The Web streams spec requires promise creation at numerous points — often in hot paths and often invisible to users. Each read() call doesn't just return a promise; internally, the implementation creates additional promises for queue management, pull() coordination, and backpressure signaling.
If you look at all of the JS glue code for the single call to console.log above, you’ll see that there is a lot of overhead. Engines have spent a lot of time optimizing this, and more work is underway. Yet this problem still exists. It doesn’t affect every workload, but it’s something every WebAssembly user needs to be careful about.
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Мощный удар Израиля по Ирану попал на видео09:41
MorphCostumes is a Main Street example of tariff effects. It makes its costumes in China, which has a 30-year start on the rest of the world in the business of clothing production. Moving production elsewhere is prohibitively expensive.