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|
C Copyright (c) 2003-2010 University of Florida
C
C This program is free software; you can redistribute it and/or modify
C it under the terms of the GNU General Public License as published by
C the Free Software Foundation; either version 2 of the License, or
C (at your option) any later version.
C This program is distributed in the hope that it will be useful,
C but WITHOUT ANY WARRANTY; without even the implied warranty of
C MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
C GNU General Public License for more details.
C The GNU General Public License is included in this distribution
C in the file COPYRIGHT.
subroutine compute_block(op, array_table, narray_table,
* index_table, nindex_table,
* block_map_table, nblock_map_table,
* segment_table, nsegment_table,
* scalar_table, nscalar_table,
* address_table,
* debugit, validate,
* flopcount, comm, comm_timer,
* instruction_timer)
c--------------------------------------------------------------------------
c Compute the block corresponding to the result array of the "op"
c entry.
c
c op Operation table entry.
c array_table Table of array information.
c narray_table Number of arrays in table.
c debug Logical flag for debug print
c validate Logical flag for block validation.
c flopcount Number of floating point operations performed.
c send_count Returned number of blocks sent (0 or 1).
c comm MPI Communicator
c comm_timer Timer handle to accumulate wait time on blocks.
c instruction_timer Timer handle for current instruction timer.
c--------------------------------------------------------------------------
implicit none
include 'interpreter.h'
include 'mpif.h'
include 'trace.h'
include 'parallel_info.h'
include 'blkmgr.h'
include 'machine_types.h'
include 'dbugcom.h'
include 'checkpoint_data.h'
integer narray_table
integer nindex_table, index_table(lindex_table_entry,nindex_table)
integer op(*), array_table(larray_table_entry,narray_table)
integer nblock_map_table
integer block_map_table(lblock_map_entry, nblock_map_table)
integer nsegment_table
integer segment_table(lsegment_table_entry,nsegment_table)
integer nscalar_table
double precision scalar_table(nscalar_table)
integer*8 address_table(narray_table)
integer comm
integer comm_timer, instruction_timer
logical debugit, debug, validate, create_block
logical partial_create
integer find_current_block
integer find_current_block_map
integer i, j, k, opcode, block, blkndx, result
integer op1_blkndx, op2_blkndx
integer nindex
integer op1, op2
integer op1_block, op2_block
integer ncind, cind(mx_array_index)
integer flag, flag1, flag2
integer result_type, op1_type, op2_type
integer flopcount
integer ind(mx_array_index), segsave(mx_array_index),
* nb, iblock, l,ind_input(mx_array_index)
integer iblock_map
integer get_block_number
integer request
integer get_block_request
integer status(MPI_STATUS_SIZE)
integer ierr, allocate_block
integer result_flag
integer size
integer dummy
integer stack
integer push_do, pop_do
logical direct_flag
logical prefetch_flag
opcode = op(c_opcode)
if (opcode .eq. do_op .or.
* opcode .eq. enddo_op .or.
* opcode .eq. pardo_op .or.
* opcode .eq. endpardo_op .or.
* opcode .eq. go_to_op .or.
* opcode .eq. jz_op .or.
* opcode .eq. exit_op .or.
* opcode .eq. cycle_op .or.
* opcode .eq. where_op) return
result = op(c_result_array)
result_type = array_table(c_array_type, result)
if (result .lt. 0) then
print *,'Error: Invalid array handle in operation'
print *,'Array = ',result
print *,'OP: ',(op(i),i=1,loptable_entry)
call abort_job()
endif
create_block = .false.
debug = debugit
flopcount = 0
if (opcode .eq. reindex_op) then
c---------------------------------------------------------------------------
c Reindex operation.
c---------------------------------------------------------------------------
nindex = array_table(c_nindex,result)
do i = 1, nindex
cind(i) = op(c_ind1+i-1)
if (cind(i) .le. 0 .or.
