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<li class="toctree-l2"><a class="reference internal" href="../man1/index.html">17.1. Commands (section 1)</a></li>
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<li class="toctree-l3"><a class="reference internal" href="MPI_Abort.3.html">17.2.1. MPI_Abort</a></li>
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<li class="toctree-l3"><a class="reference internal" href="MPI_Bsend.3.html">17.2.29. MPI_Bsend</a></li>
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<li class="toctree-l3"><a class="reference internal" href="MPI_Comm_create_group.3.html">17.2.51. MPI_Comm_create_group</a></li>
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<li class="toctree-l3"><a class="reference internal" href="MPI_Comm_free_keyval.3.html">17.2.59. MPI_Comm_free_keyval</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Comm_get_attr.3.html">17.2.60. MPI_Comm_get_attr</a></li>
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<li class="toctree-l3"><a class="reference internal" href="MPI_Comm_get_parent.3.html">17.2.64. MPI_Comm_get_parent</a></li>
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<li class="toctree-l3"><a class="reference internal" href="MPI_Comm_set_attr.3.html">17.2.72. MPI_Comm_set_attr</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Comm_set_errhandler.3.html">17.2.73. MPI_Comm_set_errhandler</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Comm_set_info.3.html">17.2.74. MPI_Comm_set_info</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Comm_set_name.3.html">17.2.75. MPI_Comm_set_name</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Comm_size.3.html">17.2.76. MPI_Comm_size</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Comm_spawn.3.html">17.2.77. MPI_Comm_spawn</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Comm_spawn_multiple.3.html">17.2.78. MPI_Comm_spawn_multiple</a></li>
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<li class="toctree-l3"><a class="reference internal" href="MPI_Comm_split_type.3.html">17.2.80. MPI_Comm_split_type</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Comm_test_inter.3.html">17.2.81. MPI_Comm_test_inter</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Compare_and_swap.3.html">17.2.82. MPI_Compare_and_swap</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Dims_create.3.html">17.2.83. MPI_Dims_create</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Dist_graph_create.3.html">17.2.84. MPI_Dist_graph_create</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Dist_graph_create_adjacent.3.html">17.2.85. MPI_Dist_graph_create_adjacent</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Dist_graph_neighbors.3.html">17.2.86. MPI_Dist_graph_neighbors</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Dist_graph_neighbors_count.3.html">17.2.87. MPI_Dist_graph_neighbors_count</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Errhandler_create.3.html">17.2.88. MPI_Errhandler_create</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Errhandler_free.3.html">17.2.89. MPI_Errhandler_free</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Errhandler_get.3.html">17.2.90. MPI_Errhandler_get</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Errhandler_set.3.html">17.2.91. MPI_Errhandler_set</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Errors.3.html">17.2.92. MPI Errors</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Error_class.3.html">17.2.93. MPI_Error_class</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Error_string.3.html">17.2.94. MPI_Error_string</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Exscan.3.html">17.2.95. MPI_Exscan</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Exscan_init.3.html">17.2.96. MPI_Exscan_init</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Fetch_and_op.3.html">17.2.97. MPI_Fetch_and_op</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_File_c2f.3.html">17.2.98. MPI_File_c2f</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_File_call_errhandler.3.html">17.2.99. MPI_File_call_errhandler</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_File_close.3.html">17.2.100. MPI_File_close</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_File_create_errhandler.3.html">17.2.101. MPI_File_create_errhandler</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_File_delete.3.html">17.2.102. MPI_File_delete</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_File_f2c.3.html">17.2.103. MPI_File_f2c</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_File_get_amode.3.html">17.2.104. MPI_File_get_amode</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_File_get_atomicity.3.html">17.2.105. MPI_File_get_atomicity</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_File_get_byte_offset.3.html">17.2.106. MPI_File_get_byte_offset</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_File_get_errhandler.3.html">17.2.107. MPI_File_get_errhandler</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_File_get_group.3.html">17.2.108. MPI_File_get_group</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_File_get_info.3.html">17.2.109. MPI_File_get_info</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_File_get_position.3.html">17.2.110. MPI_File_get_position</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_File_get_position_shared.3.html">17.2.111. MPI_File_get_position_shared</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_File_get_size.3.html">17.2.112. MPI_File_get_size</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_File_get_type_extent.3.html">17.2.113. MPI_File_get_type_extent</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_File_get_view.3.html">17.2.114. MPI_File_get_view</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_File_iread.3.html">17.2.115. MPI_File_iread</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_File_iread_all.3.html">17.2.116. MPI_File_iread_all</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_File_iread_at.3.html">17.2.117. MPI_File_iread_at</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