I have a program on Windows that tries to distribute its work over multiple
threads. They key function is this:
proc doJobs(config: Config) =
var responses = newSeq[FlowVarBase]()
for filename in getFilenames(config):
responses.add(spawn doOneJob(config, filename))
sync()
It never uses more than 1 CPU (i.e., the load is <=25% and there are 4 CPUs). I
have the line threads:on in nim.cfg in the same directory as the .nim file.
Sometimes it crashes (see below, but the crashes vary).
But even if it worked, I can't see how to read the data from the responses
(doOneJob returns a string). I tried this approach:
proc doJobs(config: Config) =
var responses = newSeq[FlowVarBase]()
for filename in getFilenames(config):
responses.add(spawn doOneJob(config, filename))
sync()
while responses.len() > 0:
let i = awaitAny(responses)
# HOW to retrieve the result string from responses[i] ???
responses.delete(i)
But I don't know how to retrieve each result. (And it crashes just the same as
the first version.)
Problem signature:
Problem Event Name: APPCRASH
Application Name: searchpdfscmd_mt.exe
Application Version: 0.0.0.0
Application Timestamp: 58cbf004
Fault Module Name: KERNELBASE.dll
Fault Module Version: 6.1.7601.17514
Fault Module Timestamp: 4ce7c78c
Exception Code: 0eedfade
Exception Offset: 000000000000a49d
OS Version: 6.1.7601.2.1.0.768.3
Locale ID: 2057
Additional Information 1: 1eed
Additional Information 2: 1eed067d6796a8e0420d9b30949e74df
Additional Information 3: 1bea
Additional Information 4: 1beaf66c25b9dc300af529f0c5670747
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