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burncpu: Print . for each round.

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Ole Tange 2019-04-30 21:08:59 +02:00
parent 194996be30
commit 7b93704129
1 changed files with 9 additions and 5 deletions
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burncpu/burncpu
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@ -58,8 +58,8 @@ Run multiple CPU threads using more CPUs.
Stress 2 threads for 0.5 hour: Stress 2 threads for 0.5 hour:
burncpu -T 2 -t 0.5h burncpu -T 2 -t 0.5h
=head1 IDEAS =head1 IDEAS
With load: cpuburn -l 10 With load: cpuburn -l 10
@ -193,20 +193,24 @@ $opt::rounds ||= 2**31;
$opt::threads = multiply_binary_prefix($opt::threads); $opt::threads = multiply_binary_prefix($opt::threads);
$opt::threads ||= 1; $opt::threads ||= 1;
$| = 1;
while(--$opt::threads > 0 and fork()) {} while(--$opt::threads > 0 and fork()) {}
my $starttime = time; my $starttime = time;
while(time <= $starttime+$opt::timeout while(time <= $starttime+$opt::timeout
and and
++$round <= $opt::rounds) { ++$round <= $opt::rounds) {
$opt::verbose and print ".";
if($opt::cache) { if($opt::cache) {
# force cache misses (use around 100 MB) # Largest cache = 15 MB/core (60 MB shared between 4 cores)
# https://ark.intel.com/content/www/us/en/ark/products/93791/intel-xeon-processor-e7-8893-v4-60m-cache-3-20-ghz.html
# force cache misses (use around 130 MB)
# do 10 times fewer rounds # do 10 times fewer rounds
for(my $t = 0; $t < 1000000; $t++){ for(my $t = 0; $t < 1000000; $t++){
$cache{$t%1000000} = $cache{int(rand*1000000)%1000000}++; $cache{$t%1000000} += $cache{int(rand*1000000)%1000000}++;
} }
} else { } else {
for(my $t = 0; $t < 10000000; $t++){} for(my $t = 0; $t < 10000000; $t++){}
} }
} }
wait(); wait();