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https://github.com/saitohirga/WSJT-X.git
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f6e6a1084f
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@4961 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
201 lines
5.1 KiB
Fortran
201 lines
5.1 KiB
Fortran
subroutine timer(dname,k)
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! Times procedure number n between a call with k=0 (tstart) and with
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! k=1 (tstop). Accumulates sums of these times in array ut (user time).
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! Also traces all calls (for debugging purposes) if limtrace.gt.0
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!
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! If this is used with OpenMP than the /tracer_priv/ common block must
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! be copyed into each thread of a thread team by using the copyin()
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! clause on the !$omp parallel directive that creates the team.
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!$ use omp_lib
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character*8 dname
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!$ integer tid
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integer onlevel(0:10)
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common/tracer/ limtrace,lu
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common/tracer_priv/level,onlevel
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parameter (MAXCALL=100)
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character*8 name(MAXCALL),space
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logical on(MAXCALL)
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real ut(MAXCALL),ut0(MAXCALL)
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!$ integer ntid(MAXCALL)
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integer nmax,ncall(MAXCALL),nlevel(MAXCALL),nparent(MAXCALL)
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common/data/nmax,name,on,ut,ut0,dut, &
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!$ ntid, &
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ncall,nlevel,nparent,total,sum,sumf,space
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data eps/0.000001/,ntrace/0/
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data level/0/,nmax/0/,space/' '/
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data limtrace/0/,lu/-1/
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!$omp threadprivate(/tracer_priv/)
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!$omp critical(timer)
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if(limtrace.lt.0) go to 999
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if(lu.lt.1) lu=6
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if(k.gt.1) go to 40 !Check for "all done" (k>1)
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onlevel(0)=0
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!$ tid=omp_get_thread_num()
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do n=1,nmax !Check for existing name/parent[/thread]
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if(name(n).eq.dname &
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!$ .and.ntid(n).eq.tid &
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) then
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if (on(n)) then
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if (nparent(n).eq.onlevel(level-1)) goto 20
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else
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if (nparent(n).eq.onlevel(level)) goto 20
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end if
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end if
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enddo
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nmax=nmax+1 !This is a new one
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n=nmax
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!$ ntid(n)=tid
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ncall(n)=0
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on(n)=.false.
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ut(n)=eps
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name(n)=dname
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20 if(k.eq.0) then !Get start times (k=0)
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if(on(n)) then
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print*,'Error in timer: ',dname,' already on.'
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end if
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level=level+1 !Increment the level
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on(n)=.true.
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! call system_clock(icount,irate)
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! ut0(n)=float(icount)/irate
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! call cpu_time(ut0(n))
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ut0(n)=secnds(0.0)
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ncall(n)=ncall(n)+1
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if(ncall(n).gt.1.and.nlevel(n).ne.level) then
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!recursion is happening
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!
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!TODO: somehow need to account for this deeper call at the
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!shallowest instance in the call chain and this needs to be
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!done without incrementing anything here other than counters
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!and timers
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!
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nlevel(n)=-1
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else
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nlevel(n)=level
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endif
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nparent(n)=onlevel(level-1)
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onlevel(level)=n
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else if(k.eq.1) then !Get stop times and accumulate sums. (k=1)
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if(on(n)) then
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on(n)=.false.
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! call system_clock(icount,irate)
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! ut1=float(icount)/irate
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! call cpu_time(ut1)
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ut1=secnds(0.0)
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ut(n)=ut(n)+ut1-ut0(n)
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endif
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level=level-1
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endif
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ntrace=ntrace+1
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if(ntrace.lt.limtrace) write(lu,1020) ntrace,tname,k,level,nparent(n)
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1020 format(i8,': ',a8,3i5)
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go to 998
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! Write out the timer statistics
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40 write(lu,1040)
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1040 format(/' Name Time Frac dTime', &
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' dFrac Calls'/58('-'))
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!$ !walk backwards through the database rolling up thread data by call chain
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!$ do i=nmax,1,-1
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!$ do j=1,i-1
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!$ l=j
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!$ m=i
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!$ do while (name(l).eq.name(m))
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!$ l=nparent(l)
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!$ m=nparent(m)
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!$ if (l.eq.0.or.m.eq.0) exit
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!$ end do
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!$ if (l.eq.0.and.m.eq.0) then
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!$ !same call chain so roll up data
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!$ ncall(j)=ncall(j)+ncall(i)
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!$ ut(j)=ut(j)+ut(i)
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!$ do n=1,nmax
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!$ if (nparent(n).eq.i) nparent(n)=j
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!$ end do
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!$ name(i)=space
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!$ exit
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!$ end if
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!$ end do
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!$ end do
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if(k.gt.100) then
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ndiv=k-100
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do i=1,nmax
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ncall(i)=ncall(i)/ndiv
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ut(i)=ut(i)/ndiv
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enddo
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endif
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total=ut(1)
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sum=0.
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sumf=0.
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call print_root(1)
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write(lu,1070) sum,sumf
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1070 format(58('-')/32x,f10.3,f6.2)
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nmax=0
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eps=0.000001
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ntrace=0
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level=0
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onlevel(0)=0
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998 flush(lu)
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999 continue
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!$omp end critical(timer)
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return
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end subroutine timer
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recursive subroutine print_root(i)
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character*16 sname
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common/tracer/ limtrace,lu
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parameter (MAXCALL=100)
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character*8 name(MAXCALL),space
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logical on(MAXCALL)
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real ut(MAXCALL),ut0(MAXCALL)
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!$ integer ntid(MAXCALL)
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integer nmax,ncall(MAXCALL),nlevel(MAXCALL),nparent(MAXCALL)
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common/data/nmax,name,on,ut,ut0,dut, &
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!$ ntid, &
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ncall,nlevel,nparent,total,sum,sumf,space
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if (i.le.nmax) then
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if (name(i).ne.space) then
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dut=ut(i)
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do j=i,nmax
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if (name(j).ne.space.and.nparent(j).eq.i) dut=dut-ut(j)
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enddo
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if(dut.lt.0.0) dut=0.0
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utf=ut(i)/total
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dutf=dut/total
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sum=sum+dut
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sumf=sumf+dutf
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kk=nlevel(i)
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sname=space(1:kk)//name(i)//space(1:8-kk)
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write(lu,2000) sname,ut(i),utf,dut,dutf,ncall(i)
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2000 format(a16,2(f10.3,f6.2),i9)
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do j=i,nmax
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if(nparent(j).eq.i) call print_root(j)
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enddo
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end if
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end if
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return
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end subroutine print_root
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