Thank you very much Jakob, that's precisely the guidance that I was looking for. Warm regards, Ben
On Wed, Aug 30, 2023 at 10:30 PM Jakob Kummerow <[email protected]> wrote: > With the default configuration, --max-old-space-size should work for > values up to 4GiB. > > If you need more, you need to disable pointer compression (which implies > disabling the sandbox, because the sandbox relies on compressed pointers > for its isolation mechanics). That's easy to do with: > v8_enable_pointer_compression = false > v8_enable_sandbox = false > Note that this will increase memory consumption by probably around 60-70% > (pointers become twice as big, non-pointer data such as numbers and string > characters remains the same, so the overall balance depends on your > workload). > This will allow you to configure arbitrary maximum heap sizes. > > Note that you need to #define (or not define) V8_COMPRESS_POINTERS for > the parts of your embedding code that #include V8 headers such that it > matches your V8 build configuration. > > > On Tue, Aug 29, 2023 at 5:31 AM Ben Ernst <[email protected]> > wrote: > >> Hey team. >> >> I've been following the conversations around pointer compression and the >> memory usage caps that this feature imposes on v8. I compile my own V8 to >> use in an embedded context. What is the current state of affairs of memory >> limits in V8, and to what extent can I disable, increase, or workaround >> them? What GN compile-time flags should I be setting? I'm currently on V8 >> 11.6. I target only Windows 10+ and Ubuntu 18.04+. I used to set run-time >> flag "--max-old-space-size" but that doesn't seem to do what it used to do. >> >> My existing compile flags are as follows: >> >> treat_warnings_as_errors=false >> v8_enable_i18n_support=false >> v8_monolithic=true >> is_component_build=false >> use_custom_libcxx=false >> is_clang=false >> v8_use_external_startup_data=false >> >> Thanks in advance! >> Ben >> >> -- > -- > v8-dev mailing list > [email protected] > http://groups.google.com/group/v8-dev > --- > You received this message because you are subscribed to a topic in the > Google Groups "v8-dev" group. > To unsubscribe from this topic, visit > https://groups.google.com/d/topic/v8-dev/-k10-Qmy1f8/unsubscribe. > To unsubscribe from this group and all its topics, send an email to > [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/v8-dev/CAKSzg3Tw6LkGJkft72TRvCk9Se9Yk%2BxgW6scLdL5KSw1YM6NBg%40mail.gmail.com > <https://groups.google.com/d/msgid/v8-dev/CAKSzg3Tw6LkGJkft72TRvCk9Se9Yk%2BxgW6scLdL5KSw1YM6NBg%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 on the web visit https://groups.google.com/d/msgid/v8-dev/CALjkDRbaA-HgM7Od8as04PHzd3W3VBJasVnZC0WN_p%3DdrVwSzw%40mail.gmail.com.
