Re: [PATCH] md5: accepts a new --threads option (original) (raw)

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Giuseppe Scrivano wrote:

I created four files: a' and b' are 150Mb, differently c' and d' are few Kb. These are the results I get:

$ time ./sha1sum --threads /tmp/testfiles/* 09e00486b4fb88805f7261fac1dd4c7f0ee7640e /tmp/testfiles/a 203c0607c7ebff14ecf23b37005a714f2dc19b0b /tmp/testfiles/b 3f786850e387550fdab836ed7e6dc881de23001b /tmp/testfiles/c d7c8127a20a396cff08af086a1c695b0636f0c29 /tmp/testfiles/d

real 0m1.804s

$ time find /tmp/testfiles/* | xargs -n4 -P2 ./sha1sum 09e00486b4fb88805f7261fac1dd4c7f0ee7640e /tmp/testfiles/a 203c0607c7ebff14ecf23b37005a714f2dc19b0b /tmp/testfiles/b 3f786850e387550fdab836ed7e6dc881de23001b /tmp/testfiles/c d7c8127a20a396cff08af086a1c695b0636f0c29 /tmp/testfiles/d

real 0m3.288s

With -n4 only 1 process would be started. Could you repeat with -n1 please for comparison. One would only need to increase -n for large numbers of files.

thanks, Pádraig.

• Re: [PATCH] core-count: A new program to count the number of cpu cores, (continued)
  * Re: [PATCH] core-count: A new program to count the number of cpu cores, Paolo Bonzini, 2009/10/27
  * Re: [PATCH] core-count: A new program to count the number of cpu cores, Bruno Haible, 2009/10/27
  * Re: [PATCH] core-count: A new program to count the number of cpu cores, Giuseppe Scrivano, 2009/10/27
  * Re: [PATCH] core-count: A new program to count the number of cpu cores, Giuseppe Scrivano, 2009/10/31
  * Re: [PATCH] core-count: A new program to count the number of cpu cores, Jim Meyering, 2009/10/31
  * Re: [PATCH] core-count: A new program to count the number of cpu cores, Giuseppe Scrivano, 2009/10/31
  * Re: [PATCH] core-count: A new program to count the number of cpu cores, Jim Meyering, 2009/10/31
  * Re: [PATCH] core-count: A new program to count the number of cpu cores, Pádraig Brady, 2009/10/31
  * Re: [PATCH] core-count: A new program to count the number of cpu cores, Giuseppe Scrivano, 2009/10/31
  * Re: [PATCH] md5: accepts a new --threads option, Giuseppe Scrivano, 2009/10/17
  * Re: [PATCH] md5: accepts a new --threads option,Pádraig Brady <=
  * Re: [PATCH] md5: accepts a new --threads option, Giuseppe Scrivano, 2009/10/18
  * Re: [PATCH] md5: accepts a new --threads option, Pádraig Brady, 2009/10/20
  * Re: [PATCH] md5: accepts a new --threads option, Pádraig Brady, 2009/10/20
  * Re: [PATCH] md5: accepts a new --threads option, Jim Meyering, 2009/10/21
  * Re: [PATCH] md5: accepts a new --threads option, Pádraig Brady, 2009/10/21
  * Re: [PATCH] md5: accepts a new --threads option, Jim Meyering, 2009/10/21
  * Re: [PATCH] md5: accepts a new --threads option, Pádraig Brady, 2009/10/21
  * Re: [PATCH] md5: accepts a new --threads option, Jim Meyering, 2009/10/21
  * Re: [PATCH] md5: accepts a new --threads option, Pádraig Brady, 2009/10/21
  * RE: [PATCH] md5: accepts a new --threads option, Voelker, Bernhard, 2009/10/21

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