[PATCH] D58742: [WebAssembly] Remove uses of ThreadModel
Dan Gohman via Phabricator via cfe-commits
cfe-commits at lists.llvm.org
Thu Feb 28 10:54:57 PST 2019
sunfish added a comment.
Wasm gives users reasons to want -mthread-model single that other architectures don't, even when -matomics is enabled by default.
When shared memory is used, wasm requires modules to declare a max memory size, which is a burden on applications that want to use dynamic amounts of memory. Wasm is more sensitive to code size than most other architectures. And, interoperating with single-threaded JS is easier from single-threaded wasm (JS has access to SharedArrayBuffer and atomics, but not all JS wants to use that).
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