* cind(i) .gt. nindex_table) then
print *,'Task ',me,' Error: Invalid index in operation'
print *,'Operation: ',(op(j),j=1,loptable_entry)
call abort_job()
endif
enddo
if (nindex .lt. mx_array_index) then
do i = nindex+1,mx_array_index
cind(i) = 0
enddo
endif
call set_effective_indices(array_table(1,result), cind)
return
endif
c---------------------------------------------------------------------------
c Index arithmetic and logic operations
c---------------------------------------------------------------------------
if ((opcode .ge. sp_add_op .and.
* opcode .le. sp_ldindex_op) .or.
* opcode .eq. sp_ldi_sym_op) then
call handle_sp_op(op, index_table, nindex_table)
return
endif
c--------------------------------------------------------------------------
c Scalar logic and arithmetic instructions.
c--------------------------------------------------------------------------
if (opcode .ge. fl_add_op .and.
* opcode .le. fl_load_value_op) then
call handle_fsp_op(op, array_table, narray_table,
* scalar_table, nscalar_table)
return
endif
c---------------------------------------------------------------------------
c If a distributed array is being used in any instruction except "create"
c (or reindex_op), check to make sure it has already been created.
c---------------------------------------------------------------------------
call check_create_flag(op, array_table, narray_table)
c--------------------------------------------------------------------------
c See if the instruction's result array block is available.
c--------------------------------------------------------------------------
direct_flag = .false.
if (result .gt. 0 .and. result_type .ne. static_array) then
block = find_current_block(result, array_table(1,result),
* index_table, nindex_table,
* segment_table, nsegment_table,
* block_map_table, blkndx)
if (block .gt. 0) then
c--------------------------------------------------------------------------
c Check the block's communication request to make sure it is
c not engaged in communication. If it is, we must wait until
c the communication is complete before proceeding with the calculation.
c
c The only exceptions are the GET and REQUEST instructions (get_op,
c request_op), which are checked internally to their handler subroutines.
c--------------------------------------------------------------------------
if (opcode .ne. get_op .and.
* opcode .ne. request_op) then
request = get_block_request(result, block, blkndx)
if (request .ne. mpi_request_null)
* call wait_on_block(result, block, blkndx,
* result_type, request,
* instruction_timer, comm_timer)
endif
else
direct_flag = .true. ! block does not exist, no need to attempt
! further lookups.
endif
endif
if (opcode .eq. user_sub_op) then
c---------------------------------------------------------------------------
c Call user-written code with standard args.
c---------------------------------------------------------------------------
call exec_user_sub(op(c_user_sub), array_table, narray_table,
* index_table, nindex_table, segment_table,
* nsegment_table, block_map_table, nblock_map_table,
* scalar_table, nscalar_table, address_table,
* op)
return
endif
if (opcode .eq. put_op .or.
* opcode .eq. put_replace_op) then
c------------------------------------------------------------------------
c Accumulate operation.
c------------------------------------------------------------------------
call global_accumulate(array_table, narray_table,
* index_table,
* nindex_table, segment_table, nsegment_table,
* block_map_table, nblock_map_table,
* scalar_table, nscalar_table, address_table,
* comm, op, comm_timer, instruction_timer)
return
endif
if (opcode .eq. collective_sum_op) then
c------------------------------------------------------------------------
c Collective sum operation (i. e., scalar accumulate on all procs).
c------------------------------------------------------------------------
call collective_sum(array_table, narray_table,
* index_table,
* nindex_table, segment_table, nsegment_table,
* block_map_table, nblock_map_table,
* scalar_table, nscalar_table,
* comm, op)
return
endif
c---------------------------------------------------------------------------
c Create operation. Create the blocks of a distributed array.
c---------------------------------------------------------------------------
if (opcode .eq. create_op) then
if (result_type .ne. distributed_array) then
print *,'Error: Create operation called for array ',
* result,'. Array is not distributed.'
print *,'Array type is ',result_type
call abort_job()
endif
if (array_table(c_create_flag, result) .ne. 0) then
print *,'Task ',me,' Error: Attempt to create an array ',
* 'that has already been created.'
