diff --git a/libsharp/sharp.c b/libsharp/sharp.c
index 6a15a51..ec6e191 100644
--- a/libsharp/sharp.c
+++ b/libsharp/sharp.c
@@ -32,7 +32,7 @@
 #include <math.h>
 #include "ls_fft.h"
 #include "sharp_ylmgen_c.h"
-#include "sharp.h"
+#include "sharp_internal.h"
 #include "c_utils.h"
 #include "sharp_core.h"
 #include "sharp_vecutil.h"
@@ -458,7 +458,7 @@ static void phase2map (sharp_job *job, int mmax, int llim, int ulim)
 } /* end of parallel region */
   }
 
-void sharp_execute_job (sharp_job *job)
+static void sharp_execute_job (sharp_job *job)
   {
   double timer=wallTime();
   job->opcnt=0;
@@ -541,9 +541,10 @@ void sharp_execute_job (sharp_job *job)
   job->time=wallTime()-timer;
   }
 
-static void sharp_build_job_common (sharp_job *job, sharp_jobtype type, int spin,
-  int add_output, const sharp_geom_info *geom_info,
-  const sharp_alm_info *alm_info, int ntrans)
+static void sharp_build_job_common (sharp_job *job, sharp_jobtype type,
+  int spin, int add_output, void **alm, void **map,
+  const sharp_geom_info *geom_info, const sharp_alm_info *alm_info, int ntrans,
+  int dp, int nv)
   {
   UTIL_ASSERT((ntrans>0),"bad number of simultaneous transforms");
   if (type==SHARP_ALM2MAP_DERIV1) spin=1;
@@ -556,47 +557,26 @@ static void sharp_build_job_common (sharp_job *job, sharp_jobtype type, int spin
   job->nalm = (type==SHARP_ALM2MAP_DERIV1) ? 1 : ((spin>0) ? 2 : 1);
   job->ginfo = geom_info;
   job->ainfo = alm_info;
-  job->nv = sharp_nv_oracle (type, spin, ntrans);
+  job->nv = (nv==0) ? sharp_nv_oracle (type, spin, ntrans) : nv;
   job->time = 0.;
   job->opcnt = 0;
   job->ntrans = ntrans;
+  job->alm=alm;
+  job->map=map;
+  job->fde=dp ? DOUBLE : FLOAT;
   }
 
-void sharpd_build_job (sharp_job *job, sharp_jobtype type, int spin,
-  int add_output, dcmplx **alm, double **map, const sharp_geom_info *geom_info,
-  const sharp_alm_info *alm_info, int ntrans)
-  {
-  sharp_build_job_common (job, type, spin, add_output, geom_info, alm_info,
-    ntrans);
-  job->alm=(void **)alm;
-  job->map=(void **)map;
-  job->fde=DOUBLE;
-  }
-
-void sharps_build_job (sharp_job *job, sharp_jobtype type, int spin,
-  int add_output, fcmplx **alm, float **map, const sharp_geom_info *geom_info,
-  const sharp_alm_info *alm_info, int ntrans)
-  {
-  sharp_build_job_common (job, type, spin, add_output, geom_info, alm_info,
-    ntrans);
-  job->alm=(void **)alm;
-  job->map=(void **)map;
-  job->fde=FLOAT;
-  }
-
-void sharp_execute_ll (sharp_jobtype type, int spin, int add_output, void **alm,
+void sharp_execute (sharp_jobtype type, int spin, int add_output, void **alm,
   void **map, const sharp_geom_info *geom_info, const sharp_alm_info *alm_info,
-  int ntrans, int dp)
+  int ntrans, int dp, int nv, double *time, unsigned long long *opcnt)
   {
   sharp_job job;
-  if (dp)
-    sharpd_build_job (&job, type, spin, add_output, (dcmplx **)alm,
-      (double **)map, geom_info, alm_info, ntrans);
-  else
-    sharps_build_job (&job, type, spin, add_output, (fcmplx **)alm,
-      (float **)map, geom_info, alm_info, ntrans);
+  sharp_build_job_common (&job, type, spin, add_output, alm, map, geom_info,
+    alm_info, ntrans, dp, nv);
 
   sharp_execute_job (&job);
+  if (time!=NULL) *time = job.time;
+  if (opcnt!=NULL) *opcnt = job.opcnt;
   }
 
