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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?qamCap7mFTJ24//YIiEFaO4m5MKua41Ua9Efr/jTO2YWb4dYzdkv0pEBPaNN?= =?us-ascii?Q?iiHoQhc9A3V57YPCgZ8NNsm9xeNZUESFlinQm4ee8V2z++uUF0D8MzkERmhW?= =?us-ascii?Q?VrU/8JUvIIclWTAs8QOcW70JUPlkoUqOWfdpPx6V8grfaGWeVWf/gWN3Ke24?= =?us-ascii?Q?hWarMuTbRWAns9+/sqedboR3EzHq7Or1FcFhToEWaoR9vYW5L7PXvTFRVhxr?= =?us-ascii?Q?YvKzGMJLIUBAdyNs4rSYvAYbM7NJDRuZx5wDID9/rdEqkeNLDNRboXwRa1Cd?= =?us-ascii?Q?qVmjIM+Fvkha/2+oj5nNN2O0AqdKPgI4I+6NUJdsz7grOQFqTe0H5+6OVG4D?= =?us-ascii?Q?QiEKxZJl8J5ziriAoChuRxaxLqsY5rqSo7UBe5ZsT2wv8QTMnjSrt29dfG+V?= =?us-ascii?Q?UKQILAZaax39CGXV7gyVZctx6QzNYi87wDWJyED95+mGmtKjyEVH2LDuyzCp?= =?us-ascii?Q?gnDenIxODWHyNzl06M58iYpS93PQFyHQtNhJl0CVW3Git9+1Qs31Xyo7SCK4?= =?us-ascii?Q?otbchHpBpORf1WGf904SfYUu/TuespnztkB/60YwKZIIz0b0toXYmi09o+C2?= =?us-ascii?Q?NQYYUt26ADq64qLaxOLiiVPsp5Qmukek8zVNP7IdsVMQ9UO2P7YMxGuIcrlb?= =?us-ascii?Q?1k6APCDvB1qwuW6XV2ttKWNAkyShOMOIFMJogMSyJRwqByoIo9tlmwLit5/U?= =?us-ascii?Q?FNCWiHV+NTUcI8GMhbR0aiFYmnVXvWqAe+IQjQT7tylZyY5vyVm9s2VLgAFb?= =?us-ascii?Q?GltjELFkwTC18sFDcA6vDQubZSScaid9YhffzOC4gADTmOKPRmifl/gUfde+?= =?us-ascii?Q?zpFtXOxtL4tABhzXBWbrxwM7obagPgJ024G+YF0Nhsd6DcUWuAWm3szZnnKs?= =?us-ascii?Q?lu93vibWXWZRaUFdqIrkknNSIWLayiICtCOdFMx7uRc/cEOA4q2GGa5BPSuT?= =?us-ascii?Q?SLxur7KC6FgImr33rC7yw9oCqKWuO1gjUOGUkKr1Pk3Q/C02Aard1d8fRH0b?= =?us-ascii?Q?ok7zXoxkhsRplqeFIpl+LiqFr7cLNute6BCo8gfb1O2HOVy4TaUehaRpK4jW?= =?us-ascii?Q?mSLLre14NYuHcLgRpp5/GkOEM4pIZjqEucY6BbX4/1VCpJ5NlWyp4EYvcdQp?= =?us-ascii?Q?AJ71/tS9U/Gr2lUBv7xXApoOLz/LFF2oVaeqLKozcA2eNZLQcuYIjx4p/kkN?= =?us-ascii?Q?K5q0sT8eWLLpjxXK6q0Mg0KO5XAbMnfCR87WsewSG0fVp4s5bzZOAK1ymKNi?= =?us-ascii?Q?j7KxKraeBuQ1XhUDb/ncs/6SGDb3l0ZdDKnFzbfefIy5T1RK8vUey+sjKHu5?= =?us-ascii?Q?JHGwLTgfahhui+F7RkpdP5E72JLq2rexlZfRR6HcLSl8oTRsTRzaeWXceTo0?= =?us-ascii?Q?KLx1xP9x7H3sObPOtuKF2RFtzvuOsqvMWLzsLCAyT35dp1b3lMAM5S+HVboc?= =?us-ascii?Q?22fpW8g5xLgjnq6eFIRtmzNpeALP2LD9Q/ECRBAO52XG14jY6CsWYKi75m0B?= =?us-ascii?Q?3HZa6Pr82evCRhcttgsmVL9/ZkvymNTVsl6NU3fwaVZ1HjOIXapSz8eFR9bq?= =?us-ascii?Q?Iu7pS8CXg1Coet7TSB6o6Yfotj93Yr0/7oMhauMDDfPYn3wRLBdAvzI9o+QB?= =?us-ascii?Q?R0FWxYr+nYVJKT/Ypizsr1kO3vu7RHJqtvhlmpl90KEK+YNlH+W9ZtMKhkaP?= =?us-ascii?Q?chKTFBYbKq28Jxk4FtuwaSFbwB0M7XhKNykD94QqP5LlXrvcQHNWXhw/C8I+?= =?us-ascii?Q?D7ZA2e4dnA=3D=3D?= X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-Network-Message-Id: 48a9867d-f6eb-438c-0c95-08de8be6b2ea X-MS-Exchange-CrossTenant-AuthSource: LV8PR12MB9620.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 27 Mar 2026 09:53:29.4929 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: SV53tCJBo64zRbRgiMkQekbOsSgUEGRHv1VJIryifrn/4MqS8gK9nfKpZ3cL+4RtNjlgQzF/12z2UvFKvbtWVw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM4PR12MB5866 Hi Christian, On Thu, Mar 26, 2026 at 03:55:54PM +0000, Christian Loehle wrote: ... > > Right, the issue I'm trying to solve is SD_ASYM_CPUCAPACITY + SMT. Removing > > SD_ASYM_CPUCAPACITY from the equation fixes my issue, because we fall back > > into the regular idle CPU selection policy, which avoids allocating both > > SMT siblings when possible. > > > > Thanks, > > -Andrea > > Could you also report how Grace baseline vs ASYM_PACKING works for your > benchmark? (or Vera nosmt) > I've done some tests with Vera nosmt. I don't see much difference with ASYM_PACKING vs ASYM_CPUCAPACITY (baseline), pretty much in error range (I see around 1-2% difference across runs, but there's not a clear bias between the two solutions). I'll try to find a Grace system and repeat the tests there as well. Thanks, -Andrea