print *,'Array = ',result,' Array_table entry = ',
* (array_table(j,result),j=1,larray_table_entry)
call abort_job()
endif
c----------------------------------------------------------------------------
c Save the segment states of this array.
c----------------------------------------------------------------------------
nindex = array_table(c_nindex,result)
do k = 1, nindex
ind(k) = array_table(c_index_original+k-1,result)
segsave(k) = index_table(c_current_seg,ind(k))
ind_input(k) = array_table(c_index_array1+k-1,result)
array_table(c_index_array1+k-1,result) =
* array_table(c_index_original+k-1,result)
enddo
c---------------------------------------------------------------------------
c Warn user if the array was declared with repeated indices.
c---------------------------------------------------------------------------
do k = 1, nindex
do l = 1, nindex
if (k .ne. l .and.
* ind(k) .eq. ind(l)) then
print *,'*** WARNING *** Array number ',result,
* ' was declared with repeated indices. This could',
* ' result in the creation of only the diagonal ',
* 'blocks of the array, causing surprising results.'
go to 100
endif
enddo
enddo
c--------------------------------------------------------------------------
c Partial create, or full create?
c---------------------------------------------------------------------------
partial_create = .false.
do k = 1, nindex
if (op(c_ind1+k-1) .eq. wildcard_indicator)
* partial_create = .true.
enddo
if (dbg .and. partial_create)
* print *,'PARTIAL CREATE at line ',
* current_line,' op ',(op(l),l=1,loptable_entry)
100 continue
nb = array_table(c_numblks, result)
iblock_map = array_table(c_block_map, result)
do 200 k = 1, nb
if (block_map_table(c_processor,iblock_map+k-1) .eq.
* my_company_rank) then
if (partial_create) then
do l = 1, nindex
if (op(c_ind1+l-1) .ne. wildcard_indicator) then
c-----------------------------------------------------------------------------
c Check block_map table's index values against the one's saved in ind.
c If all such indices match, we fall through, and the block will be
c created.
c-----------------------------------------------------------------------------
if (index_table(c_current_seg,ind(l)) .ne.
* block_map_table(c_block_map_seg+l-1,
* iblock_map+k-1)) go to 200
endif
enddo
endif
c----------------------------------------------------------------------------
c Set up the "current segments" of this block and calculate the blocksize.
c----------------------------------------------------------------------------
do l = 1, nindex
index_table(c_current_seg,ind(l)) =
* block_map_table(c_block_map_seg+l-1,
* iblock_map+k-1)
enddo
if (dbg) then
if (partial_create) print *,'Creating block ',k,
* ' indices ',
* (index_table(c_current_seg,ind(l)),l=1,nindex)
endif
call determine_current_block_size(ind,
* nindex, index_table, nindex_table,
* segment_table, nsegment_table, size)
c----------------------------------------------------------------------------
c Attempt to set up the new block.
c----------------------------------------------------------------------------
block = get_block_number(result,k)
if (block .le. 0) then
c----------------------------------------------------------------------------
c Now allocate the block.
c----------------------------------------------------------------------------
ierr = allocate_block(result, k, size,
* array_table, narray_table,
* index_table, nindex_table,
* block_map_table)
if (ierr .le. 0) then
print *,'Error: During create operation.'
print *,'Cannot allocate a block for ',
* 'array',result,' block number ',k,
* ' on processor ',me
call array_block_summary(array_table,
* narray_table)
call dump_block_ids()
call abort_job()
else
blkndx = ierr
endif
c--------------------------------------------------------------------------
c Store the block's index and segment data in the blkmgr table.
c---------------------------------------------------------------------------
call blkmgr_insert_block_in_list(
* array_table(c_block_list,result),dummy,
* blkndx, c_block_list_ptr, .false.)
call set_block_indices(result, k, blkndx,
* array_table(1,result))
call set_block_segments(result, k, blkndx,
* index_table, nindex_table)
else
c-------------------------------------------------------------------------
c The block is left over from previous operations.
