Add Owned placement and placement-owned collectives#3359
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Move bucket unshard and gradient-reduction collective selection into the placement contract so Shard owns all-gather/reduce-scatter and Owned can own broadcast/reduce-to-owner. Rename bucket runtime handles to placement-neutral unshard/reduce-grad terminology and add Owned placement tests plus a support plan. ghstack-source-id: 40b8ecb Pull-Request: #3359
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Move bucket unshard and gradient-reduction collective selection into the placement contract so Shard owns all-gather/reduce-scatter and Owned can own broadcast/reduce-to-owner. Rename bucket runtime handles to placement-neutral unshard/reduce-grad terminology and add Owned placement tests plus a support plan. ghstack-source-id: 44d51bd Pull-Request: #3359
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Move bucket unshard and gradient-reduction collective selection into the placement contract so Shard owns all-gather/reduce-scatter and Owned can own broadcast/reduce-to-owner. Rename bucket runtime handles to placement-neutral unshard/reduce-grad terminology and add Owned placement tests plus a support plan. ghstack-source-id: 885bd53 Pull-Request: #3359
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Move bucket unshard and gradient-reduction collective selection into the placement contract so Shard owns all-gather/reduce-scatter and Owned can own broadcast/reduce-to-owner. Rename bucket runtime handles to placement-neutral unshard/reduce-grad terminology and add Owned placement tests plus a support plan. ghstack-source-id: 1831223 Pull-Request: #3359
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May 14, 2026
Move bucket unshard and gradient-reduction collective selection into the placement contract so Shard owns all-gather/reduce-scatter and Owned can own broadcast/reduce-to-owner. Rename bucket runtime handles to placement-neutral unshard/reduce-grad terminology and add Owned placement tests plus a support plan. ghstack-source-id: 1831223 Pull-Request: #3359
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May 14, 2026
Move bucket unshard and gradient-reduction collective selection into the placement contract so Shard owns all-gather/reduce-scatter and Owned can own broadcast/reduce-to-owner. Rename bucket runtime handles to placement-neutral unshard/reduce-grad terminology and add Owned placement tests plus a support plan. ghstack-source-id: 1831223 Pull-Request: #3359
weifengpy
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May 14, 2026
Move bucket unshard and gradient-reduction collective selection into the placement contract so Shard owns all-gather/reduce-scatter and Owned can own broadcast/reduce-to-owner. Rename bucket runtime handles to placement-neutral unshard/reduce-grad terminology and add Owned placement tests plus a support plan. ghstack-source-id: 683c2a6 Pull-Request: #3359
weifengpy
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Move bucket unshard and gradient-reduction collective selection into the placement contract so Shard owns all-gather/reduce-scatter and Owned can own broadcast/reduce-to-owner. Rename bucket runtime handles to placement-neutral unshard/reduce-grad terminology and add Owned placement tests plus a support plan. ghstack-source-id: a3134ca Pull-Request: #3359
weifengpy
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Move bucket unshard and gradient-reduction collective selection into the placement contract so Shard owns all-gather/reduce-scatter and Owned can own broadcast/reduce-to-owner. Rename bucket runtime handles to placement-neutral unshard/reduce-grad terminology and add Owned placement tests plus a support plan. ghstack-source-id: a3134ca Pull-Request: #3359
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Move bucket unshard and gradient-reduction collective selection into the placement contract so Shard owns all-gather/reduce-scatter and Owned can own broadcast/reduce-to-owner. Rename bucket runtime handles to placement-neutral unshard/reduce-grad terminology and add Owned placement tests plus a support plan. ghstack-source-id: 97b7766 Pull-Request: #3359
weifengpy
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May 15, 2026
Move bucket unshard and gradient-reduction collective selection into the placement contract so Shard owns all-gather/reduce-scatter and Owned can own broadcast/reduce-to-owner. Rename bucket runtime handles to placement-neutral unshard/reduce-grad terminology and add Owned placement tests plus a support plan. ghstack-source-id: e29dc85 Pull-Request: #3359
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Folded into #3239 so the first FlexShard PR proves the placement contract with both Shard and Owned examples. |
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Move bucket unshard and gradient-reduction collective selection into the placement contract so Shard owns all-gather/reduce-scatter and Owned can own broadcast/reduce-to-owner. Rename bucket runtime handles to placement-neutral unshard/reduce-grad terminology and add Owned placement tests plus a support plan.