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ldap-haskell's Issues

Performance issue

Getting the result of a request returning 5000 SearchEntry takes about 5 mins on my machine with a local server vs less than a sec using ldapsearch or the haskell bindings.

I'm not sure if the issue is to blame to ldap-client tho, digging a bit into it and it seems the main cost centers are caused by functions from Data.ASN1.* from theses libraries : https://github.com/vincenthz/hs-asn1

	Mon Mar  7 11:22 2022 Time and Allocation Profiling Report  (Final)

	   proto-ldap +RTS -p -RTS

	total time  =      182.49 secs   (182487 ticks @ 1000 us, 1 processor)
	total alloc = 628,984,851,976 bytes  (excludes profiling overheads)

COST CENTRE   MODULE                         SRC                                                %time %alloc

getWord8      Data.ASN1.Get                  Data/ASN1/Get.hs:(200,1)-(204,43)                   45.3   44.7
runParseState Data.ASN1.BinaryEncoding.Parse Data/ASN1/BinaryEncoding/Parse.hs:(79,1)-(135,47)   31.8   32.3
getHeader     Data.ASN1.Serialize            Data/ASN1/Serialize.hs:(22,1)-(26,37)               14.3   12.0
getBytes      Data.ASN1.Get                  Data/ASN1/Get.hs:(191,1)-(197,13)                    8.1   10.8

Reporting cause I think that information needs to be visible somewhere.

Are you aware of this performance issue ?

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