 int sharp_get_nv_max (void)
@@ -633,17 +613,18 @@ static int sharp_oracle (sharp_jobtype type, int spin, int ntrans)
   for (int nv=1; nv<=sharp_get_nv_max(); ++nv)
     {
     double time_acc=0.;
-    sharp_job job;
-    sharpd_build_job(&job,type,spin,0,&alm[0],&map[0],tinfo,alms,ntrans);
-    job.nv=nv;
+    double jtime;
+    int ntries=0;
     do
       {
-      sharp_execute_job(&job);
+      sharp_execute(type,spin,0,(void **)(&alm[0]),(void **)(&map[0]),tinfo,
+        alms,ntrans,1,nv,&jtime,NULL);
 
-      if (job.time<time) { time=job.time; nvbest=nv; }
-      time_acc+=job.time;
+      if (jtime<time) { time=jtime; nvbest=nv; }
+      time_acc+=jtime;
+      ++ntries;
       }
-    while (time_acc<0.02);
+    while ((time_acc<0.02)&&(ntries<2));
     }
 
   DEALLOC2D(map);
@@ -665,20 +646,13 @@ int sharp_nv_oracle (sharp_jobtype type, int spin, int ntrans)
     {{0,0,0},{0,0,0}},
     {{0,0,0},{0,0,0}} };
 
-  static int in_oracle=0;
-  if (in_oracle) return -20;
-
   if (type==SHARP_ALM2MAP_DERIV1) spin=1;
   UTIL_ASSERT((ntrans>0),"bad number of simultaneous transforms");
   UTIL_ASSERT((spin>=0)&&(spin<=30), "bad spin");
   ntrans=IMIN(ntrans,maxtr);
 
   if (nv_opt[ntrans-1][spin!=0][type]==0)
-    {
-    in_oracle=1;
     nv_opt[ntrans-1][spin!=0][type]=sharp_oracle(type,spin,ntrans);
-    in_oracle=0;
-    }
   return nv_opt[ntrans-1][spin!=0][type];
   }
 
diff --git a/libsharp/sharp.h b/libsharp/sharp.h
index 88c247f..9c5dd57 100644
--- a/libsharp/sharp.h
+++ b/libsharp/sharp.h
@@ -40,68 +40,4 @@
 
 #include "sharp_lowlevel.h"
 
-typedef enum { FLOAT, DOUBLE } sharp_fde;
-
-/*! \internal
-    Type holding all required information about an SHT job. */
-typedef struct
-  {
-  sharp_jobtype type;
-  int spin;
-  int add_output;
-  int nmaps, nalm;
-  sharp_fde fde;
-  void **map;
-  void **alm;
-  complex double *phase;
-  double *norm_l;
-  complex double *almtmp;
-  const sharp_geom_info *ginfo;
-  const sharp_alm_info *ainfo;
-  int nv;
-  double time;
-  int ntrans;
-  unsigned long long opcnt;
-  } sharp_job;
-
-/*! \defgroup jobgroup Functionality for defining and executing SHTs */
-/*! \{ */
-
-/*! Initializes \a job with the appropriate parameters to perform the required
-  SHT.
-  \param type the type of SHT
-  \param spin the spin of the quantities to be transformed
-  \param add_output if 0, the output arrays will be overwritten,
-    else the result will be added to the output arrays.
-  \param ntrans the number of simultaneous SHTs
-  \param alm contains pointers to the a_lm coefficients. If \a spin==0,
-    alm[0] points to the a_lm of the first SHT, alm[1] to those of the second
-    etc. If \a spin>0, alm[0] and alm[1] point to the a_lm of the first SHT,
-    alm[2] and alm[3] to those of the second, etc.
-  \param map contains pointers to the maps. If \a spin==0,
-    map[0] points to the map of the first SHT, map[1] to that of the second
-    etc. If \a spin>0, map[0] and map[1] point to the maps of the first SHT,
-    map[2] and map[3] to those of the second, etc.
-  \note \a map and \a a_lm must not be de-allocated until after the last call of
-    sharp_execute_job()! This is because the library does not copy the input
-    data, but only stores the pointers to the supplied maps and a_lm. */
-void sharpd_build_job (sharp_job *job, sharp_jobtype type, int spin,
-  int add_output, complex double **alm, double **map,
-  const sharp_geom_info *geom_info, const sharp_alm_info *alm_info, int ntrans);
-
-void sharps_build_job (sharp_job *job, sharp_jobtype type, int spin,
-  int add_output, complex float **alm, float **map,
-  const sharp_geom_info *geom_info, const sharp_alm_info *alm_info, int ntrans);
-
-/*! Execute the SHT job previously constructed by sharpd_build_job() or
-    sharps_build_job(). */
-void sharp_execute_job (sharp_job *job);
-
-/*! \} */
-
-/*! Internal */
-int sharp_get_nv_max (void);
-/*! Internal */
-int sharp_nv_oracle (sharp_jobtype type, int spin, int ntrans);
-
 #endif
diff --git a/libsharp/sharp_acctest.c b/libsharp/sharp_acctest.c
index efc536a..0d987fb 100644
--- a/libsharp/sharp_acctest.c
+++ b/libsharp/sharp_acctest.c
@@ -111,9 +111,8 @@ static void check_sign_scale(void)
       for (int j=0; j<nalms; ++j)
         alm[i][j]=1.+_Complex_I;
 
