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Refactor Orc JIT to enable lazy compilation (#974)

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Refactor LLVM Orc JIT to actually enable the lazy compilation and speedup
the launching process:
  https://llvm.org/docs/ORCv2.html#laziness

Main modifications:
- Create LLVM module for each wasm function, wrap it with thread safe module
  so that the modules can be compiled parallelly
- Lookup function from aot module instance's func_ptrs but not directly call the
  function to decouple the module relationship
- Compile the function when it is first called and hasn't been compiled
- Create threads to pre-compile the WASM functions parallelly when loading
- Set Lazy JIT as default, update document and build/test scripts
This commit is contained in:
Wenyong Huang
2022-01-20 18:40:13 +08:00
committed by GitHub
parent 260d36a62d
commit 7636d86a76
27 changed files with 861 additions and 464 deletions
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6
.github/workflows/compilation_on_sgx.yml vendored
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@ -31,8 +31,8 @@ env:
AOT_BUILD_OPTIONS: "-DWAMR_BUILD_AOT=1 -DWAMR_BUILD_FAST_INTERP=0 -DWAMR_BUILD_INTERP=0 -DWAMR_BUILD_JIT=0 -DWAMR_BUILD_LAZY_JIT=0"
CLASSIC_INTERP_BUILD_OPTIONS: "-DWAMR_BUILD_AOT=0 -DWAMR_BUILD_FAST_INTERP=0 -DWAMR_BUILD_INTERP=1 -DWAMR_BUILD_JIT=0 -DWAMR_BUILD_LAZY_JIT=0"
FAST_INTERP_BUILD_OPTIONS: "-DWAMR_BUILD_AOT=0 -DWAMR_BUILD_FAST_INTERP=1 -DWAMR_BUILD_INTERP=1 -DWAMR_BUILD_JIT=0 -DWAMR_BUILD_LAZY_JIT=0"
JIT_BUILD_OPTIONS: "-DWAMR_BUILD_AOT=1 -DWAMR_BUILD_FAST_INTERP=0 -DWAMR_BUILD_INTERP=0 -DWAMR_BUILD_JIT=1 -DWAMR_BUILD_LAZY_JIT=0"
LAZY_JIT_BUILD_OPTIONS: "-DWAMR_BUILD_AOT=1 -DWAMR_BUILD_FAST_INTERP=0 -DWAMR_BUILD_INTERP=0 -DWAMR_BUILD_JIT=1 -DWAMR_BUILD_LAZY_JIT=1"
MC_JIT_BUILD_OPTIONS: "-DWAMR_BUILD_AOT=1 -DWAMR_BUILD_FAST_INTERP=0 -DWAMR_BUILD_INTERP=0 -DWAMR_BUILD_JIT=1 -DWAMR_BUILD_LAZY_JIT=0"
LLVM_CACHE_SUFFIX: "build-llvm_libraries_ex"
jobs:
@ -116,8 +116,8 @@ jobs:
$CLASSIC_INTERP_BUILD_OPTIONS,
$FAST_INTERP_BUILD_OPTIONS,
# doesn't support
# $JIT_BUILD_OPTIONS,
# $LAZY_JIT_BUILD_OPTIONS,
# $MC_JIT_BUILD_OPTIONS,
$AOT_BUILD_OPTIONS,
]
make_options_feature: [
@ -208,8 +208,8 @@ jobs:
$CLASSIC_INTERP_BUILD_OPTIONS,
$FAST_INTERP_BUILD_OPTIONS,
# doesn't support
#$JIT_BUILD_OPTIONS,
#$LAZY_JIT_BUILD_OPTIONS,
#$MC_JIT_BUILD_OPTIONS,
#$AOT_BUILD_OPTIONS,
]
os: [ubuntu-20.04]