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// Copyright 2023 gRPC authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include <grpc/support/port_platform.h>
#include "src/core/lib/gprpp/per_cpu.h"
#include <grpc/support/cpu.h>
#include "src/core/lib/gpr/useful.h"
namespace grpc_core {
thread_local PerCpuShardingHelper::State PerCpuShardingHelper::state_;
size_t PerCpuOptions::Shards() {
return ShardsForCpuCount(gpr_cpu_num_cores());
}
size_t PerCpuOptions::ShardsForCpuCount(size_t cpu_count) {
return Clamp<size_t>(cpu_count / cpus_per_shard_, 1, max_shards_);
}
} // namespace grpc_core
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