-    sharp_job job;
-    sharpd_build_job(&job,SHARP_ALM2MAP,0,0,&alm[0],&map[0],tinfo,alms,ntrans);
-    sharp_execute_job(&job);
+    sharp_execute(SHARP_ALM2MAP,0,0,(void **)&alm[0],(void **)&map[0],tinfo,
+      alms,ntrans,1,0,NULL,NULL);
     for (int it=0; it<ntrans; ++it)
       {
       UTIL_ASSERT(FAPPROX(map[it][0     ], 3.588246976618616912e+00,1e-12),
@@ -123,8 +122,8 @@ static void check_sign_scale(void)
       UTIL_ASSERT(FAPPROX(map[it][npix-1],-1.234675107554816442e+01,1e-12),
         "error");
       }
-    sharpd_build_job(&job,SHARP_ALM2MAP,1,0,&alm[0],&map[0],tinfo,alms,ntrans);
-    sharp_execute_job(&job);
+    sharp_execute(SHARP_ALM2MAP,1,0,(void **)&alm[0],(void **)&map[0],tinfo,
+      alms,ntrans,1,0,NULL,NULL);
     for (int it=0; it<ntrans; ++it)
       {
       UTIL_ASSERT(FAPPROX(map[2*it  ][0     ], 2.750897760535633285e+00,1e-12),
@@ -141,8 +140,8 @@ static void check_sign_scale(void)
         "error");
       }
 
-    sharpd_build_job(&job,SHARP_ALM2MAP,2,0,&alm[0],&map[0],tinfo,alms,ntrans);
-    sharp_execute_job(&job);
+    sharp_execute(SHARP_ALM2MAP,2,0,(void **)&alm[0],(void **)&map[0],tinfo,
+      alms,ntrans,1,0,NULL,NULL);
     for (int it=0; it<ntrans; ++it)
       {
       UTIL_ASSERT(FAPPROX(map[2*it  ][0     ],-1.398186224727334448e+00,1e-12),
@@ -159,9 +158,8 @@ static void check_sign_scale(void)
         "error");
       }
 
-    sharpd_build_job(&job,SHARP_ALM2MAP_DERIV1,1,0,&alm[0],&map[0],tinfo,alms,
-      ntrans);
-    sharp_execute_job(&job);
+    sharp_execute(SHARP_ALM2MAP_DERIV1,1,0,(void **)&alm[0],(void **)&map[0],
+      tinfo,alms,ntrans,1,0,NULL,NULL);
     for (int it=0; it<ntrans; ++it)
       {
       UTIL_ASSERT(FAPPROX(map[2*it  ][0     ],-6.859393905369091105e-01,1e-11),
@@ -207,14 +205,10 @@ static void check_accuracy (sharp_geom_info *tinfo, ptrdiff_t lmax,
   dcmplx **alm2;
   ALLOC2D(alm2,dcmplx,ncomp,nalms);
 
