search for: naivescheduler

...lem. We can't be sure, but the error message suggests that a promise is getting evaluated with the wrong environment. Here's the relevant output from the tests: 1. Error: pool scheduler: schedules things in the right order (@test-scheduling.R#13) could not find function "task" 1: naiveScheduler$protect({ scheduleTask(1000, function() { results <<- c(results, 3L) }) scheduleTask(100, function() { results <<- c(results, 2L) }) scheduleTask(10, function() { results <<- c(results, 1L) }) }) at test...

...-- 20170405-182559.456628-17 --3-- 20170405-182729.456318-16 --1-- 20170405-182729.456318-16 --2-- 20170405-182729.456318-16 --3-- --2-- 20170405-182549.466875-18 --3-- 1. Error: pool scheduler: schedules things in the right order (@test-scheduling.R#13) could not find function "task" 1: naiveScheduler$protect({ scheduleTask(1e+05, function() { results <<- c(results, 3L) }) scheduleTask(10000, function() { results <<- c(results, 2L) }) scheduleTask(10, function() { results <<- c(results, 1L) }) }) at t...

...r > message suggests that a promise is getting evaluated with the wrong > environment. > > Here's the relevant output from the tests: > 1. Error: pool scheduler: schedules things in the right order > (@test-scheduling.R#13) > could not find function "task" > 1: naiveScheduler$protect({ > scheduleTask(1000, function() { > results <<- c(results, 3L) > }) > scheduleTask(100, function() { > results <<- c(results, 2L) > }) > scheduleTask(10, function() { > results <<...

On Wed, Apr 5, 2017 at 2:24 PM, Robert McGehee <rmcgehee at walleyetrading.net> wrote: > Winston, > I had a similar experience to you tracking down an insanely difficult bug > in my R code that "disappeared" whenever slight changes were made to the > script (e.g. like adding cat() statements). In my case, it coincided with > my over-eager compilation of R and its

...-- 20170405-182559.456628-17 --3-- 20170405-182729.456318-16 --1-- 20170405-182729.456318-16 --2-- 20170405-182729.456318-16 --3-- --2-- 20170405-182549.466875-18 --3-- 1. Error: pool scheduler: schedules things in the right order (@test-scheduling.R#13) could not find function "task" 1: naiveScheduler$protect({ scheduleTask(1e+05, function() { results <<- c(results, 3L) }) scheduleTask(10000, function() { results <<- c(results, 2L) }) scheduleTask(10, function() { results <<- c(results, 1L) }) }) at t...

> > >> I've done some more investigation into the problem, and it is very difficult to pin down. What it looks like is happening is roughly like this: - `p` is an environment and `p$e` is also an environment. - There is a loop. In each iteration, it looks for one item in `p$e`, saves it in a variable `x`, then removes that item from `p$e`. Then it invokes `x()`. The loop runs