From 06926bb7bd8fbabc577581b2cac7dacdd3d44eae Mon Sep 17 00:00:00 2001
From: Greg Olechwierowicz <olechwierowicz@google.com>
Date: Mon, 14 Oct 2024 07:30:48 -0700
Subject: [PATCH] [XLA:GPU] Remove unused SuggestCombinerThreshold method.

PiperOrigin-RevId: 685700157
---
 xla/service/gpu/BUILD                  |  1 -
 xla/service/gpu/all_gather_combiner.cc | 11 -----------
 2 files changed, 12 deletions(-)

diff --git a/xla/service/gpu/BUILD b/xla/service/gpu/BUILD
index 830f15bd0b9df..5c8a18564688d 100644
--- a/xla/service/gpu/BUILD
+++ b/xla/service/gpu/BUILD
@@ -3126,7 +3126,6 @@ cc_library(
         "//xla/hlo/ir:hlo",
         "//xla/hlo/pass:hlo_pass",
         "//xla/service:all_gather_combiner",
-        "//xla/service:collective_utils",
         "//xla/service:hlo_domain_map",
         "//xla/stream_executor:device_description",
         "@com_google_absl//absl/container:flat_hash_set",
diff --git a/xla/service/gpu/all_gather_combiner.cc b/xla/service/gpu/all_gather_combiner.cc
index 956c4a3d48e49..1318369ca6b75 100644
--- a/xla/service/gpu/all_gather_combiner.cc
+++ b/xla/service/gpu/all_gather_combiner.cc
@@ -30,23 +30,12 @@ limitations under the License.
 #include "xla/service/gpu/gpu_collective_combiner_utils.h"
 #include "xla/service/gpu/gpu_hlo_schedule.h"
 #include "xla/service/hlo_domain_map.h"
-#include "xla/stream_executor/device_description.h"
 #include "tsl/platform/statusor.h"
 
 namespace xla::gpu {
 
 namespace {
 
-// In the absence of combiner threshold flag we try to determine the appropriate
-// value.
-int64_t SuggestCombinerThreshold(HloModule* module,
-                                 const se::DeviceDescription& device_info,
-                                 int64_t pointer_size) {
-  return ComputeSuggestedCombinerThreshold(*module, device_info,
-                                           ScheduleGpuModuleWithMemoryScheduler,
-                                           HloOpcode::kAllGather, pointer_size);
-}
-
 std::optional<AllGatherCombiner::GroupKey> PipelinedCombinerKey(
     const HloInstruction* instruction, const HloDomainMap& domain_map,
     bool combine_by_dim, bool combine_different_dtypes) {