forked from joejulian/gio
1a17e9ea37
Stack.Layout and Flex.Layout caused a lot of heap allocations / escapes. The reason was that scratch space for dims and call and was inside Stack/FlexChild. child.call.Add(gtx.Ops) confused the go escape analysis and caused the entired children slice to escape to the heap, including all widgets in it. This caused a lot of heap allocations. Now the scratch space is separate from children, and for cases len(children) <= 32, we will allocate the scratch space on the stack. For cases len(children) > 32, only the scratch space gets allocated from the heap, during append. Signed-off-by: vsariola <5684185+vsariola@users.noreply.github.com>