-  sharp_job job;
-  sharpd_build_job(&job,SHARP_ALM2MAP,spin,0,&alm[0],&map[0],tinfo,alms,ntrans);
-  job.nv=nv;
-  sharp_execute_job(&job);
-
-  sharpd_build_job(&job,SHARP_MAP2ALM,spin,0,&alm2[0],&map[0],tinfo,alms,ntrans);
-  job.nv=nv;
-  sharp_execute_job(&job);
+  sharp_execute(SHARP_ALM2MAP,spin,0,(void **)(&alm[0]),(void **)(&map[0]),
+    tinfo,alms,ntrans,1,nv,NULL,NULL);
+  sharp_execute(SHARP_MAP2ALM,spin,0,(void **)(&alm2[0]),(void **)(&map[0]),
+    tinfo,alms,ntrans,1,nv,NULL,NULL);
   measure_errors(alm,alm2,nalms,ncomp);
 
   DEALLOC2D(map);
diff --git a/libsharp/sharp_bench.c b/libsharp/sharp_bench.c
index 2d0b679..131f8f8 100644
--- a/libsharp/sharp_bench.c
+++ b/libsharp/sharp_bench.c
@@ -67,19 +67,17 @@ static void bench_sht (int spin, int nv, sharp_jobtype type,
   SET_ARRAY(alm[0],0,nalms*ncomp,0.);
 
   int nruns=0;
-  sharp_job job;
-  sharpd_build_job(&job,type,spin,0,&alm[0],&map[0],tinfo,alms,ntrans);
-  job.nv=nv;
   *time=1e30;
   *opcnt=1000000000000000;
   do
     {
-    sharpd_build_job(&job,type,spin,0,&alm[0],&map[0],tinfo,alms,ntrans);
-    job.nv=nv;
-    sharp_execute_job(&job);
+    double jtime;
+    unsigned long long jopcnt;
+    sharp_execute(type,spin,0,(void **)(&alm[0]),(void **)(&map[0]),tinfo,alms,
+      ntrans,1,nv,&jtime,&jopcnt);
 
-    if (job.opcnt<*opcnt) *opcnt=job.opcnt;
-    if (job.time<*time) *time=job.time;
+    if (jopcnt<*opcnt) *opcnt=jopcnt;
+    if (jtime<*time) *time=jtime;
     }
   while (++nruns < 4);
 
diff --git a/libsharp/sharp_core.h b/libsharp/sharp_core.h
index 6d68210..17b5881 100644
--- a/libsharp/sharp_core.h
+++ b/libsharp/sharp_core.h
@@ -32,7 +32,7 @@
 #ifndef PLANCK_SHARP_CORE_H
 #define PLANCK_SHARP_CORE_H
 
-#include "sharp.h"
+#include "sharp_internal.h"
 #include "sharp_ylmgen_c.h"
 