_File_iread_at_all.3.html">17.2.118. MPI_File_iread_at_all</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_File_iread_shared.3.html">17.2.119. MPI_File_iread_shared</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_File_iwrite.3.html">17.2.120. MPI_File_iwrite</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_File_iwrite_all.3.html">17.2.121. MPI_File_iwrite_all</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_File_iwrite_at.3.html">17.2.122. MPI_File_iwrite_at</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_File_iwrite_at_all.3.html">17.2.123. MPI_File_iwrite_at_all</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_File_iwrite_shared.3.html">17.2.124. MPI_File_iwrite_shared</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_File_open.3.html">17.2.125. MPI_File_open</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_File_preallocate.3.html">17.2.126. MPI_File_preallocate</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_File_read.3.html">17.2.127. MPI_File_read</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_File_read_all.3.html">17.2.128. MPI_File_read_all</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_File_read_all_begin.3.html">17.2.129. MPI_File_read_all_begin</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_File_read_all_end.3.html">17.2.130. MPI_File_read_all_end</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_File_read_at.3.html">17.2.131. MPI_File_read_at</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_File_read_at_all.3.html">17.2.132. MPI_File_read_at_all</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_File_read_at_all_begin.3.html">17.2.133. MPI_File_read_at_all_begin</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_File_read_at_all_end.3.html">17.2.134. MPI_File_read_at_all_end</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_File_read_ordered.3.html">17.2.135. MPI_File_read_ordered</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_File_read_ordered_begin.3.html">17.2.136. MPI_File_read_ordered_begin</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_File_read_ordered_end.3.html">17.2.137. MPI_File_read_ordered_end</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_File_read_shared.3.html">17.2.138. MPI_File_read_shared</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_File_seek.3.html">17.2.139. MPI_File_seek</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_File_seek_shared.3.html">17.2.140. MPI_File_seek_shared</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_File_set_atomicity.3.html">17.2.141. MPI_File_set_atomicity</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_File_set_errhandler.3.html">17.2.142. MPI_File_set_errhandler</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_File_set_info.3.html">17.2.143. MPI_File_set_info</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_File_set_size.3.html">17.2.144. MPI_File_set_size</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_File_set_view.3.html">17.2.145. MPI_File_set_view</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_File_sync.3.html">17.2.146. MPI_File_sync</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_File_write.3.html">17.2.147. MPI_File_write</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_File_write_all.3.html">17.2.148. MPI_File_write_all</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_File_write_all_begin.3.html">17.2.149. MPI_File_write_all_begin</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_File_write_all_end.3.html">17.2.150. MPI_File_write_all_end</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_File_write_at.3.html">17.2.151. MPI_File_write_at</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_File_write_at_all.3.html">17.2.152. MPI_File_write_at_all</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_File_write_at_all_begin.3.html">17.2.153. MPI_File_write_at_all_begin</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_File_write_at_all_end.3.html">17.2.154. MPI_File_write_at_all_end</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_File_write_ordered.3.html">17.2.155. MPI_File_write_ordered</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_File_write_ordered_begin.3.html">17.2.156. MPI_File_write_ordered_begin</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_File_write_ordered_end.3.html">17.2.157. MPI_File_write_ordered_end</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_File_write_shared.3.html">17.2.158. MPI_File_write_shared</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Finalize.3.html">17.2.159. MPI_Finalize</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Finalized.3.html">17.2.160. MPI_Finalized</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Free_mem.3.html">17.2.161. MPI_Free_mem</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Gather.3.html">17.2.162. MPI_Gather</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Gather_init.3.html">17.2.163. MPI_Gather_init</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Gatherv.3.html">17.2.164. MPI_Gatherv</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Gatherv_init.3.html">17.2.165. MPI_Gatherv_init</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Get.3.html">17.2.166. MPI_Get</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Get_accumulate.3.html">17.2.167. MPI_Get_accumulate</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Get_address.3.html">17.2.168. MPI_Get_address</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Get_count.3.html">17.2.169. MPI_Get_count</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Get_elements.3.html">17.2.170. MPI_Get_elements</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Get_elements_x.3.html">17.2.171. MPI_Get_elements_x</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Get_library_version.3.html">17.2.172. MPI_Get_library_version</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Get_processor_name.3.html">17.2.173. MPI_Get_processor_name</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Get_version.3.html">17.2.174. MPI_Get_version</