c Since the block was not allocated through the allocate_block routine
c it must be busied.
c-------------------------------------------------------------------------
blkndx = block
call set_block_busy_flag(result, k, blkndx, 1)
call blkmgr_insert_block_in_list(
* array_table(c_block_list,result), dummy,
* blkndx, c_block_list_ptr, .false.)
endif
c-------------------------------------------------------------------------
c Set the block_computed_flag so the data will be preserved until
c a delete occurs.
c-------------------------------------------------------------------------
call set_block_computed_flag(result, k, blkndx, 1)
call set_block_created_flag(result,k, blkndx, 1)
c---------------------------------------------------------------------------
c Store the blkndx in the block_map_table entry.
c---------------------------------------------------------------------------
block_map_table(c_bmap_blkndx,iblock_map+k-1) =
* blkndx
c---------------------------------------------------------------------------
c Clear the block. Only the actual extent of the block's data is zeroed.
c---------------------------------------------------------------------------
stack = array_table(c_array_stack,result)
call clear_block(result, k, stack, blkndx, size)
endif
200 enddo
c---------------------------------------------------------------------------
c Set the create flag in the array_table entry.
c---------------------------------------------------------------------------
array_table(c_create_flag, result) = 1
c----------------------------------------------------------------------------
c Restore the saved segment values.
c----------------------------------------------------------------------------
do k = 1, nindex
index_table(c_current_seg, ind(k)) = segsave(k)
array_table(c_index_array1+k-1,result) = ind_input(k)
enddo
c---------------------------------------------------------------------------
c Add the create data to the checkpoint data common block.
c---------------------------------------------------------------------------
if (.not. restart_job) then
do i = 1, nactive_create_table
if (active_create_table(i) .eq. result .and.
* active_create_op(i) .eq. current_op) go to 300
enddo
nactive_create_table = nactive_create_table + 1
active_create_table(nactive_create_table) = result
active_create_op(nactive_create_table) = current_op
endif
300 continue
return
endif
c---------------------------------------------------------------------------
c Delete operation. Delete the blocks of a distributed array.
c---------------------------------------------------------------------------
if (opcode .eq. delete_op) then
if (result_type .ne. distributed_array) then
print *,'Error: Delete operation called for array ',
* result,'. Array is not distributed.'
call abort_job()
endif
c call scrub_blocks(.false., array_table, narray_table,
c * index_table, nindex_table,
c * block_map_table, ierr)
nb = array_table(c_numblks, result)
iblock_map = array_table(c_block_map, result)
do k = 1, nb
c iblock = get_block_number(result, k)
iblock = block_map_table(c_bmap_blkndx,iblock_map+k-1)
if (iblock .gt. 0) then
c---------------------------------------------------------------------------
c Check the block request to determine if there is an outstanding
c GET or PUT still going on.
c---------------------------------------------------------------------------
request = get_block_request(result, k, iblock)
if (request .ne. MPI_REQUEST_NULL)
* call wait_on_block(result, k, iblock,
* result_type,
* request, instruction_timer, comm_timer)
call clear_block_created_flag(result, k, iblock)
call_marker = 20202
call free_block(result, k, iblock, array_table,
* narray_table, index_table, nindex_table,
* block_map_table)
endif
enddo
c---------------------------------------------------------------------------
c Clear the create flag in the array_table entry.
c---------------------------------------------------------------------------
array_table(c_create_flag, result) = 0
c---------------------------------------------------------------------------
c Remove the last create data for this array from the checkpoint_data
c common block.
c---------------------------------------------------------------------------
do i = nactive_create_table, 1, -1
if (active_create_table(i) .eq. result) then
c--------------------------------------------------------------------------
c Shift remaining table data over this entry.
c--------------------------------------------------------------------------
do j = i+1, nactive_create_table
active_create_table(j-1) = active_create_table(j)
active_create_op(j-1) = active_create_op(j)
enddo
nactive_create_table = nactive_create_table - 1
return
endif
enddo
return
endif ! delete_op
c--------------------------------------------------------------------------
c allocate_op: Allocate the (non-wildcard) blocks of a local array.
