Changeset 18792

Timestamp:

Jul 30, 2008, 2:23:30 PM (18 years ago)

Author:

eugene

Message:

adding notes for threading

Location:

branches/eam_branch_20080719/psphot/src

Files:

• psphotModelBackground.c (modified) (1 diff)
• psphotSignificanceImage.c (modified) (2 diffs)
• psphotSubtractBackground.c (modified) (1 diff)

branches/eam_branch_20080719/psphot/src/psphotModelBackground.c

@@ -135 +135 @@
     psF32 **modelStdevData = modelStdev->image->data.F32;
 
+    // XXXX we can thread this here by running blocks in parallel
+
     // measure clipped median for subimages
     psRegion ruffRegion = {0,0,0,0};

branches/eam_branch_20080719/psphot/src/psphotSignificanceImage.c

@@ -12 +12 @@
     // smooth the image and weight map
     psTimerStart ("smooth");
+
+    // XXX we can a) choose fft to convolve if needed and b) multithread fftw
 
     bool status_x, status_y;
@@ -94 +96 @@
     psMetadataAddF32  (recipe, PS_LIST_TAIL, "SIGNIFICANCE_SCALE_FACTOR", PS_META_REPLACE, "Signicance scale factor", factor);
 
+    // XXX multithread this if needed
     for (int j = 0; j < smooth_im->numRows; j++) {
         for (int i = 0; i < smooth_im->numCols; i++) {

branches/eam_branch_20080719/psphot/src/psphotSubtractBackground.c

@@ -90 +90 @@
 
     // subtract the background model (save in backSub, if requested)
+    // XXX if needed, multithread this (fairly trivial)
     for (int j = 0; j < image->numRows; j++) {
         for (int i = 0; i < image->numCols; i++) {