CarefreeCrayon

One concern that I have is that copilot is inherently additive in nature. It is unable to suggest that blocks of code be deleted which creates a bias that adding more code is always the solution and a lot of code that shouldn't be written ends up in the codebase.

I believe this is a problem works against less experienced engineers because more senior engineers are better at recognizing that problem. In my experience the most senior engineers respond to that by just turning the tool off.

I found this interesting and have been profiling to understand why the increase in performance was so significant. It looks to me that the main culprit was Protobufs + Garbage collection. Serializing to protos performs a lot of allocations. Using just the Float32View skips all that.

``` I/scudo ( 641): Stats: SizeClassAllocator64: 572M mapped (0M rss) in 11986660 allocations; remains 257629 I/scudo ( 641): 00 ( 64): mapped: 1024K popped: 506106 pushed: 491660 inuse: 14446 total: 15044 rss: 0K releases: 0 last released: 0K region: 0x7ceae87000 (0x7ceae86000) I/scudo ( 641): 01 ( 32): mapped: 1024K popped: 92137 pushed: 73047 inuse: 19090 total: 26708 rss: 0K releases: 0 last released: 0K region: 0x7cfae8c000 (0x7cfae86000) ```

I think this is because during the proto encoding/decoding stage the protobuf lib ended up creating a bunch of objects to support the process

``` "Class","Library","Total Instances","Total Size","Total Dart Heap Size","Total External Size","New Space Instances","New Space Size","New Space Dart Heap Size","New Space External Size","Old Space Instances","Old Space Size","Old Space Dart Heap Size","Old Space External Size" _FieldSet,package:protobuf/protobuf.dart,100010,4800480,4800480,0,0,0,0,0,100010,4800480,4800480,0 PbList,package:protobuf/protobuf.dart,108536,3473152,3473152,0,0,0,0,0,108536,3473152,3473152,0 Embedding,package:edge_db_benchmarks/models/embedding.dart,108535,3473120,3473120,0,0,0,0,0,108535,3473120,3473120,0 EmbeddingProto,package:edge_db_benchmarks/models/embedding.pb.dart,100010,1600160,1600160,0,0,0,0,0,100010,1600160,1600160,0 ```

What's missing here is that these have to be copied over to the database isolate as well.