 #ifdef __cplusplus
diff --git a/libsharp/sharp_cxx.h b/libsharp/sharp_cxx.h
index 1372fe0..e2c881c 100644
--- a/libsharp/sharp_cxx.h
+++ b/libsharp/sharp_cxx.h
@@ -98,8 +98,8 @@ template<typename T> class sharp_cxxjob: public sharp_base
     void alm2map (const xcomplex<T> *alm, T *map, bool add)
       {
       void *aptr=conv(alm), *mptr=conv(map);
-      sharp_execute_ll (SHARP_ALM2MAP, 0, add, &aptr, &mptr, ginfo, ainfo, 1,
-        cxxjobhelper__<T>::val);
+      sharp_execute (SHARP_ALM2MAP, 0, add, &aptr, &mptr, ginfo, ainfo, 1,
+        cxxjobhelper__<T>::val,0,0,0);
       }
     void alm2map_spin (const xcomplex<T> *alm1, const xcomplex<T> *alm2,
       T *map1, T *map2, int spin, bool add)
@@ -107,21 +107,21 @@ template<typename T> class sharp_cxxjob: public sharp_base
       void *aptr[2], *mptr[2];
       aptr[0]=conv(alm1); aptr[1]=conv(alm2);
       mptr[0]=conv(map1); mptr[1]=conv(map2);
-      sharp_execute_ll (SHARP_ALM2MAP, spin, add, aptr, mptr, ginfo, ainfo, 1,
-        cxxjobhelper__<T>::val);
+      sharp_execute (SHARP_ALM2MAP, spin, add, aptr, mptr, ginfo, ainfo, 1,
+        cxxjobhelper__<T>::val,0,0,0);
       }
     void alm2map_der1 (const xcomplex<T> *alm, T *map1, T *map2, bool add)
       {
       void *aptr=conv(alm), *mptr[2];
       mptr[0]=conv(map1); mptr[1]=conv(map2);
-      sharp_execute_ll (SHARP_ALM2MAP_DERIV1, 1, add,&aptr, mptr, ginfo, ainfo,
-        1, cxxjobhelper__<T>::val);
+      sharp_execute (SHARP_ALM2MAP_DERIV1, 1, add,&aptr, mptr, ginfo, ainfo,
+        1, cxxjobhelper__<T>::val,0,0,0);
       }
     void map2alm (const T *map, xcomplex<T> *alm, bool add)
       {
       void *aptr=conv(alm), *mptr=conv(map);
-      sharp_execute_ll (SHARP_MAP2ALM, 0, add, &aptr, &mptr, ginfo, ainfo, 1,
-        cxxjobhelper__<T>::val);
+      sharp_execute (SHARP_MAP2ALM, 0, add, &aptr, &mptr, ginfo, ainfo, 1,
+        cxxjobhelper__<T>::val,0,0,0);
       }
     void map2alm_spin (const T *map1, const T *map2, xcomplex<T> *alm1,
       xcomplex<T> *alm2, int spin, bool add)
@@ -129,8 +129,8 @@ template<typename T> class sharp_cxxjob: public sharp_base
       void *aptr[2], *mptr[2];
       aptr[0]=conv(alm1); aptr[1]=conv(alm2);
       mptr[0]=conv(map1); mptr[1]=conv(map2);
-      sharp_execute_ll (SHARP_MAP2ALM, spin, add, aptr, mptr, ginfo, ainfo, 1,
-        cxxjobhelper__<T>::val);
+      sharp_execute (SHARP_MAP2ALM, spin, add, aptr, mptr, ginfo, ainfo, 1,
+        cxxjobhelper__<T>::val,0,0,0);
       }
   };
 
diff --git a/libsharp/sharp_internal.h b/libsharp/sharp_internal.h
new file mode 100644
index 0000000..1a05256
--- /dev/null
+++ b/libsharp/sharp_internal.h
@@ -0,0 +1,66 @@
+/*
+ *  This file is part of libsharp.
+ *
+ *  libsharp is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  libsharp is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with libsharp; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+/*
+ *  libsharp is being developed at the Max-Planck-Institut fuer Astrophysik
+ *  and financially supported by the Deutsches Zentrum fuer Luft- und Raumfahrt
+ *  (DLR).
+ */
+
+/*! \file sharp_internal.h
+ *  Internally used functionality for the spherical transform library.
+ *
+ *  Copyright (C) 2006-2012 Max-Planck-Society
+ *  \author Martin Reinecke
+ */
+
+#ifndef PLANCK_SHARP_INTERNAL_H
+#define PLANCK_SHARP_INTERNAL_H
+
+#ifdef __cplusplus
+#error This header file cannot be included from C++, only from C
+#endif
+
+#include "sharp.h"
+
+typedef enum { FLOAT, DOUBLE } sharp_fde;
+
+typedef struct
+  {
+  sharp_jobtype type;
+  int spin;
+  int add_output;
+  int nmaps, nalm;
+  sharp_fde fde;
+  void **map;
+  void **alm;
+  complex double *phase;
+  double *norm_l;
+  complex double *almtmp;
+  const sharp_geom_info *ginfo;
+  const sharp_alm_info *ainfo;
+  int nv;
+  double time;
+  int ntrans;
+  unsigned long long opcnt;
+  } sharp_job;
+
+int sharp_get_nv_max (void);
+int sharp_nv_oracle (sharp_jobtype type, int spin, int ntrans);
+
+#endif
diff --git a/libsharp/sharp_lowlevel.h b/libsharp/sharp_lowlevel.h
index 6faf5df..b1e9509 100644
--- a/libsharp/sharp_lowlevel.h
+++ b/libsharp/sharp_lowlevel.h
@@ -163,10 +163,16 @@ typedef enum { SHARP_MAP2ALM,       /*!< analysis */
   \param ntrans the number of simultaneous SHTs
   \param dp if 0, the \a alm is expected to have the type "complex float **"
     and \a map is expected to have the type "float **"; otherwise the expected
-    types are "complex double **" and "double **", respectively. */
-void sharp_execute_ll (sharp_jobtype type, int spin, int add_output, void **alm,
+    types are "complex double **" and "double **", respectively.
+  \param nv Internally used SHT parameter. Set to 0 unless you know what you are
+    doing.
+  \param time If not NULL, the wall clock time required for this SHT
+    (in seconds)will be written here.
+  \param opcnt If not NULL, a conservative estimate of the total floating point
+    operation count for this SHT will be written here. */
+void sharp_execute (sharp_jobtype type, int spin, int add_output, void **alm,
   void **map, const sharp_geom_info *geom_info, const sharp_alm_info *alm_info,
-  int ntrans, int dp);
+  int ntrans, int dp, int nv, double *time, unsigned long long *opcnt);
 