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Graph_create.3.html">17.2.175. MPI_Graph_create</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Graph_get.3.html">17.2.176. MPI_Graph_get</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Graph_map.3.html">17.2.177. MPI_Graph_map</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Graph_neighbors.3.html">17.2.178. MPI_Graph_neighbors</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Graph_neighbors_count.3.html">17.2.179. MPI_Graph_neighbors_count</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Graphdims_get.3.html">17.2.180. MPI_Graphdims_get</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Grequest_complete.3.html">17.2.181. MPI_Grequest_complete</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Grequest_start.3.html">17.2.182. MPI_Grequest_start</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Group_c2f.3.html">17.2.183. MPI_Group_c2f</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Group_compare.3.html">17.2.184. MPI_Group_compare</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Group_difference.3.html">17.2.185. MPI_Group_difference</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Group_excl.3.html">17.2.186. MPI_Group_excl</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Group_f2c.3.html">17.2.187. MPI_Group_f2c</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Group_free.3.html">17.2.188. MPI_Group_free</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Group_from_session_pset.3.html">17.2.189. MPI_Group_from_session_pset</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Group_incl.3.html">17.2.190. MPI_Group_incl</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Group_intersection.3.html">17.2.191. MPI_Group_intersection</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Group_range_excl.3.html">17.2.192. MPI_Group_range_excl</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Group_range_incl.3.html">17.2.193. MPI_Group_range_incl</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Group_rank.3.html">17.2.194. MPI_Group_rank</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Group_size.3.html">17.2.195. MPI_Group_size</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Group_translate_ranks.3.html">17.2.196. MPI_Group_translate_ranks</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Group_union.3.html">17.2.197. MPI_Group_union</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Iallgather.3.html">17.2.198. MPI_Iallgather</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Iallgatherv.3.html">17.2.199. MPI_Iallgatherv</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Iallreduce.3.html">17.2.200. MPI_Iallreduce</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Ialltoall.3.html">17.2.201. MPI_Ialltoall</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Ialltoallv.3.html">17.2.202. MPI_Ialltoallv</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Ialltoallw.3.html">17.2.203. MPI_Ialltoallw</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Ibarrier.3.html">17.2.204. MPI_Ibarrier</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Ibcast.3.html">17.2.205. MPI_Ibcast</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Ibsend.3.html">17.2.206. MPI_Ibsend</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Iexscan.3.html">17.2.207. MPI_Iexscan</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Igather.3.html">17.2.208. MPI_Igather</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Igatherv.3.html">17.2.209. MPI_Igatherv</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Improbe.3.html">17.2.210. MPI_Improbe</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Imrecv.3.html">17.2.211. MPI_Imrecv</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Ineighbor_allgather.3.html">17.2.212. MPI_Ineighbor_allgather</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Ineighbor_allgatherv.3.html">17.2.213. MPI_Ineighbor_allgatherv</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Ineighbor_alltoall.3.html">17.2.214. MPI_Ineighbor_alltoall</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Ineighbor_alltoallv.3.html">17.2.215. MPI_Ineighbor_alltoallv</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Ineighbor_alltoallw.3.html">17.2.216. MPI_Ineighbor_alltoallw</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Info_c2f.3.html">17.2.217. MPI_Info_c2f</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Info_create.3.html">17.2.218. MPI_Info_create</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Info_create_env.3.html">17.2.219. MPI_Info_create_env</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Info_delete.3.html">17.2.220. MPI_Info_delete</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Info_dup.3.html">17.2.221. MPI_Info_dup</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Info_env.3.html">17.2.222. MPI_Info_env</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Info_f2c.3.html">17.2.223. MPI_Info_f2c</a></li>
<li class="toctree-l3 current"><a class="current reference internal" href="#">17.2.224. MPI_Info_free</a><ul>
<li class="toctree-l4"><a class="reference internal" href="#syntax">17.2.224.1. SYNTAX</a></li>
<li class="toctree-l4"><a class="reference internal" href="#input-output-parameter">17.2.224.2. INPUT/OUTPUT PARAMETER</a></li>
<li class="toctree-l4"><a class="reference internal" href="#output-parameter">17.2.224.3. OUTPUT PARAMETER</a></li>
<li class="toctree-l4"><a class="reference internal" href="#description">17.2.224.4. DESCRIPTION</a></li>
<li class="toctree-l4"><a class="reference internal" href="#errors">17.2.224.5. ERRORS</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Info_get.3.html">17.2.225. MPI_Info_get</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Info_get_nkeys.3.html">17.2.226. MPI_Info_get_nkeys</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Info_get_nthkey.3.html">17.2.227. MPI_Info_get_nthkey</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Info_get_string.3.html">17.2.228. MPI_Info_get_string</a></li>
