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Add cmake variable to set the max app thread stack size (#346)

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Wenyong Huang
2020-08-11 14:47:24 +08:00
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parent 8ad9c1775f
commit 8c820730ba
4 changed files with 21 additions and 3 deletions
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doc/build_wamr.md
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@ -68,6 +68,10 @@ cmake -DWAMR_BUILD_PLATFORM=linux -DWAMR_BUILD_TARGET=ARM
- **WAMR_DISABLE_HW_BOUND_CHECK**=1/0, default to enable if not set and supported by platform
> Note: by default only platform linux/darwin/android/vxworks 64-bit will enable boundary check with hardware trap in AOT or JIT mode, and the wamrc tool will generate AOT code without boundary check instructions in all 64-bit targets except SGX to improve performance.
#### **Set maximum app thread stack size**
- **WAMR_APP_THREAD_STACK_SIZE_MAX**=n, default to 8 MB (8388608) if not set
> Note: the AOT boundary check with hardware trap mechanism might consume large stack since the OS may lazily grow the stack mapping as a guard page is hit, we may use this configuration to reduce the total stack usage, e.g. -DWAMR_APP_THREAD_STACK_SIZE_MAX=131072 (128 KB).
**Combination of configurations:**
We can combine the configurations. For example, if we want to disable interpreter, enable AOT and WASI, we can run command: