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The Involved Father


Read this as a start:
The way fathers play with their children also has an important impact on a child’s emotional and social development.
and the follow on.

Earlier, I was mystified how as a shy socially unadept kid, I ended up raising three uber-confident socially adept kids. Made no sense. This single observation fits perfectly. I know my father meant well, did the best he knew how, but was distant and uninvolved. To my kids, I was a strong, playful, very much involved presence. The mapping is exact.

Now I have a grandson. To him I am an affectionate, strong, playful force. His father, uncle, and aunt (my kids) are the same. He is a confident, joyful kid.

Wish I could do this right.

Choosing ordered distinct random integers


This is a response to a puzzle posted by Daniel Lemire.

On first reading, I missed that Daniel wanted an ordered set, so offered a ‘shuffle’ algorithm.

On second reading, noting the power-of-two bias in the benchmark, took advantage and offered a ‘cheat’ algorithm, as an upper limit. The ‘cheat’ algorithm does not generate all possible sets. But it is fast. Which matters most depends on your usage.

Posted the sources to GitHub.

… a diversion. :)

Reporting speed as millions of values per second.  Max: 1048576
              hash  hash/neg    hybrid reservoir      tree   shuffle     cheat          
  4096        0.27      1.21      5.37      0.01      0.53      5.28      7.01
  2048        4.33      2.59      5.12      0.02      2.65     10.09     92.93
  1024        4.27      6.53      3.14      0.04      4.39     12.50    108.37
   512        5.07      6.32     11.11      0.09      5.09     12.17    111.78
   256        5.22      5.86     16.16      0.18      4.46     11.52    108.13
   128        5.31      5.48     19.95      0.35      4.32     10.83    107.33
    64        5.32      5.60     22.89      0.68      3.95     10.22    107.44
    32        5.36      5.44     26.49      1.29      3.91      9.81    107.45
    16        4.91      5.04     28.51      2.35      3.19      9.39    107.37
     8        3.84      3.94     28.28      4.03      2.47      8.76    107.63
     4        2.72      2.80     26.85      6.54      1.51      8.50    107.10
     2        2.08      2.11     21.98     10.71      0.94      8.06    106.16
Reporting speed as millions of values per second.  Max: 262144
              hash  hash/neg    hybrid reservoir      tree   shuffle     cheat          
  1024        7.22      7.30      9.00      0.05      6.77     15.14    105.88
   512        6.99      6.95     12.57      0.09      6.83     14.04    105.59
   256        6.78      6.74     15.81      0.18      5.88     10.09    103.17
   128        6.20      6.28     20.68      0.35      5.75     12.61    112.66
    64        6.19      6.12     24.73      0.69      4.71     12.16    111.99
    32        5.96      5.97     28.04      1.32      4.74     11.51    110.57
    16        5.51      5.85     30.23      2.43      4.32     10.96    108.58
     8        5.48      5.57     30.78      4.14      3.73     10.42    112.01
     4        5.25      5.26     28.93      6.89      3.09      9.61    104.60
     2        3.78      3.80     23.74     11.56      1.93      9.19    106.82
Reporting speed as millions of values per second.  Max: 65536
              hash  hash/neg    hybrid reservoir      tree   shuffle     cheat          
   256        6.52      6.66     16.45      0.17      7.11     15.54     94.37
   128        6.56      7.01     21.25      0.35      6.74     14.11    111.87
    64        6.62      6.56     24.87      0.67      5.75     12.59    102.90
    32        5.63      5.96     26.33      1.23      5.67     12.40    108.15
    16        6.21      6.09     30.36      2.46      5.10     12.10    110.82
     8        5.60      5.75     30.36      4.48      4.56     11.55    110.59
     4        5.99      5.79     28.92      7.44      3.95     10.96    110.19
     2        5.61      5.76     23.79     12.63      2.99     10.44    109.16

The tree died.


The tree died.  Not sure when.

The dwarf apple tree over the backyard patio died. Not sure when, exactly. Some time in the past year.

The tree grew like crazy every year. Required careful pruning for balance, and to provide a good space for the patio beneath. Very nice space. Very healthy tree. Spent many working hours on the patio, beneath that tree, with a gold-furred dog sleeping near, in the decade I worked from home while my kids grew.

The kids are grown. Started working in an office a couple years ago. Almost no time spent outside. The dog is gone, and now the tree is gone. As are other bits.

Changes of mind as well. Listening to my old iPod on shuffle, much of the music I have collected now seems … irrelevant. Odd. In a sense the music I kept became or reflected a part of me. Music as a seamless part of my background, no longer applies. Why?

Going to split my music collection. A first. Time to jettison a large part of the past.

I tend to accumulate things. Something I got from my father. Visited my father recently. Clutter is slowly overwhelming his new house in Colorado. His stories were much about the past. I was not in a mind to follow.

I keep too much, at first, then throw things away. Digging through and discarding old stuff. “Might be useful someday.” Or not. Gone.

Folk of my age seem to be much into nostalgia. Listen to the old songs. Visit the past. Groups value “tribute” bands. Other patterns I cannot follow. Nostalgia means nothing to me.

Sometimes it seems as though my mind creates the world around me. Not exactly true … but not wrong. With a change in focus an attention, other things change. There are many things that worked, because I paid attention. Now that my focus has shifted, some past-things no longer work. I am of a mind to simplify, rather than go back.

Hiking through the local wilderness area. A path I took many hundreds of times before was … different. As though all the colors have shifted. As though I was looking through different eyes.

Divide your life into quarters: health, kids, work, and pairing. Three quarters are very strong. The last always empty. Might be able to do something meaningful about that last, finally.

My mind has changed. Not sure where I am going, exactly. One thing is clear. The future is more interesting than the past.

New Buildings and Old Sidewalks


In line for a performance in Los Angeles. Standing on an old, warped sidewalk. Building across the way getting a new facade. Lame conversation behind with three heads echoing a single thought, before interrupted. Girl posed a question: “What do you want to talk about?”

What indeed. Struck by the oddity of new and old in downtown Los Angeles. A question, lurking beneath, but not words.

Why new buildings and old sidewalks? Lacks sense.

More of the interesting things seem to happen in the city. Looking around, the city is obviously insane. What?

A building is ripped out and rebuilt, while surrounded by old sidewalks. What?

Drive a few hours on the interstates, outside of the dense urban/suburban areas. Vast areas of unused wastelands. What difference?

Take that same rectangle of land in the city, transport to any of the abundant open spaces, and it has no value. The value of land in a city is entirely derived from the surrounding social and material matrix. The intrinsic value within the rectangle is near none.

Makes the arguments about “taxes” less meaningful. The value of a plot of land within a city derives entirely from the surrounding matrix. There is a cost to being part of that matrix.

Why do we end up with new buildings and old sidewalks? Disconnect. The source of value is the surrounding matrix. The costs of the matrix need more accurate factoring.

Next time I have a topic.

No Nostalgia


Motivated by some random post on Facebook.

  1. the state of being homesick : homesickness
  2. a wistful or excessively sentimental yearning for return to or of some past period or irrecoverable condition; also : something that evokes nostalgia

Noise on the web-stream about “nostalgia” – made me realize I have none. The common theme is a desire to return to a familiar place or time.
Nope. No Thanks.

This rectangle of space on which I have spent more time than any other place … means nothing to me. Took care of my kids. Kept my promise to them. Otherwise I have no attachment to this place. The majority of my time here was far less than fun.

My kids seem to be very strongly attached to where and how they grew up. They have strong positive memories attached to this place, and past times.

Re-living the past, the common theme of nostalgia, does not sound fun. Return to a past point, with present knowledge, and change things? “Yes! Hell, Yes!!”

With a hint at key points, would have a very different life. Like my kids, but on those other paths, they would not exist. Makes them think.

Choices in music reflect this state of mind. Music collected at a more-or-less steady pace from the late 1970′s through the present. No attachment to any past time. Much folk near my age like old music and “tribute” bands, where I do not. Finding a fair amount of interesting new music. Tempted to prune and purge much of the older material from my collection.