 /*! \} */
 
diff --git a/libsharp/sharp_mpi.c b/libsharp/sharp_mpi.c
index 05efd5c..9899057 100644
--- a/libsharp/sharp_mpi.c
+++ b/libsharp/sharp_mpi.c
@@ -199,7 +199,7 @@ static void map2alm_comm (sharp_job *job, const sharp_mpi_info *minfo)
     sharp_communicate_map2alm (minfo,&job->phase);
   }
 
-void sharp_execute_job_mpi (sharp_job *job, MPI_Comm comm)
+static void sharp_execute_job_mpi (sharp_job *job, MPI_Comm comm)
   {
   double timer=wallTime();
   int ntasks;
@@ -283,4 +283,18 @@ void sharp_execute_job_mpi (sharp_job *job, MPI_Comm comm)
   job->time=wallTime()-timer;
   }
 
+void sharp_execute_mpi (MPI_Comm comm, sharp_jobtype type, int spin,
+  int add_output, void **alm, void **map, const sharp_geom_info *geom_info,
+  const sharp_alm_info *alm_info, int ntrans, int dp, int nv, double *time,
+  unsigned long long *opcnt)
+  {
+  sharp_job job;
+  sharp_build_job_common (&job, type, spin, add_output, alm, map, geom_info,
+    alm_info, ntrans, dp, nv);
+
+  sharp_execute_job_mpi (&job, comm);
+  if (time!=NULL) *time = job.time;
+  if (opcnt!=NULL) *opcnt = job.opcnt;
+  }
+
 #endif
diff --git a/libsharp/sharp_mpi.h b/libsharp/sharp_mpi.h
index 3bef24a..d34fea9 100644
--- a/libsharp/sharp_mpi.h
+++ b/libsharp/sharp_mpi.h
@@ -39,7 +39,10 @@
 extern "C" {
 #endif
 
-void sharp_execute_job_mpi (sharp_job *job, MPI_Comm comm);
+void sharp_execute_mpi (MPI_Comm comm, sharp_jobtype type, int spin,
+  int add_output, void **alm, void **map, const sharp_geom_info *geom_info,
+  const sharp_alm_info *alm_info, int ntrans, int dp, int nv, double *time,
+  unsigned long long *opcnt);
 
 #ifdef __cplusplus
 }
diff --git a/libsharp/sharp_test.c b/libsharp/sharp_test.c
index 005eb7c..30e06de 100644
--- a/libsharp/sharp_test.c
+++ b/libsharp/sharp_test.c
@@ -116,11 +116,12 @@ static void map2alm_iter (sharp_geom_info *tinfo, double **map,
   sharp_alm_info *alms;
   sharp_make_triangular_alm_info(lmax,mmax,1,&alms);
 
-  sharp_job job;
-  sharpd_build_job(&job,SHARP_MAP2ALM,spin,0,&alm[0],&map[0],tinfo,alms,ntrans);
-  sharp_execute_job(&job);
-  printf("wall time for map2alm: %fs\n",job.time);
-  printf("Performance: %fGFLOPs/s\n",1e-9*job.opcnt/job.time);
+  double time;
+  unsigned long long opcnt;
+  sharp_execute(SHARP_MAP2ALM,spin,0,(void **)&alm[0],(void **)&map[0],tinfo,alms,ntrans,1,0,
+    &time,&opcnt);
+  printf("wall time for map2alm: %fs\n",time);
+  printf("Performance: %fGFLOPs/s\n",1e-9*opcnt/time);
   measure_errors(alm_orig,alm,nalms,ncomp);
 
