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Performance degradation of CefBrowserHost::PrintToPdf in M132 compared to M127 #3873

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jasminjasmin2 opened this issue Jan 23, 2025 · 1 comment
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Performance degradation of CefBrowserHost::PrintToPdf in M132 compared to M127 #3873

jasminjasmin2 opened this issue Jan 23, 2025 · 1 comment
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@jasminjasmin2
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I ran some tests in headless mode using CefBrowserHost::PrintToPdf with M132 on Windows and observed a significant performance degradation compared to M127, particularly on virtual machines. Is there an explanation for this? Could it be related to the removal of the alloy bootstrap in M128? Is there an option I can try to restore the performance from M127?
@jasminjasmin2 jasminjasmin2 added the bug Bug report label Jan 23, 2025
@magreenblatt
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CEF's PrintToPdf is just a thin wrapper around the DevTools protocol Page.printToPDF. Most likely any performance regression will be in Chromium. You can test in Google Chrome / Chromium to see.

@magreenblatt magreenblatt closed this as not planned Won't fix, can't repro, duplicate, stale Mar 12, 2025
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@magreenblatt @jasminjasmin2