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<li class="toctree-l3"><a class="reference internal" href="MPI_Info_set.3.html">17.2.230. MPI_Info_set</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Init.3.html">17.2.231. MPI_Init</a></li>
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<li class="toctree-l3"><a class="reference internal" href="MPI_Intercomm_create_from_groups.3.html">17.2.235. MPI_Intercomm_create_from_groups</a></li>
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<li class="toctree-l3"><a class="reference internal" href="MPI_Iprobe.3.html">17.2.237. MPI_Iprobe</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Irecv.3.html">17.2.238. MPI_Irecv</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Ireduce.3.html">17.2.239. MPI_Ireduce</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Ireduce_scatter.3.html">17.2.240. MPI_Ireduce_scatter</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Ireduce_scatter_block.3.html">17.2.241. MPI_Ireduce_scatter_block</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Irsend.3.html">17.2.242. MPI_Irsend</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Is_thread_main.3.html">17.2.243. MPI_Is_thread_main</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Iscan.3.html">17.2.244. MPI_Iscan</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Iscatter.3.html">17.2.245. MPI_Iscatter</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Iscatterv.3.html">17.2.246. MPI_Iscatterv</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Isend.3.html">17.2.247. MPI_Isend</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Isendrecv.3.html">17.2.248. MPI_Isendrecv</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Isendrecv_replace.3.html">17.2.249. MPI_Isendrecv_replace</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Issend.3.html">17.2.250. MPI_Issend</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Keyval_create.3.html">17.2.251. MPI_Keyval_create</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Keyval_free.3.html">17.2.252. MPI_Keyval_free</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Lookup_name.3.html">17.2.253. MPI_Lookup_name</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Message_c2f.3.html">17.2.254. MPI_Message_c2f</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Message_f2c.3.html">17.2.255. MPI_Message_f2c</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Mprobe.3.html">17.2.256. MPI_Mprobe</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Mrecv.3.html">17.2.257. MPI_Mrecv</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Neighbor_allgather.3.html">17.2.258. MPI_Neighbor_allgather</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Neighbor_allgather_init.3.html">17.2.259. MPI_Neighbor_allgather_init</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Neighbor_allgatherv.3.html">17.2.260. MPI_Neighbor_allgatherv</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Neighbor_allgatherv_init.3.html">17.2.261. MPI_Neighbor_allgatherv_init</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Neighbor_alltoall.3.html">17.2.262. MPI_Neighbor_alltoall</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Neighbor_alltoall_init.3.html">17.2.263. MPI_Neighbor_alltoall_init</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Neighbor_alltoallv.3.html">17.2.264. MPI_Neighbor_alltoallv</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Neighbor_alltoallv_init.3.html">17.2.265. MPI_Neighbor_alltoallv_init</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Neighbor_alltoallw.3.html">17.2.266. MPI_Neighbor_alltoallw</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Neighbor_alltoallw_init.3.html">17.2.267. MPI_Neighbor_alltoallw_init</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Op_c2f.3.html">17.2.268. MPI_Op_c2f</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Op_commutative.3.html">17.2.269. MPI_Op_commutative</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Op_create.3.html">17.2.270. MPI_Op_create</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Op_f2c.3.html">17.2.271. MPI_Op_f2c</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Op_free.3.html">17.2.272. MPI_Op_free</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Open_port.3.html">17.2.273. MPI_Open_port</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Pack.3.html">17.2.274. MPI_Pack</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Pack_external.3.html">17.2.275. MPI_Pack_external</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Pack_external_size.3.html">17.2.276. MPI_Pack_external_size</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Pack_size.3.html">17.2.277. MPI_Pack_size</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Parrived.3.html">17.2.278. MPI_Parrived</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Pcontrol.3.html">17.2.279. MPI_Pcontrol</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Pready.3.html">17.2.280. MPI_Pready</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Pready_list.3.html">17.2.281. MPI_Pready_list</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Pready_range.3.html">17.2.282. MPI_Pready_range</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Precv_init.3.html">17.2.283. MPI_Precv_init</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Probe.3.html">17.2.284. MPI_Probe</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Psend_init.3.html">17.2.285. MPI_Psend_init</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Publish_name.3.html">17.2.286. MPI_Publish_name</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Put.3.html">17.2.287. MPI_Put</a></li>
