SpiderMonkey Till Schneidereit implemented sharing of bytecode and related script data.  This can result in significant savings, especially if you have multiple tabs open from the same site.  For example, with 10 articles open from theage.com.au I saw an 11.6 MiB saving.  This was a MemShrink:P1, and its fix completes half of the “Better Script … Continue reading MemShrink progress, week 87–88