No nostalgia.

House Concert


From the start, I assumed that the advent of the web would allow change the structure of how music was performed and distributed. The web allows more direct connection of all sorts, and in this case between musicians and their audience. Exactly what form that would take, I had no idea.

Let me set the context, here.

When you choose your music, you have your choice of all the music in the world. The music you collect is the best in the world – to your mind and taste.

Now imagine you about to host an event where a couple of the best musicians in the world want to perform in your home! Um, yes please! And … how did this happen? Though a series of small reasonable steps, enabled by connections and contacts via the web.

In the past, I had always assumed any like event would be far too expensive, and beyond my reach. Quite impossible! The reality is turning out a bit different. This will cost me time, and a modest amount of money, but should prove worthwhile for all involved (I hope!!).

This will be the second house concert I host. From the first the musicians got recorded material good enough to release. They used pictures taken in my house as promotional material (including some I took – which makes me unreasonably happy). And generally had a pleasant time meeting the folk in the audience.

The audience is the trick. This is non-mainstream, and I live in a quite conservative part of Orange County. Good music of this sort does not get performed much around here. Even in this area, I am sure there are enough folk to provide a healthy audience. I suspect this is a degrees-of-separation exercise. Find a few folk, they will lead to a few more, who in turn lead to others. Finding an audience is going to take time. In time I hope to find enough folk to host like events more often.

Meanwhile I have flyers to distribute, messages to send, and await RSVPs… :)



Seems there are an increasing number of folk in and around my life that see the world in an … er … different way. Not sure what to make of this, but should at least make an effort.

Went to a meetup a couple months back. Something about yoga and meditation (not much for mysticism). The attendees were mostly young and female. The organizer lead an exercise … something about relaxation, energies, and visions. Found her a bit pesky, as every time I started to relax and drift off … she had something else to say.

My mind wandered a bit during the time relaxed. Usual stuff, no “visions”, or other mystical experience.

Mind drifted … was in an amber field, outside an adobe-walled courtyard, walls gold with late afternoon sun. A bit later … floating in space, earth above, on a open platform with a rank of my cohort, in black armor, relaxed and waiting. The usual stuff when my mind wanders.

Wait, is this what other folk call “visions”?

Puzzle pieces and emotion


This is the picture that broke my drawing.

In college I took a single drawing class, and did somewhat well. Always wanted to take this a bit further.

I took up drawing again, a couple years ago. A local artist hosted sessions in his studio where I could draw against a live model. My drawing improved to the point that I could do figures well enough, but needed practice with faces. Went into my saved favorites from Flickr to find the best faces for practice.

After the above, my drawings became mechanistic, crude, and no longer improved. Had no idea why. My frustration level at the end of a session was incandescent, and I eventually stopped drawing.

In the last several weeks I have gone back to the hosted sessions and tried to draw. My drawings were crude and my frustration level extreme.

Of late I have spent time with folk (musicians) whose emotions are very much on the surface. Very different from the engineers in my working life. Feeling everything seems to be connected with making good music. This connection brought to mind the earlier drawing sessions. When I was drawing well … my emotions were very much active. In a sense, I was a bit in love with subtle female curves, and how light touched the model’s body. (And have a positive disinterest in drawing male models.) The end of a session was a bit painful – like falling out of love.

Thinking back, the drawing above was the inflection point. I had to suppress emotion and could not finish the drawing. In later drawing sessions, my emotions were still off, and I drew poorly.

Went back to the artist’s studio this week. Intentionally kept my emotions on. For the first time in a long while, my drawing improved.

Connections … the girl in the above picture posted a series of photographs to Flickr that were, frankly, brilliant. After a time, her postings slowed, and then stopped. At first she claimed her camera had lost it’s focus. A bit later she admitted the camera was not at fault. I wonder if she too suppressed emotion, without knowing. Feeling everything is painful.

Update: Three weeks and three drawing sessions later, my drawing continues to improve.