| commit | 956a81efa660f9d8356b2515ab82162ebcab494e | [log] [tgz] |
|---|---|---|
| author | Clemens Backes <clemensb@chromium.org> | Tue Feb 09 11:59:07 2021 |
| committer | Commit Bot <commit-bot@chromium.org> | Tue Feb 09 14:37:59 2021 |
| tree | b9b158c648efde594e970a8db0b18db6fadf6e13 | |
| parent | 68105996e06320f3dd8facbde10011839a1697cf [diff] |
[codegen] Avoid dynamic allocations for ExternalAssemblerBufferImpl Those dynamic allocations are responsible for 5-10% of execution time in wasm code publishing, which again is the biggest contributor to deserialization time. The allocations are used for patching the jump table. This CL avoids dynamic memory allocation by having some thread-local space that is re-used for allocations of ExternalAssemblerBufferImpl. Since those objects are small, memory usage is not a concern here. R=jkummerow@chromium.org Bug: v8:11164 Cq-Include-Trybots: luci.v8.try:v8_linux64_asan_rel_ng Cq-Include-Trybots: luci.v8.try:v8_linux64_msan_rel_ng Cq-Include-Trybots: luci.v8.try:v8_linux64_ubsan_rel_ng Change-Id: I44aad86fa821a1ccb59b539da861a346f62a9813 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2667859 Commit-Queue: Clemens Backes <clemensb@chromium.org> Reviewed-by: Jakob Kummerow <jkummerow@chromium.org> Cr-Commit-Position: refs/heads/master@{#72585}
V8 is Google's open source JavaScript engine.
V8 implements ECMAScript as specified in ECMA-262.
V8 is written in C++ and is used in Google Chrome, the open source browser from Google.
V8 can run standalone, or can be embedded into any C++ application.
V8 Project page: https://v8.dev/docs
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