c--------------------------------------------------------------------------
if (opcode .eq. allocate_op) then
call allocate_instruction(array_table, narray_table,
* index_table, nindex_table,
* segment_table, nsegment_table,
* block_map_table, nblock_map_table,
* op)
return
endif
c--------------------------------------------------------------------------
c deallocate_op: Deallocate the (non-wildcard) blocks of a local array.
c--------------------------------------------------------------------------
if (opcode .eq. deallocate_op) then
call deallocate_instruction(array_table, narray_table,
* index_table, nindex_table,
* segment_table, nsegment_table,
* block_map_table, op,
* comm_timer, instruction_timer)
return
endif
c--------------------------------------------------------------------------
c get_op: Fetch a block of a distributed array into a static copy.
c--------------------------------------------------------------------------
if (opcode .eq. get_op) then
call fetch_block(array_table, narray_table,
* index_table,
* nindex_table, segment_table, nsegment_table,
* block_map_table, nblock_map_table,
* op, direct_flag)
return
endif
c---------------------------------------------------------------------------
c request_op: Request a block of a "served" array.
c---------------------------------------------------------------------------
if (opcode .eq. request_op) then
call request_block(array_table, narray_table,
* index_table,
* nindex_table, segment_table, nsegment_table,
* block_map_table, nblock_map_table,
* op, instruction_timer, comm_timer,
* direct_flag)
#ifdef BLUEGENE
call get_prefetch_flag(prefetch_flag)
if (prefetch_flag) then
call pre_request_block(array_table, narray_table,
* index_table,
* nindex_table, segment_table, nsegment_table,
* block_map_table, nblock_map_table,
* op, instruction_timer, comm_timer,
* direct_flag)
endif
#endif
return
endif
c----------------------------------------------------------------------------
c Partial request (prequest).
c----------------------------------------------------------------------------
if (opcode .eq. prequest_op) then
call prequest_block(array_table, narray_table,
* index_table,
* nindex_table, segment_table, nsegment_table,
* block_map_table, nblock_map_table,
* op, instruction_timer, comm_timer,
* direct_flag)
return
endif
c----------------------------------------------------------------------------
c prepare_op: Sends a static block of a "served" array to a server.
c----------------------------------------------------------------------------
if (opcode .eq. prepare_op .or.
* opcode .eq. prepare_increment_op) then
call prepare_block(array_table, narray_table,
* index_table,
* nindex_table, segment_table, nsegment_table,
* block_map_table, nblock_map_table,
* op, instruction_timer, comm_timer)
return
endif
c----------------------------------------------------------------------------
c Destroy: Frees blocks of a served array on the server side, allows reuse
c of the array's disk space for other blocks.
c----------------------------------------------------------------------------
if (opcode .eq. destroy_op) then
call destroy_instruction(array_table, narray_table,
* index_table,
* nindex_table, segment_table, nsegment_table,
* block_map_table, nblock_map_table,
* op, instruction_timer, comm_timer)
return
endif
c----------------------------------------------------------------------------
c compute_integrals_op: Compute a block of integrals locally.
c----------------------------------------------------------------------------
if (opcode .eq. compute_integrals_op) then
call local_integral_block(array_table, narray_table,
* index_table,
* nindex_table, segment_table, nsegment_table,
* block_map_table, nblock_map_table,
* op, direct_flag)
return
endif
if (result_type .eq. static_array .or.
