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syntax = "proto3";
package tensorflow;
// option cc_enable_arenas = true;
message GPUOptions {
// A value between 0 and 1 that indicates what fraction of the
// available GPU memory to pre-allocate for each process. 1 means
// to pre-allocate all of the GPU memory, 0.5 means the process
// allocates ~50% of the available GPU memory.
double per_process_gpu_memory_fraction = 1;
};
// Session configuration parameters.
// The system picks an appropriate values for fields that are not set.
message ConfigProto {
// Map from device type name (e.g., "CPU" or "GPU" ) to maximum
// number of devices of that type to use. If a particular device
// type is not found in the map, the system picks an appropriate
// number.
map<string, int32> device_count = 1;
// The execution of an individual op (for some op types) can be
// parallelized on a pool of intra_op_parallelism_threads.
// 0 means the system picks an appropriate number.
int32 intra_op_parallelism_threads = 2;
// Nodes that perform blocking operations are enqueued on a pool of
// inter_op_parallelism_threads available in each process.
//
// 0 means the system picks an appropriate number.
//
// Note that the first Session created in the process sets the
// number of threads for all future sessions.
int32 inter_op_parallelism_threads = 5;
// Assignment of Nodes to Devices is recomputed every placement_period
// steps until the system warms up (at which point the recomputation
// typically slows down automatically).
int32 placement_period = 3;
// When any filters are present sessions will ignore all devices which do not
// match the filters. Each filter can be partially specified, e.g. "/job:ps"
// "/job:worker/replica:3", etc.
repeated string device_filters = 4;
// Options that apply to all GPUs.
GPUOptions gpu_options = 6;
// Whether soft placement is allowed. If allow_soft_placement is true,
// an op will be placed on CPU if
// 1. there's no GPU implementation for the OP
// or
// 2. no GPU devices are known or registered
// or
// 3. need to co-locate with reftype input(s) which are from CPU.
bool allow_soft_placement = 7;
// Whether device placements should be logged.
bool log_device_placement = 8;
};
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