32 #ifndef _util_group_memamsg_h 33 #define _util_group_memamsg_h 37 #include <util/group/memmsg.h> 44 enum Request { Deactivate, Sync, Retrieve, Replace, DoubleSum };
50 int lock = 0,
int serial = 0);
51 void assign(Request r,
int node,
int offset,
int size,
52 int lock,
int serial);
53 void *data()
const {
return (
void *) data_; }
54 int nbytes()
const {
return sizeof(int)*NData; }
56 const char *request_string()
const;
58 MemoryDataRequest::Request request()
const {
return (Request) data_[0]; }
59 int node()
const {
return data_[1]; }
60 int offset()
const {
return data_[2]; }
61 int size()
const {
return data_[3]; }
62 int serial_number()
const {
return data_[4]; }
63 int lock()
const {
return data_[5]; }
65 int touches_data()
const {
return request()!=Deactivate&&request()!=Sync;}
68 int reactivate()
const {
return data_[2]; }
72 void print(
const char* msg = 0, std::ostream & o =
ExEnv::out0())
const;
77 enum { MaxDepth = 1024 };
83 int n()
const {
return n_; }
88 void clear() { n_ = 0; }
97 virtual void retrieve_data(
void *,
int node,
int offset,
int size,
99 virtual void replace_data(
void *,
int node,
int offset,
int size,
101 virtual void sum_data(
double *data,
int node,
int doffset,
int dsize) = 0;
107 void set_localsize(
size_t);
110 void *obtain_writeonly(
distsize_t offset,
int size);
111 void *obtain_readwrite(
distsize_t offset,
int size);
112 void *obtain_readonly(
distsize_t offset,
int size);
113 void release_readonly(
void *data,
distsize_t offset,
int size);
114 void release_writeonly(
void *data,
distsize_t offset,
int size);
115 void release_readwrite(
void *data,
distsize_t offset,
int size);
117 void sum_reduction(
double *data,
distsize_t doffset,
int dsize);
118 void sum_reduction_on_node(
double *data,
size_t doffset,
int dsize,
A template class that maintains references counts.
Definition: ref.h:332
The ActiveMsgMemoryGrp abstract class specializes the MsgMemoryGrp class.
Definition: memamsg.h:93
static std::ostream & out0()
Return an ostream that writes from node 0.
A MsgMemoryGrp that initializes its data using a messagegrp.
Definition: memmsg.h:41