Update wasm3 to 0.5.0 #739
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@@ Coverage Diff @@
## master #739 +/- ##
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- Coverage 99.27% 99.27% -0.01%
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Files 88 88
Lines 13296 13158 -138
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- Hits 13200 13062 -138
Misses 96 96
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axic
commented
Feb 24, 2021
axic
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Feb 24, 2021
chfast
reviewed
Feb 25, 2021
test/utils/wasm3_engine.cpp
Outdated
| if (result == m3Err_none) | ||
| return {false, ret_valid ? ret_value : std::optional<uint64_t>{}}; | ||
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| std::vector<const void*> argPtrs; |
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If you want ultimate speed you can use stack-allocated fixed-size array. Just bail out if too much arguments provided.
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fizzy/test/utils/wasm3_engine.cpp:147:24: error: variable length arrays are a C99 feature [-Werror,-Wvla-extension]
const void* argPtrs[args.size()];
Or not sure what you've meant?
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Ah you meant like allocating an array with like 32 items, and fail if args.size() is larger.
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Not sure if this makes a lot of speed difference, but pushed a version.
gumb0
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Feb 25, 2021
gumb0
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Feb 25, 2021
gumb0
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Feb 25, 2021
gumb0
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Feb 25, 2021
gumb0
approved these changes
Feb 26, 2021
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My plan is we release 0.8.0, then merge this and release 0.8.1. Then it is simple to show benchmarks for both, if needed. |
axic
commented
May 23, 2022
| const uint32_t offset = static_cast<uint32_t>(stack[0]); | ||
| const uint32_t length = static_cast<uint32_t>(stack[1]); | ||
| const uint32_t offset = static_cast<uint32_t>(stack[1]); | ||
| const uint32_t length = static_cast<uint32_t>(stack[2]); | ||
| stack[0] = fizzy::test::adler32({reinterpret_cast<uint8_t*>(mem) + offset, length}); |
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The stack order has changed. Now the return value is on the bottom.
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Merging this is still blocked on benchmarks running out of stack space or something: We did find some reason, increased something/update compiler to work it around, but it is back again. |
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Apparently we run into a wasm3 bug: wasm3/wasm3#425 |
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We still need a patch for the start function, see wasm3/wasm3#202. And also a memory leak issue: wasm3/wasm3#203.
At least we could get rid of wasm3/wasm3#130, wasm3/wasm3#129, and wasm3/wasm3#145.