* result_type .eq. scalar_value) then
c--------------------------------------------------------------------------
c The result array is "static". Do not look for a block
c since it is not managed by blkmgr.
c--------------------------------------------------------------------------
block = -1
go to 1000
endif
c--------------------------------------------------------------------------
c Must we do the computation of the result block?
c--------------------------------------------------------------------------
if (block .le. 0) then
c----------------------------------------------------------------------------
c Block is not present. Create a new block on the fly.
c----------------------------------------------------------------------------
call create_current_block(result,array_table,
* narray_table, index_table,
* nindex_table, segment_table, nsegment_table,
* block_map_table, nblock_map_table, op,
* .true., .true., block, ierr)
create_block = .true.
if (ierr .le. 0) then
print *,'Error in compute_block: Cannot create block for ',
* 'array ',result
call dump_block_ids()
call abort_job()
else
blkndx = ierr
endif
endif
c---------------------------------------------------------------------------
c Compute the block if one or more of the operands has been updated.
c---------------------------------------------------------------------------
1000 continue
op1 = op(c_op1_array)
op2 = op(c_op2_array)
op1_type = array_table(c_array_type,op1)
op2_type = array_table(c_array_type,op2)
c---------------------------------------------------------------------------
c Unpack the array_table data for the operands.
c---------------------------------------------------------------------------
if (debug) print *,'op1, op2 = ',op1,op2
if (op1_type .eq. static_array .or.
* op1_type .eq. scalar_value) then
op1_block = -1
flag1 = 0
else
op1_block = find_current_block(op1, array_table(1,op1),
* index_table, nindex_table,
* segment_table, nsegment_table,
* block_map_table, op1_blkndx)
if (op1_block .le. 0) then
print *,'Task ',me,' Error: line ',current_line,
* ' op1 array = ',
* op1,' block = ',op1_block
print *,'Cannot compute result unless blocks exist.'
print *,'optable entry: ',(op(j),j=1,loptable_entry)
print *,'Array table entry for ',op1,' is ',
* (array_table(j,op1),j=1,larray_table_entry)
call dump_array_list(op1, array_table, narray_table,
* 'DUMP OF ARRAY BLOCKS LIST: ')
call array_block_summary(array_table, narray_table)
print *,'Current indices:'
do i = 1, nindex_table
print *,' index ',i,' current segment ',
* index_table(c_current_seg,i)
enddo
call dump_block_ids()
call abort_job()
endif
call get_block_computed_flag(op1, op1_block, op1_blkndx,
* flag1)
c--------------------------------------------------------------------------
c Check for possible block communication in progress, wait if necessary.
c--------------------------------------------------------------------------
request = get_block_request(op1, op1_block, op1_blkndx)
if (request .ne. mpi_request_null)
* call wait_on_block(op1, op1_block, op1_blkndx,
* op1_type, request,
* instruction_timer, comm_timer)
endif
if (debug) print *,'op1_block,flag1 = ',op1_block, flag1
if (op2_type .eq. static_array .or.
* op2_type .eq. scalar_value .or.
* opcode .eq. assignment_op) then
op2_block = -1
flag2 = 0
else
op2_block = find_current_block(op2, array_table(1,op2),
* index_table, nindex_table,
* segment_table, nsegment_table,
* block_map_table, op2_blkndx)
if (op2_block .le. 0) then
print *,'Error: op2 array = ',op2,' block = ',op2_block
print *,'Cannot compute result unless both blocks exist.'
print *,'optable entry: ',(op(j),j=1,loptable_entry)
call array_block_summary(array_table, narray_table)
print *,'Current indices:'
do i = 1, nindex_table
print *,' index ',i,' current segment ',
* index_table(c_current_seg,i)
enddo
call dump_block_ids()
call abort_job()
endif
call get_block_computed_flag(op2, op2_block, op2_blkndx,
* flag2)
c--------------------------------------------------------------------------
c Check for possible block communication in progress, wait if necessary.
c--------------------------------------------------------------------------
request = get_block_request(op2, op2_block, op2_blkndx)
if (request .ne. mpi_request_null)
* call wait_on_block(op2, op2_block, op2_blkndx,
* op2_type, request,
* instruction_timer, comm_timer)
endif
if (debug) print *,'op2_block,flag2 = ',op2_block, flag2
c-----------------------------------------------------------------------
c If neither of the operands were computed on this pass, there is no
c need to compute the block.
c-----------------------------------------------------------------------
if (.not. create_block) then
if (flag1 .eq. 0 .and. flag2 .eq. 0) then
c--------------------------------------------------------------------------
c Check for a scalar-scalar --> scalar operation
c--------------------------------------------------------------------------
if (result_type .eq. scalar_value .and.