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<li class="toctree-l3"><a class="reference internal" href="MPI_Raccumulate.3.html">17.2.289. MPI_Raccumulate</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Recv.3.html">17.2.290. MPI_Recv</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Recv_init.3.html">17.2.291. MPI_Recv_init</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Reduce.3.html">17.2.292. MPI_Reduce</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Reduce_init.3.html">17.2.293. MPI_Reduce_init</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Reduce_local.3.html">17.2.294. MPI_Reduce_local</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Reduce_scatter.3.html">17.2.295. MPI_Reduce_scatter</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Reduce_scatter_block.3.html">17.2.296. MPI_Reduce_scatter_block</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Reduce_scatter_block_init.3.html">17.2.297. MPI_Reduce_scatter_block_init</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Reduce_scatter_init.3.html">17.2.298. MPI_Reduce_scatter_init</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Register_datarep.3.html">17.2.299. MPI_Register_datarep</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Request_c2f.3.html">17.2.300. MPI_Request_c2f</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Request_f2c.3.html">17.2.301. MPI_Request_f2c</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Request_free.3.html">17.2.302. MPI_Request_free</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Request_get_status.3.html">17.2.303. MPI_Request_get_status</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Rget.3.html">17.2.304. MPI_Rget</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Rget_accumulate.3.html">17.2.305. MPI_Rget_accumulate</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Rput.3.html">17.2.306. MPI_Rput</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Rsend.3.html">17.2.307. MPI_Rsend</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Rsend_init.3.html">17.2.308. MPI_Rsend_init</a></li>
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<li class="toctree-l3"><a class="reference internal" href="MPI_Scan_init.3.html">17.2.310. MPI_Scan_init</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Scatter.3.html">17.2.311. MPI_Scatter</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Scatter_init.3.html">17.2.312. MPI_Scatter_init</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Scatterv.3.html">17.2.313. MPI_Scatterv</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Scatterv_init.3.html">17.2.314. MPI_Scatterv_init</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Send.3.html">17.2.315. MPI_Send</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Send_init.3.html">17.2.316. MPI_Send_init</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Sendrecv.3.html">17.2.317. MPI_Sendrecv</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Sendrecv_replace.3.html">17.2.318. MPI_Sendrecv_replace</a></li>
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<li class="toctree-l3"><a class="reference internal" href="MPI_Session_create_errhandler.3.html">17.2.320. MPI_Session_create_errhandler</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Session_f2c.3.html">17.2.321. MPI_Session_f2c</a></li>
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<li class="toctree-l3"><a class="reference internal" href="MPI_Session_get_info.3.html">17.2.324. MPI_Session_get_info</a></li>
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<li class="toctree-l3"><a class="reference internal" href="MPI_Type_f2c.3.html">17.2.397. MPI_Type_f2c</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Type_free.3.html">17.2.398. MPI_Type_free</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Type_free_keyval.3.html">17.2.399. MPI_Type_free_keyval</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Type_get_attr.3.html">17.2.400. MPI_Type_get_attr</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Type_get_contents.3.html">17.2.401. MPI_Type_get_contents</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Type_get_envelope.3.html">17.2.402. MPI_Type_get_envelope</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Type_get_extent.3.html">17.2.403. MPI_Type_get_extent</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Type_get_extent_x.3.html">17.2.404. MPI_Type_get_extent_x</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Type_get_name.3.html">17.2.405. MPI_Type_get_name</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Type_get_true_extent.3.html">17.2.406. MPI_Type_get_true_extent</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Type_get_true_extent_x.3.html">17.2.407. MPI_Type_get_true_extent_x</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Type_hindexed.3.html">17.2.408. MPI_Type_hindexed</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Type_hvector.3.html">17.2.409. MPI_Type_hvector</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Type_indexed.3.html">17.2.410. MPI_Type_indexed</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Type_lb.3.html">17.2.411. MPI_Type_lb</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Type_match_size.3.html">17.2.412. MPI_Type_match_size</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Type_set_attr.3.html">17.2.413. MPI_Type_set_attr</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Type_set_name.3.html">17.2.414. MPI_Type_set_name</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Type_size.3.html">17.2.415. MPI_Type_size</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Type_size_x.3.html">17.2.416. MPI_Type_size_x</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Type_struct.3.html">17.2.417. MPI_Type_struct</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Type_ub.3.html">17.2.418. MPI_Type_ub</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Type_vector.3.html">17.2.419. MPI_Type_vector</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Unpack.3.html">17.2.420. MPI_Unpack</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Unpack_external.3.html">17.2.421. MPI_Unpack_external</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Unpublish_name.3.html">17.2.422. MPI_Unpublish_name</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Wait.3.html">17.2.423. MPI_Wait</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Waitall.3.html">17.2.424. MPI_Waitall</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Waitany.3.html">17.2.425. MPI_Waitany</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Waitsome.3.html">17.2.426. MPI_Waitsome</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Win_allocate.3.html">17.2.427. MPI_Win_allocate</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Win_allocate_shared.3.html">17.2.428. MPI_Win_allocate_shared</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Win_attach.3.html">17.2.429. MPI_Win_attach</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Win_c2f.3.html">17.2.430. MPI_Win_c2f</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Win_call_errhandler.3.html">17.2.431. MPI_Win_call_errhandler</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Win_complete.3.html">17.2.432. MPI_Win_complete</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Win_create.3.html">17.2.433. MPI_Win_create</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Win_create_dynamic.3.html">17.2.434. MPI_Win_create_dynamic</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Win_create_errhandler.3.html">17.2.435. MPI_Win_create_errhandler</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Win_create_keyval.3.html">17.2.436. MPI_Win_create_keyval</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Win_delete_attr.3.html">17.2.437. MPI_Win_delete_attr</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Win_detach.3.html">17.2.438. MPI_Win_detach</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Win_f2c.3.html">17.2.439. MPI_Win_f2c</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Win_fence.3.html">17.2.440. MPI_Win_fence</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Win_flush.3.html">17.2.441. MPI_Win_flush</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Win_flush_all.3.html">17.2.442. MPI_Win_flush_all</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Win_flush_local.3.html">17.2.443. MPI_Win_flush_local</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Win_flush_local_all.3.html">17.2.444. MPI_Win_flush_local_all</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Win_free.3.html">17.2.445. MPI_Win_free</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Win_free_keyval.3.html">17.2.446. MPI_Win_free_keyval</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Win_get_attr.3.html">17.2.447. MPI_Win_get_attr</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Win_get_errhandler.3.html">17.2.448. MPI_Win_get_errhandler</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Win_get_group.3.html">17.2.449. MPI_Win_get_group</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Win_get_info.3.html">17.2.450. MPI_Win_get_info</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Win_get_name.3.html">17.2.451. MPI_Win_get_name</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Win_lock.3.html">17.2.452. MPI_Win_lock</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Win_lock_all.3.html">17.2.453. MPI_Win_lock_all</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Win_post.3.html">17.2.454. MPI_Win_post</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Win_set_attr.3.html">17.2.455. MPI_Win_set_attr</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Win_set_errhandler.3.html">17.2.456. MPI_Win_set_errhandler</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Win_set_info.3.html">17.2.457. MPI_Win_set_info</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Win_set_name.3.html">17.2.458. MPI_Win_set_name</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Win_shared_query.3.html">17.2.459. MPI_Win_shared_query</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Win_start.3.html">17.2.460. MPI_Win_start</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Win_sync.3.html">17.2.461. MPI_Win_sync</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Win_test.3.html">17.2.462. MPI_Win_test</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Win_unlock.3.html">17.2.463. MPI_Win_unlock</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Win_unlock_all.3.html">17.2.464. MPI_Win_unlock_all</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Win_wait.3.html">17.2.465. MPI_Win_wait</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Wtick.3.html">17.2.466. MPI_Wtick</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPI_Wtime.3.html">17.2.467. MPI_Wtime</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPIX_Comm_ack_failed.3.html">17.2.468. MPIX_Comm_ack_failed</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPIX_Comm_agree.3.html">17.2.469. MPIX_Comm_agree</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPIX_Comm_get_failed.3.html">17.2.470. MPIX_Comm_get_failed</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPIX_Comm_iagree.3.html">17.2.471. MPIX_Comm_iagree</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPIX_Comm_ishrink.3.html">17.2.472. MPIX_Comm_ishrink</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPIX_Comm_is_revoked.3.html">17.2.473. MPIX_Comm_is_revoked</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPIX_Comm_revoke.3.html">17.2.474. MPIX_Comm_revoke</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPIX_Comm_shrink.3.html">17.2.475. MPIX_Comm_shrink</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPIX_Query_cuda_support.3.html">17.2.476. MPIX_Query_cuda_support</a></li>
<li class="toctree-l3"><a class="reference internal" href="MPIX_Query_rocm_support.3.html">17.2.477. MPIX_Query_rocm_support</a></li>
<li class="toctree-l3"><a class="reference internal" href="OMPI_Affinity_str.3.html">17.2.478. OMPI_Affinity_str</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../man7/index.html">17.3. General information manual pages (section 7)</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="../../man-openshmem/index.html">18. OpenSHMEM manual pages</a></li>
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<li class="breadcrumb-item"><a href="../index.html"><span class="section-number">17. </span>Open MPI manual pages</a></li>
<li class="breadcrumb-item"><a href="index.html"><span class="section-number">17.2. </span>MPI API manual pages (section 3)</a></li>
<li class="breadcrumb-item active"><span class="section-number">17.2.224. </span>MPI_Info_free</li>
