks in binary code.