* array_table(c_array_type,op1) .eq. scalar_value .and.
* array_table(c_array_type,op2) .eq. scalar_value) then
call handle_sss_op(op, array_table, narray_table,
* scalar_table, nscalar_table)
return
else if (result_type .eq. scalar_value .and.
* array_table(c_array_type,op1) .eq.
* scalar_value .and.
* opcode .eq. assignment_op) then
call handle_sss_op(op, array_table, narray_table,
* scalar_table, nscalar_table)
return
endif
endif
endif
if (opcode .eq. contraction_op) then
c---------------------------------------------------------------------------
c Contraction.
c---------------------------------------------------------------------------
ncind = 0
do i = 1, mx_array_index
cind(i) = op(c_ind1+i-1)
if (cind(i) .ne. 0) ncind = ncind + 1
enddo
c print *,'Contraction: ',(op(k),k=1,loptable_entry)
call contract_blocks(op1, op1_block, op1_blkndx,
* op2, op2_block, op2_blkndx,
* result, block, blkndx, cind, ncind,
* array_table, narray_table,
* index_table, nindex_table,
* segment_table, nsegment_table,
* scalar_table, nscalar_table,
* address_table, block_map_table,
* flopcount)
else if (opcode .eq. tensor_op) then
call tensor_contraction(op1, op1_block, op1_blkndx,
* op2, op2_block, op2_blkndx,
* result, block, blkndx,
* array_table, narray_table,
* index_table, nindex_table,
* segment_table, nsegment_table,
* scalar_table, nscalar_table,
* address_table, flopcount)
else if (opcode .eq. sum_op .or.
* opcode .eq. subtract_op) then
c---------------------------------------------------------------------------
c Summation.
c---------------------------------------------------------------------------
call sum_blocks(op1, op1_block, op1_blkndx,
* op2, op2_block, op2_blkndx,
* result, block, blkndx, opcode, array_table,
* narray_table, index_table, nindex_table,
* segment_table, nsegment_table,
* scalar_table, nscalar_table,
* address_table, flopcount)
else if (opcode .eq. assignment_op) then
call assign_block(op1, op1_block, op1_blkndx,
* result, block, blkndx,
* array_table,
* narray_table, index_table, nindex_table,
* segment_table, nsegment_table,
* scalar_table, nscalar_table,
* address_table, flopcount)
else
print *,'Error: Invalid opcode in compute_block.'
print *,' optable entry is ',
* (op(i),i=1,loptable_entry)
call abort_job()
endif
c--------------------------------------------------------------------------
c Set the "block_computed_flag" with the blkmgr.
c--------------------------------------------------------------------------
if (result_type .ne. scalar_value .and.
* result_type .ne. static_array) then
call get_block_computed_flag(result, block, blkndx,
* result_flag)
if (result_flag .eq. 0) then
call get_block_created_flag(result, block, blkndx,
* result_flag)
if (result_flag .eq. 0) then
call set_opblock(result, block, blkndx, op)
call set_block_computed_flag(result, block, blkndx, 1)
endif
endif
endif
return
end
subroutine check_create_flag(op, array_table, narray_table)
implicit none
include 'interpreter.h'
include 'parallel_info.h'
include 'trace.h'
integer narray_table
integer op(loptable_entry)
integer array_table(larray_table_entry, narray_table)
integer i, ierr
integer result, result_type
integer op1, op1_type, op2, op2_type
if (op(c_opcode) .eq. create_op .or.
* op(c_opcode) .eq. reindex_op .or.
* (op(c_opcode) .ge. sp_add_op .and.