   for (int iter=0; iter<niter; ++iter)
@@ -128,20 +129,18 @@ static void map2alm_iter (sharp_geom_info *tinfo, double **map,
     double **map2;
     ALLOC2D(map2,double,ncomp,npix);
     printf ("\niteration %i:\n", iter+1);
-    sharpd_build_job(&job,SHARP_ALM2MAP,spin,0,&alm[0],&map2[0],tinfo,alms,
-      ntrans);
-    sharp_execute_job(&job);
-    printf("wall time for alm2map: %fs\n",job.time);
-    printf("Performance: %fGFLOPs/s\n",1e-9*job.opcnt/job.time);
+    sharp_execute(SHARP_ALM2MAP,spin,0,(void **)&alm[0],(void **)&map2[0],tinfo,alms,ntrans,1,0,
+      &time,&opcnt);
+    printf("wall time for alm2map: %fs\n",time);
+    printf("Performance: %fGFLOPs/s\n",1e-9*opcnt/time);
     for (int i=0; i<ncomp; ++i)
       for (ptrdiff_t m=0; m<npix; ++m)
         map2[i][m] = map[i][m]-map2[i][m];
 
-    sharpd_build_job(&job,SHARP_MAP2ALM,spin,1,&alm[0],&map2[0],tinfo,alms,
-      ntrans);
-    sharp_execute_job(&job);
-    printf("wall time for map2alm: %fs\n",job.time);
-    printf("Performance: %fGFLOPs/s\n",1e-9*job.opcnt/job.time);
+    sharp_execute(SHARP_MAP2ALM,spin,1,(void **)&alm[0],(void **)&map2[0],tinfo,alms,ntrans,1,0,
+      &time,&opcnt);
+    printf("wall time for map2alm: %fs\n",time);
+    printf("Performance: %fGFLOPs/s\n",1e-9*opcnt/time);
     DEALLOC2D(map2);
     measure_errors(alm_orig,alm,nalms,ncomp);
     }
@@ -170,12 +169,13 @@ static void check_accuracy (sharp_geom_info *tinfo, ptrdiff_t lmax,
   dcmplx **alm2;
   ALLOC2D(alm2,dcmplx,ncomp,nalms);
 
-  sharp_job job;
+  double time;
+  unsigned long long opcnt;
   printf ("\niteration 0:\n");
-  sharpd_build_job(&job,SHARP_ALM2MAP,spin,0,&alm[0],&map[0],tinfo,alms,ntrans);
-  sharp_execute_job(&job);
-  printf("wall time for alm2map: %fs\n",job.time);
-  printf("Performance: %fGFLOPs/s\n",1e-9*job.opcnt/job.time);
+  sharp_execute(SHARP_ALM2MAP,spin,0,(void **)&alm[0],(void **)&map[0],tinfo,alms,ntrans,1,0,
+    &time,&opcnt);
+  printf("wall time for alm2map: %fs\n",time);
+  printf("Performance: %fGFLOPs/s\n",1e-9*opcnt/time);
 
   map2alm_iter(tinfo,map,alm,alm2,lmax,mmax,npix,nalms,spin,ntrans,niter);
 
diff --git a/libsharp/sharp_test_mpi.c b/libsharp/sharp_test_mpi.c
index ddb39f1..db25573 100644
--- a/libsharp/sharp_test_mpi.c
+++ b/libsharp/sharp_test_mpi.c
@@ -197,11 +197,13 @@ static void map2alm_iter (sharp_geom_info *tinfo, double **map,
   sharp_make_triangular_alm_info(lmax,mmax,1,&alms);
   reduce_alm_info(alms);
 