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.wy-table-responsive table td,.wy-table-responsive table th{white-space:normal}
</style><div class="section" id="mpi-info-free">
<span id="id1"></span><h1><span class="section-number">17.2.224. </span>MPI_Info_free<a class="headerlink" href="#mpi-info-free" title="Permalink to this heading"></a></h1>
<p><a class="reference internal" href="#mpi-info-free"><span class="std std-ref">MPI_Info_free</span></a> — Frees an info object.</p>
<div class="section" id="syntax">
<h2><span class="section-number">17.2.224.1. </span>SYNTAX<a class="headerlink" href="#syntax" title="Permalink to this heading"></a></h2>
<div class="section" id="c-syntax">
<h3><span class="section-number">17.2.224.1.1. </span>C Syntax<a class="headerlink" href="#c-syntax" title="Permalink to this heading"></a></h3>
<div class="highlight-c notranslate"><div class="highlight"><pre><span></span><span class="cp">#include</span><span class="w"> </span><span class="cpf"><mpi.h></span>
<span class="kt">int</span><span class="w"> </span><span class="n">MPI_Info_free</span><span class="p">(</span><span class="n">MPI_Info</span><span class="w"> </span><span class="o">*</span><span class="n">info</span><span class="p">)</span>
</pre></div>
</div>
</div>
<div class="section" id="fortran-syntax">
<h3><span class="section-number">17.2.224.1.2. </span>Fortran Syntax<a class="headerlink" href="#fortran-syntax" title="Permalink to this heading"></a></h3>
<div class="highlight-fortran notranslate"><div class="highlight"><pre><span></span><span class="k">USE </span><span class="n">MPI</span>
<span class="c">! or the older form: INCLUDE 'mpif.h'</span>
<span class="n">MPI_INFO_FREE</span><span class="p">(</span><span class="n">INFO</span><span class="p">,</span><span class="w"> </span><span class="n">IERROR</span><span class="p">)</span>
<span class="w"> </span><span class="kt">INTEGER </span><span class="n">INFO</span><span class="p">,</span><span class="w"> </span><span class="n">IERROR</span>
</pre></div>
</div>
</div>
<div class="section" id="fortran-2008-syntax">
<h3><span class="section-number">17.2.224.1.3. </span>Fortran 2008 Syntax<a class="headerlink" href="#fortran-2008-syntax" title="Permalink to this heading"></a></h3>
<div class="highlight-fortran notranslate"><div class="highlight"><pre><span></span><span class="k">USE </span><span class="n">mpi_f08</span>
<span class="n">MPI_Info_free</span><span class="p">(</span><span class="n">info</span><span class="p">,</span><span class="w"> </span><span class="n">ierror</span><span class="p">)</span>
<span class="w"> </span><span class="k">TYPE</span><span class="p">(</span><span class="n">MPI_Info</span><span class="p">),</span><span class="w"> </span><span class="k">INTENT</span><span class="p">(</span><span class="n">INOUT</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">info</span>
<span class="w"> </span><span class="kt">INTEGER</span><span class="p">,</span><span class="w"> </span><span class="k">OPTIONAL</span><span class="p">,</span><span class="w"> </span><span class="k">INTENT</span><span class="p">(</span><span class="n">OUT</span><span class="p">)</span><span class="w"> </span><span class="kd">::</span><span class="w"> </span><span class="n">ierror</span>
</pre></div>
</div>
</div>
</div>
<div class="section" id="input-output-parameter">
<h2><span class="section-number">17.2.224.2. </span>INPUT/OUTPUT PARAMETER<a class="headerlink" href="#input-output-parameter" title="Permalink to this heading"></a></h2>
<ul class="simple">
<li><p><code class="docutils literal notranslate"><span class="pre">info</span></code>: Info object (handle).</p></li>
</ul>
</div>
<div class="section" id="output-parameter">
<h2><span class="section-number">17.2.224.3. </span>OUTPUT PARAMETER<a class="headerlink" href="#output-parameter" title="Permalink to this heading"></a></h2>
<ul class="simple">
<li><p><code class="docutils literal notranslate"><span class="pre">ierror</span></code>: Fortran only: Error status (integer).</p></li>
</ul>
</div>
<div class="section" id="description">
<h2><span class="section-number">17.2.224.4. </span>DESCRIPTION<a class="headerlink" href="#description" title="Permalink to this heading"></a></h2>
<p><a class="reference internal" href="#mpi-info-free"><span class="std std-ref">MPI_Info_free</span></a> frees <em>info</em> and sets it to MPI_INFO_NULL.</p>
</div>
<div class="section" id="errors">
<h2><span class="section-number">17.2.224.5. </span>ERRORS<a class="headerlink" href="#errors" title="Permalink to this heading"></a></h2>
<p>Almost all MPI routines return an error value; C routines as the return result
of the function and Fortran routines in the last argument.</p>
<p>Before the error value is returned, the current MPI error handler associated
with the communication object (e.g., communicator, window, file) is called.
If no communication object is associated with the MPI call, then the call is
considered attached to MPI_COMM_SELF and will call the associated MPI error
handler. When MPI_COMM_SELF is not initialized (i.e., before
<a class="reference internal" href="MPI_Init.3.html#mpi-init"><span class="std std-ref">MPI_Init</span></a>/<a class="reference internal" href="MPI_Init_thread.3.html#mpi-init-thread"><span class="std std-ref">MPI_Init_thread</span></a>, after <a class="reference internal" href="MPI_Finalize.3.html#mpi-finalize"><span class="std std-ref">MPI_Finalize</span></a>, or when using the Sessions
Model exclusively) the error raises the initial error handler. The initial
error handler can be changed by calling <a class="reference internal" href="MPI_Comm_set_errhandler.3.html#mpi-comm-set-errhandler"><span class="std std-ref">MPI_Comm_set_errhandler</span></a> on
MPI_COMM_SELF when using the World model, or the mpi_initial_errhandler CLI
argument to mpiexec or info key to <a class="reference internal" href="MPI_Comm_spawn.3.html#mpi-comm-spawn"><span class="std std-ref">MPI_Comm_spawn</span></a>/<a class="reference internal" href="MPI_Comm_spawn_multiple.3.html#mpi-comm-spawn-multiple"><span class="std std-ref">MPI_Comm_spawn_multiple</span></a>.
