i have reported a bug at https://issues.chromium.org/issues/441679229
Michael Lippautz <[email protected]> 于2025年8月29日周五 16:26写道： > Can you file a bug on crbug.com for Blink>JavaScript>GarbageCollection > with a repro and hints to the missing hooks? > > This is probably a historic artifact of only using EPT in sandbox > configurations. In order to avoid maintenance cost we have since made quite > a few sandbox concepts also the default on non-sandbox builds. We should > fix this. > > -Michael > > On Thu, Aug 28, 2025 at 5:42 PM xinwei tang <[email protected]> wrote: > >> I found that when compiling V8 with Pointer Compression enabled but >> Sandbox disabled, the ExternalPointerTable only increases without >> decreasing, causing a memory leak. After a detailed investigation, I >> discovered that the garbage collection-related calls for the >> ExternalPointerTable are shielded by Sandbox-related macros. After enabling >> Sandbox, the leak is resolved, but the garbage collection of the >> ExternalPointerTable introduces approximately 100MB of peak memory usage >> and around 50MB of normal memory usage, which completely offsets the memory >> reduction brought by Pointer Compression. Is there a way to reduce the >> garbage collection overhead of the ExternalPointerTable or resolve the >> memory leak issue without enabling Sandbox? >> >> -- >> -- >> v8-dev mailing list >> [email protected] >> http://groups.google.com/group/v8-dev >> --- >> You received this message because you are subscribed to the Google Groups >> "v8-dev" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To view this discussion visit >> https://groups.google.com/d/msgid/v8-dev/0aa213b4-38a6-459f-8302-563d69645374n%40googlegroups.com >> <https://groups.google.com/d/msgid/v8-dev/0aa213b4-38a6-459f-8302-563d69645374n%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> > -- > -- > v8-dev mailing list > [email protected] > http://groups.google.com/group/v8-dev > --- > You received this message because you are subscribed to the Google Groups > "v8-dev" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion visit > https://groups.google.com/d/msgid/v8-dev/CAH%2BmL5AqH9-_d1to5u9SrY89Z%2BczMXqt_8CKcXSr3RawUFT3xQ%40mail.gmail.com > <https://groups.google.com/d/msgid/v8-dev/CAH%2BmL5AqH9-_d1to5u9SrY89Z%2BczMXqt_8CKcXSr3RawUFT3xQ%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > -- -- v8-dev mailing list [email protected] http://groups.google.com/group/v8-dev --- You received this message because you are subscribed to the Google Groups "v8-dev" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion visit https://groups.google.com/d/msgid/v8-dev/CANcKyFgvi6WdDg-J2xSSynzrLttzmvtxngiR5bzXE%3DuPjXdT4Q%40mail.gmail.com.
