From db1eb3dcbfb18ca3901dd4b444441508436e7dc2 Mon Sep 17 00:00:00 2001
From: Georgy Evtushenko <evtushenko.georgy@gmail.com>
Date: Tue, 6 Jun 2023 23:02:43 +0400
Subject: [PATCH] Tune I8

---
 cub/device/dispatch/dispatch_scan.cuh | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/cub/device/dispatch/dispatch_scan.cuh b/cub/device/dispatch/dispatch_scan.cuh
index 6a3cbb5ec..6767823d2 100644
--- a/cub/device/dispatch/dispatch_scan.cuh
+++ b/cub/device/dispatch/dispatch_scan.cuh
@@ -215,6 +215,15 @@ struct sm90_tuning
   using delay_constructor = detail::default_delay_constructor_t<AccumT>;
 };
 
+template <class AccumT>
+struct sm90_tuning<AccumT, 1>
+{
+  static constexpr int threads = 192;
+  static constexpr int items   = 22;
+
+  using delay_constructor = detail::fixed_delay_constructor_t<288, 1200>;
+};
+
 template <class AccumT>
 struct sm90_tuning<AccumT, 2>
 {