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wasm-micro-runtime/README.md
Huang Qi 0aeef69d23
Update binary size info in README.md (#3030) 
And also show size in CI with NuttX.

The size info is from bloaty, which is a tool to measure binary size.
Example usage and output (WAMR stuff only):

```
➜  sim bloaty -s file nuttx/nuttx -d compileunits -n 10000 --source-filter wamr
    FILE SIZE        VM SIZE
 --------------  --------------
  13.1%   108Ki  19.4%  14.6Ki    wamr/core/iwasm/libraries/libc-wasi/sandboxed-system-primitives/src/posix.c
  12.2%   100Ki   0.1%      50    wamr/core/iwasm/common/wasm_c_api.c
  10.6%  87.1Ki   8.7%  6.54Ki    wamr/core/iwasm/common/wasm_runtime_common.c
   9.2%  76.1Ki  12.6%  9.45Ki    wamr/core/iwasm/aot/aot_loader.c
   8.9%  73.6Ki  12.5%  9.38Ki    wamr/core/iwasm/libraries/libc-wasi/libc_wasi_wrapper.c
   7.1%  58.7Ki   9.0%  6.79Ki    wamr/core/iwasm/aot/aot_runtime.c
   3.6%  29.3Ki   5.6%  4.21Ki    wamr/core/iwasm/libraries/libc-builtin/libc_builtin_wrapper.c
   3.2%  26.2Ki   3.6%  2.73Ki    wamr/core/shared/platform/common/posix/posix_socket.c
   2.9%  24.0Ki   2.7%  2.01Ki    wamr/core/iwasm/common/wasm_memory.c
   2.8%  23.2Ki   2.3%  1.74Ki    wamr/core/iwasm/common/wasm_application.c
   2.6%  21.5Ki   3.3%  2.46Ki    wamr/core/shared/platform/common/posix/posix_file.c
   2.5%  20.4Ki   1.9%  1.45Ki    wamr/core/iwasm/common/wasm_native.c
   2.4%  20.0Ki   2.0%  1.51Ki    wamr/core/iwasm/aot/arch/aot_reloc_riscv.c
   2.1%  17.3Ki   1.6%  1.20Ki    wamr/core/iwasm/common/wasm_shared_memory.c
   2.0%  16.4Ki   2.4%  1.81Ki    wamr/core/shared/mem-alloc/ems/ems_alloc.c
   1.9%  15.9Ki   2.4%  1.81Ki    wamr/product-mini/platforms/nuttx/main.c
   1.7%  13.8Ki   1.4%  1.05Ki    wamr/core/iwasm/aot/aot_intrinsic.c
   1.5%  12.2Ki   0.4%     312    wamr/core/iwasm/common/wasm_exec_env.c
   1.4%  11.8Ki   0.8%     618    wamr/core/shared/platform/common/posix/posix_thread.c
   1.0%  8.20Ki   1.2%     952    wamr/core/shared/utils/bh_hashmap.c
   0.9%  7.52Ki   0.8%     636    wamr/core/shared/utils/bh_vector.c
   0.9%  7.46Ki   0.8%     618    wamr/core/shared/mem-alloc/ems/ems_kfc.c
   0.8%  6.89Ki   1.0%     744    wamr/core/iwasm/libraries/libc-wasi/sandboxed-system-primitives/src/blocking_op.c
   0.8%  6.65Ki   0.5%     356    wamr/core/shared/platform/nuttx/nuttx_platform.c
   0.5%  4.25Ki   0.4%     316    wamr/core/shared/utils/bh_common.c
   0.4%  3.70Ki   0.3%     248    wamr/core/shared/utils/bh_log.c
   0.4%  3.52Ki   0.4%     330    wamr/core/iwasm/libraries/libc-wasi/sandboxed-system-primitives/src/random.c
   0.4%  3.07Ki   0.1%      40    wamr/core/shared/mem-alloc/mem_alloc.c
   0.3%  2.52Ki   0.3%     196    wamr/core/shared/utils/uncommon/bh_read_file.c
   0.3%  2.36Ki   0.3%     216    wamr/core/shared/platform/common/posix/posix_clock.c
   0.3%  2.27Ki   0.1%     106    wamr/core/shared/utils/bh_list.c
   0.2%  1.91Ki   0.6%     430    wamr/core/shared/platform/common/libc-util/libc_errno.c
   0.2%  1.78Ki   0.1%      94    wamr/core/iwasm/libraries/libc-wasi/sandboxed-system-primitives/src/str.c
   0.2%  1.73Ki   0.0%       6    wamr/core/iwasm/common/wasm_blocking_op.c
   0.2%  1.42Ki   0.1%      74    wamr/core/shared/utils/bh_bitmap.c
   0.1%  1.02Ki   0.1%      82    wamr/core/shared/platform/common/posix/posix_time.c
   0.1%     751   0.2%     138    wamr/core/iwasm/common/arch/invokeNative_riscv.S
 100.0%   823Ki 100.0%  75.1Ki    TOTAL
```
2024-04-23 17:15:53 +08:00

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WebAssembly Micro Runtime

A Bytecode Alliance project

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Build WAMR | Build AOT Compiler | Embed WAMR | Export Native API | Build Wasm Apps | Samples

WebAssembly Micro Runtime (WAMR) is a lightweight standalone WebAssembly (Wasm) runtime with small footprint, high performance and highly configurable features for applications cross from embedded, IoT, edge to Trusted Execution Environment (TEE), smart contract, cloud native and so on. It includes a few parts as below:

  • VMcore: A set of runtime libraries for loading and running Wasm modules. It supports rich running modes including interpreter, Ahead-of-Time compilation(AoT) and Just-in-Time compilation (JIT). WAMR supports two JIT tiers - Fast JIT, LLVM JIT, and dynamic tier-up from Fast JIT to LLVM JIT.
  • iwasm: The executable binary built with WAMR VMcore which supports WASI and command line interface.
  • wamrc: The AOT compiler to compile Wasm file into AOT file
  • Useful components and tools for building real solutions with WAMR vmcore:
    • App-framework: A framework for supporting APIs for the Wasm applications
    • App-manager: A framework for dynamical loading the Wasm module remotely
    • WAMR-IDE: An experimental VSCode extension for developping WebAssembly applications with C/C++

Key features

Wasm post-MVP features

Supported architectures and platforms

The WAMR VMcore supports the following architectures:

  • X86-64, X86-32
  • ARM, THUMB (ARMV7 Cortex-M7 and Cortex-A15 are tested)
  • AArch64 (Cortex-A57 and Cortex-A53 are tested)
  • RISCV64, RISCV32 (RISC-V LP64 and RISC-V LP64D are tested)
  • XTENSA, MIPS, ARC

The following platforms are supported, click each link below for how to build iwasm on that platform. Refer to WAMR porting guide for how to port WAMR to a new platform.

Getting started

Performance and memory

Project Technical Steering Committee

The WAMR PTSC Charter governs the operations of the project TSC. The current TSC members:

License

WAMR uses the same license as LLVM: the Apache 2.0 license with the LLVM exception. See the LICENSE file for details. This license allows you to freely use, modify, distribute and sell your own products based on WAMR. Any contributions you make will be under the same license.

More resources