From 8a1e8189b682fc353463ee660cbf37617cf7d928 Mon Sep 17 00:00:00 2001 From: Gerrit User 1115898 <1115898@3ce6091f-6c88-37e8-8c75-72f92ae8dfba> Date: Tue, 27 Oct 2026 12:26:11 -0700 Subject: [PATCH] Update patch set 1 Patch Set 1: Code-Review+1 (1 comment) Patch-set: 1 Reviewer: Gerrit User 1115898 <1115898@3ce6091f-6c88-37e8-8c75-72f92ae8dfba> Label: Code-Review=+1, d447cf813c556dcbadf8815b8b703380e8373ac3 Attention: {"person_ident":"Gerrit User 1115898 \u003c1115898@3ce6091f-6c88-37e8-8c75-72f92ae8dfba\u003e","operation":"REMOVE","reason":"\u003cGERRIT_ACCOUNT_1115898\u003e replied on the change"} --- dc630852d7e90c27003ce0c7e322f7d02baff122 | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 dc630852d7e90c27003ce0c7e322f7d02baff122 diff --git a/dc630852d7e90c27003ce0c7e322f7d02baff122 b/dc630852d7e90c27003ce0c7e322f7d02baff122 new file mode 100644 index 000000000..eaa69ed4c --- /dev/null +++ b/dc630852d7e90c27003ce0c7e322f7d02baff122 @@ -0,0 +1,21 @@ +{ + "comments": [ + { + "unresolved": false, + "key": { + "uuid": "855cc898_0b4e2e44", + "filename": "/PATCHSET_LEVEL", + "patchSetId": 1 + }, + "lineNbr": 0, + "author": { + "id": 1115898 + }, + "writtenOn": "2026-10-27T19:26:11Z", + "side": 1, + "message": "yes this helps a little, but the other lanes are also false dependencies.\nso i think there are 3 alternatives that are better on newer cpus\nzip\nldp\ntbl\nzip1/zip2 depend on load but not each other and no false dependency.\nldp can replace dup and cleanses the register.\nldp can be used to do the transpose itself, either in simd or gpr and can use different registers to avoid the false dependency.\nBut overall I think zip behaves best, with possible exception of A520.", + "revId": "dc630852d7e90c27003ce0c7e322f7d02baff122", + "serverId": "3ce6091f-6c88-37e8-8c75-72f92ae8dfba" + } + ] +} \ No newline at end of file