* op(c_opcode) .le. sp_ldindex_op)) return
ierr = 0
result = op(c_result_array)
if (result .gt. 0) then
result_type = array_table(c_array_type, result)
if (result_type .eq. distributed_array) then
if (array_table(c_create_flag,result) .eq. 0) then
print *,'Task ',me,
* ' Error: Attempt to use a distributed ',
* 'array before it has been created.'
print *,'Line ',current_line,' array ',result
print *,'Operation = ',(op(i),i=1,loptable_entry)
print *,'Result array = ',result,' has not been created.'
ierr = 1
endif
endif
endif
op1 = op(c_op1_array)
if (op1 .gt. 0) then
op1_type = array_table(c_array_type,op1)
if (op1_type .eq. distributed_array) then
if (array_table(c_create_flag,op1) .eq. 0) then
print *,'Task ',me,
* ' Error: Attempt to use a distributed ',
* 'array before it has been created.'
print *,'Line ',current_line,' array ',op1
print *,'Operation = ',(op(i),i=1,loptable_entry)
print *,'Operand 1 array = ',op1,' has not been created.'
ierr = 1
endif
endif
endif
op2 = op(c_op2_array)
if (op2 .gt. 0) then
op2_type = array_table(c_array_type,op2)
if (op2_type .eq. distributed_array) then
if (array_table(c_create_flag,op2) .eq. 0) then
print *,'Task ',me,
* ' Error: Attempt to use a distributed ',
* 'array before it has been created.'
print *,'Line ',current_line,' array ',op2
print *,'Operation = ',(op(i),i=1,loptable_entry)
print *,'Operand 1 array = ',op2,' has not been created.'
ierr = 1
endif
endif
endif
if (ierr .eq. 1) then
print *,'Error at line number ',current_line
call c_flush_stdout()
call abort_job()
endif
return
end
subroutine array_block_summary(array_table, narray_table)
c-------------------------------------------------------------------------
c Prints a summary of the blocks in use for each array in the array_table.
c--------------------------------------------------------------------------
implicit none
include 'interpreter.h'
include 'mpif.h'
include 'blkmgr.h'
include 'parallel_info.h'
integer narray_table
integer array_table(larray_table_entry, narray_table)
integer get_block_array_handle
integer i, j, nblks
integer ierr
do i = 1, nblkmgr_stacks
print *,'Stack ',i,' start block ',stack_start(i),
* ' end block ',
* stack_start(i)+stack_size(i)-1,' blocksize ',
* stack_blocksize(i),' stack pointer ',free_stack_ptr(i)
enddo
print *,'ARRAY BLOCK SUMMARY FOR TASK ',me
print *,'Array Type Total blks Blks in use '
print *,'----- ----- ---------- -----------'
do i = 1, narray_table
if (array_table(c_array_type,i) .ne. scalar_value) then
nblks = 0
do j = 1, blkmgr_blocks
if (get_block_array_handle(j) .eq. i)
* nblks = nblks + 1
enddo
if (nblks .gt. 0) then
print 100,i,array_table(c_array_type,i),
* array_table(c_numblks,i),nblks
endif
endif
enddo
100 format(i5,6x,i4,6x,i5,5x,i6)
return
end
subroutine dump_array_list(array, array_table, narray_table,
* msg)
implicit none
include 'interpreter.h'
include 'blkmgr.h'
integer array
integer narray_table
integer array_table(larray_table_entry, narray_table)
character*(*) msg
integer next, i, x, nind, flag
integer seg(mx_array_index)
integer blkndx
integer get_block_array_handle
next = array_table(c_block_list,array)
nind = array_table(c_nindex, array)
print *,msg
print *,'Blocks for array ',array
100 continue
if (next .eq. 0) return
blkndx = next
x = get_block_array_handle(blkndx)
call get_block_segments(blkndx, seg)
call get_blk_header(flag, blkndx,c_block_flags)
print 200,x,blkndx,flag, (seg(i),i=1,nind)
200 format(' array, blkndx ',2i5,' flags ',i8,' segs ',6(i3,1x))
call get_blk_header(next, blkndx,c_block_list_ptr)
go to 100
return
end
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