Not So Fast: Analyzing the Performance of WebAssembly vs. Native Code · HackerPapers discussions

Not So Fast: Analyzing the Performance of WebAssembly vs. Native Code — HN submission

Tue, 04 Nov 2025 23:13:06 GMT

Analyzing the Performance of WebAssembly vs. Native Code

74 points; 57 discussion replies on HN. Paper and source history. A submission is not an endorsement.

Not So Fast: Analyzing the Performance of WebAssembly vs. Native Code — mentioned by seg_lol

Sat, 01 Nov 2025 20:50:36 GMT

(2019) https://arxiv.org/abs/1901.09056 2022, two comments https://news.ycombinator.com/item?id=33054931 2019, 172 comments https://news.ycombinator.com/item?id=19023413 Given that this paper is from so long ago, running new benchmarks on existing runtimes would be productive. https://mastodon.world/@cfallin/109833747279454645 mentions https://github.com/bytecodealliance/sightglass https://www.usenix.org/conference/atc19/presentation/jangda https://www.usenix.org/sites/default/files/conference/protec...

Paper and discussion history. A mention is not an endorsement.

Not So Fast: Analyzing the Performance of WebAssembly vs. Native Code — HN submission

Sat, 01 Nov 2025 15:33:36 GMT

WebAssembly vs. Native Code: Performance Analysis (WASM 45% Slower)

21 points; 5 discussion replies on HN. Paper and source history. A submission is not an endorsement.

Not So Fast: Analyzing the Performance of WebAssembly vs. Native Code — HN submission

Tue, 30 Jan 2024 19:54:48 GMT

Not So Fast: Analyzing the Performance of WebAssembly vs. Native Code

2 points; 0 discussion replies on HN. Paper and source history. A submission is not an endorsement.

Not So Fast: Analyzing the Performance of WebAssembly vs. Native Code — HN submission

Sun, 02 Oct 2022 11:20:02 GMT

Not So Fast: Analyzing the Performance of WebAssembly vs. Native Code (2019)

1 point; 2 discussion replies on HN. Paper and source history. A submission is not an endorsement.

Not So Fast: Analyzing the Performance of WebAssembly vs. Native Code — mentioned by nn3

Mon, 28 Dec 2020 17:38:05 GMT

WebAsm is not performance competitive: "We find that the mean slowdown of WebAssembly vs. native across SPEC benchmarks is 1.55× for Chrome and 1.45× for Firefox, with peak slowdowns of 2.5× in Chrome and 2.08× in Firefox." https://arxiv.org/pdf/1901.09056.pdf

Paper and discussion history. A mention is not an endorsement.

Not So Fast: Analyzing the Performance of WebAssembly vs. Native Code — HN submission

Tue, 29 Jan 2019 03:13:23 GMT

Analyzing the Performance of WebAssembly vs. Native Code

250 points; 172 discussion replies on HN. Paper and source history. A submission is not an endorsement.