Comments (2)
eira-fransham
commented on May 22, 2024
So for reference, some light googling pegs the speed of a single pointer read in the absolute best-case (if everything is in L1) as 4 cycles. This is pipelined but it doesn't matter since we're dereferencing pointers-in-pointers and so it's inherently serial. https://www.edn.com/design/systems-design/4399725/Memory-Hierarchy-Design---Part-6--The-Intel-Core-i7
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Robbepop
commented on May 22, 2024
The v1 implementation of wasmi (#287) now implements a Wasmtime inspired architecture and API and allocates all instructions of all functions in the same Engine instance in a single buffer. This heavily reduces the number of indirections from 4 down to 2 when given a FuncBody handle therefore closing this issue.
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Related Issues (20)
- Create C bindings for Wasmi
- Simplification: Rewrite `iNN.sub` with immediate to new `iNN.add` variant
- Restore CI benchmarks HOT 1
- Wasmi versions `0.32.0-beta.6` cannot run `ffmpeg.wasm` correctly HOT 20
- Update `wasmi_wasi` WASI implementing dependencies HOT 1
- Optimization: Fuse transitive copies HOT 1
- Add `--verbose` mode to Wasmi CLI HOT 2
- Add support for fully hibernate-able Wasm instances HOT 7
- Handle host function calls the same as other instructions in the Wasmi executor HOT 1
- Make it possible to debug and pretty print Wasmi bytecode
- Add Wasmi execution profiling HOT 1
- The URL in the project description is 404 HOT 1
- Optimize `Linker` setup
- Add customizable `wasmi::Engine` limits
- Reconsider proper fuel charging for lazily compiled functions
- Reduce `wasmi::Engine` memory consumption for storing function artifacts HOT 3
- Try to put the Wasmi engine internals into its own crate
- Wasmi v0.32 stable release preparations
- Wasmi `v0.32.0-beta.13` seems to have broken linking HOT 13
- CLI: cannot find definition for imported function HOT 4
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