-  sharp_job job;
-  sharpd_build_job(&job,SHARP_MAP2ALM,spin,0,&alm[0],&map[0],tinfo,alms,ntrans);
-  sharp_execute_job_mpi(&job,MPI_COMM_WORLD);
-  unsigned long long opcnt=totalops(job.opcnt);
-  double timer=maxTime(job.time);
+  double jtime;
+  unsigned long long jopcnt;
+
+  sharp_execute_mpi(MPI_COMM_WORLD,SHARP_MAP2ALM,spin,0,(void **)&alm[0],
+    (void **)&map[0],tinfo,alms,ntrans,1,0,&jtime,&jopcnt);
+  unsigned long long opcnt=totalops(jopcnt);
+  double timer=maxTime(jtime);
   if (mytask==0) printf("wall time for map2alm: %fs\n",timer);
   if (mytask==0) printf("Performance: %fGFLOPs/s\n",1e-9*opcnt/timer);
   measure_errors(alm_orig,alm,alms,ncomp);
@@ -211,22 +213,20 @@ static void map2alm_iter (sharp_geom_info *tinfo, double **map,
     double **map2;
     ALLOC2D(map2,double,ncomp,npix);
     if (mytask==0) printf ("\niteration %i:\n", iter+1);
-    sharpd_build_job(&job,SHARP_ALM2MAP,spin,0,&alm[0],&map2[0],tinfo,alms,
-      ntrans);
-    sharp_execute_job_mpi(&job,MPI_COMM_WORLD);
-    opcnt=totalops(job.opcnt);
-    timer=maxTime(job.time);
+    sharp_execute_mpi(MPI_COMM_WORLD,SHARP_ALM2MAP,spin,0,(void **)&alm[0],
+      (void **)&map2[0],tinfo,alms,ntrans,1,0,&jtime,&jopcnt);
+    opcnt=totalops(jopcnt);
+    timer=maxTime(jtime);
     if (mytask==0) printf("wall time for alm2map: %fs\n",timer);
     if (mytask==0) printf("Performance: %fGFLOPs/s\n",1e-9*opcnt/timer);
     for (int i=0; i<ncomp; ++i)
       for (ptrdiff_t m=0; m<npix; ++m)
         map2[i][m] = map[i][m]-map2[i][m];
 
-    sharpd_build_job(&job,SHARP_MAP2ALM,spin,1,&alm[0],&map2[0],tinfo,alms,
-      ntrans);
-    sharp_execute_job_mpi(&job,MPI_COMM_WORLD);
-    opcnt=totalops(job.opcnt);
-    timer=maxTime(job.time);
+    sharp_execute_mpi(MPI_COMM_WORLD,SHARP_MAP2ALM,spin,1,(void **)&alm[0],
+      (void **)&map2[0],tinfo,alms,ntrans,1,0,&jtime,&jopcnt);
+    opcnt=totalops(jopcnt);
+    timer=maxTime(jtime);
     if (mytask==0) printf("wall time for map2alm: %fs\n",wallTime()-timer);
     if (mytask==0) printf("Performance: %fGFLOPs/s\n",1e-9*opcnt/timer);
     DEALLOC2D(map2);
@@ -244,6 +244,9 @@ static void check_accuracy (sharp_geom_info *tinfo, ptrdiff_t lmax,
   double **map;
   ALLOC2D(map,double,ncomp,npix);
 
+  double jtime;
+  unsigned long long jopcnt;
+
   sharp_alm_info *alms;
   ptrdiff_t nalms;
   sharp_make_triangular_alm_info(lmax,mmax,1,&alms);
@@ -260,11 +263,10 @@ static void check_accuracy (sharp_geom_info *tinfo, ptrdiff_t lmax,
   ALLOC2D(alm2,dcmplx,ncomp,nalms);
 
   if (mytask==0) printf ("\niteration 0:\n");
-  sharp_job job;
-  sharpd_build_job(&job,SHARP_ALM2MAP,spin,0,&alm[0],&map[0],tinfo,alms,ntrans);
-  sharp_execute_job_mpi(&job,MPI_COMM_WORLD);
-  unsigned long long opcnt=totalops(job.opcnt);
-  double timer=maxTime(job.time);
+  sharp_execute_mpi(MPI_COMM_WORLD,SHARP_ALM2MAP,spin,0,(void **)&alm[0],
+    (void **)&map[0],tinfo,alms,ntrans,1,0,&jtime,&jopcnt);
+  unsigned long long opcnt=totalops(jopcnt);
+  double timer=maxTime(jtime);
   if (mytask==0) printf("wall time for alm2map: %fs\n",timer);
   if (mytask==0) printf("Performance: %fGFLOPs/s\n",1e-9*opcnt/timer);