If no other appropriate error handler has been set, then the MPI_ERRORS_RETURN
error handler is called for MPI I/O functions and the MPI_ERRORS_ABORT error
handler is called for all other MPI functions.</p>
<p>Open MPI includes three predefined error handlers that can be used:</p>
<ul class="simple">
<li><p><code class="docutils literal notranslate"><span class="pre">MPI_ERRORS_ARE_FATAL</span></code>
Causes the program to abort all connected MPI processes.</p></li>
<li><p><code class="docutils literal notranslate"><span class="pre">MPI_ERRORS_ABORT</span></code>
An error handler that can be invoked on a communicator,
window, file, or session. When called on a communicator, it
acts as if <a class="reference internal" href="MPI_Abort.3.html#mpi-abort"><span class="std std-ref">MPI_Abort</span></a> was called on that communicator. If
called on a window or file, acts as if <a class="reference internal" href="MPI_Abort.3.html#mpi-abort"><span class="std std-ref">MPI_Abort</span></a> was called
on a communicator containing the group of processes in the
corresponding window or file. If called on a session,
aborts only the local process.</p></li>
<li><p><code class="docutils literal notranslate"><span class="pre">MPI_ERRORS_RETURN</span></code>
Returns an error code to the application.</p></li>
</ul>
<p>MPI applications can also implement their own error handlers by calling:</p>
<ul class="simple">
<li><p><a class="reference internal" href="MPI_Comm_create_errhandler.3.html#mpi-comm-create-errhandler"><span class="std std-ref">MPI_Comm_create_errhandler</span></a> then <a class="reference internal" href="MPI_Comm_set_errhandler.3.html#mpi-comm-set-errhandler"><span class="std std-ref">MPI_Comm_set_errhandler</span></a></p></li>
<li><p><a class="reference internal" href="MPI_File_create_errhandler.3.html#mpi-file-create-errhandler"><span class="std std-ref">MPI_File_create_errhandler</span></a> then <a class="reference internal" href="MPI_File_set_errhandler.3.html#mpi-file-set-errhandler"><span class="std std-ref">MPI_File_set_errhandler</span></a></p></li>
<li><p><a class="reference internal" href="MPI_Session_create_errhandler.3.html#mpi-session-create-errhandler"><span class="std std-ref">MPI_Session_create_errhandler</span></a> then <a class="reference internal" href="MPI_Session_set_errhandler.3.html#mpi-session-set-errhandler"><span class="std std-ref">MPI_Session_set_errhandler</span></a> or at <a class="reference internal" href="MPI_Session_init.3.html#mpi-session-init"><span class="std std-ref">MPI_Session_init</span></a></p></li>
<li><p><a class="reference internal" href="MPI_Win_create_errhandler.3.html#mpi-win-create-errhandler"><span class="std std-ref">MPI_Win_create_errhandler</span></a> then <a class="reference internal" href="MPI_Win_set_errhandler.3.html#mpi-win-set-errhandler"><span class="std std-ref">MPI_Win_set_errhandler</span></a></p></li>
</ul>
<p>Note that MPI does not guarantee that an MPI program can continue past
an error.</p>
<p>See the <a class="reference internal" href="../man7/Open-MPI.7.html#open-mpi"><span class="std std-ref">MPI man page</span></a> for a full list of <a class="reference internal" href="MPI_Errors.3.html#open-mpi-errors"><span class="std std-ref">MPI error codes</span></a>.</p>
<p>See the Error Handling section of the MPI-3.1 standard for
more information.</p>
<div class="admonition seealso">
<p class="admonition-title">See also</p>
<ul class="simple">
<li><p><a class="reference internal" href="MPI_Info_create.3.html#mpi-info-create"><span class="std std-ref">MPI_Info_create</span></a></p></li>
<li><p><a class="reference internal" href="MPI_Info_delete.3.html#mpi-info-delete"><span class="std std-ref">MPI_Info_delete</span></a></p></li>
<li><p><a class="reference internal" href="MPI_Info_dup.3.html#mpi-info-dup"><span class="std std-ref">MPI_Info_dup</span></a></p></li>
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