From 7cd468a3d7dee7d6c92f69a0bb7061ae208ec727 Mon Sep 17 00:00:00 2001 From: Damjan Marion Date: Mon, 19 Dec 2016 23:05:39 +0100 Subject: Reorganize source tree to use single autotools instance Change-Id: I7b51f88292e057c6443b12224486f2d0c9f8ae23 Signed-off-by: Damjan Marion --- src/vppinfra/anneal.h | 89 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 89 insertions(+) create mode 100644 src/vppinfra/anneal.h (limited to 'src/vppinfra/anneal.h') diff --git a/src/vppinfra/anneal.h b/src/vppinfra/anneal.h new file mode 100644 index 00000000..148d38ba --- /dev/null +++ b/src/vppinfra/anneal.h @@ -0,0 +1,89 @@ +/* + Copyright (c) 2011 Cisco and/or its affiliates. + + * 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. +*/ + +#ifndef __included_anneal_h__ +#define __included_anneal_h__ + +#include +#include +#include +#include + +typedef struct +{ + /* Initial temperature */ + f64 initial_temperature; + + /* Temperature fraction at each step, 0.95 is reasonable */ + f64 temperature_step; + + /* Number of temperatures used */ + u32 number_of_temperatures; + + /* Number of configurations tried at each temperature */ + u32 number_of_configurations_per_temperature; + + u32 flags; +#define CLIB_ANNEAL_VERBOSE (1<<0) +#define CLIB_ANNEAL_MINIMIZE (1<<1) /* mutually exclusive */ +#define CLIB_ANNEAL_MAXIMIZE (1<<2) /* mutually exclusive */ + + /* Random number seed, set to ensure repeatable results */ + u32 random_seed; + + /* Opaque data passed to callbacks */ + void *opaque; + + /* Final temperature (output) */ + f64 final_temperature; + + /* Final metric (output) */ + f64 final_metric; + + /* Suggested initial temperature (output) */ + f64 suggested_initial_temperature; + + + /*--- Callbacks ---*/ + + /* objective function to minimize */ + f64 (*anneal_metric) (void *opaque); + + /* Generate a new configuration */ + void (*anneal_new_configuration) (void *opaque); + + /* Restore the previous configuration */ + void (*anneal_restore_previous_configuration) (void *opaque); + + /* Save best configuration found e.g at a certain temperature */ + void (*anneal_save_best_configuration) (void *opaque); + + /* restore best configuration found e.g at a certain temperature */ + void (*anneal_restore_best_configuration) (void *opaque); + +} clib_anneal_param_t; + +void clib_anneal (clib_anneal_param_t * p); + +#endif /* __included_anneal_h__ */ + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ -- cgit 1.2.3-korg