On Thu, 2 Feb 2023 08:27:55 GMT, Amit Kumar <amitku...@openjdk.org> wrote:
>> DeInflate.java test fails on s390x platform because size for out1 array
>> which is responsible for storing the compressed data is insufficient. And
>> being unable to write whole compressed data on array, on s390 whole data
>> can't be recovered after compression. So this fix increase Array size (for
>> s390).
>
> Amit Kumar has updated the pull request incrementally with one additional
> commit since the last revision:
>
> change acc to Alan comments
Hi Jaikiran, Thank you so much for your inputs :-)
>While we are at it, just for the sake of testing, undo the changes I suggested
>in my last reply and use the current PR's code (afresh) and print out the
>length of the final deflated content, something like:
>```
>out1 = baos.toByteArray();
>System.out.println("Deflated length is: " + out1.length + " for input of
>length: " + len);
>```
>I'm curious how large the deflated content would be.
I guess this is what you want to see ?
> `initial size: 525312`
>
> error I'm facing is on level 1 not on -1.
>
> ```
> level:1, strategy: 0, dowrap: false
> required size: 553018 <- there is an issue
> required size: 283432
> required size: 526225 <- there is an issue
> required size: 301127
> required size: 409196
> level:1, strategy: 0, dowrap: true
> required size: 553012 <- there is an issue
> required size: 44541
> required size: 414324
> required size: 289230
> required size: 176785
> ```
>
> this is result for executing test case 2nd time:
>
> ```
> level:1, strategy: 0, dowrap: false
> required size: 552979 <- there is an issue
> required size: 549979 <- there is an issue
> required size: 49738
> required size: 116661
> required size: 439574
> level:1, strategy: 0, dowrap: true
> required size: 552973 <- there is an issue
> required size: 466730
> required size: 509795
> required size: 94907
> required size: 476173
> ```
>
> All other levels are okay, this could be explained by Ilya's patch. What
> states that `hardware` compression will be used on level 1 and `software`
> compression will be used on all other levels.
>Capacity with out1 * 32: 557056 <-> Buffer we need 552981
>Capacity with out1 * 32: 557056 <-> Buffer we need 552975
>Initial size of out1: 525312
-------------
PR: https://git.openjdk.org/jdk/pull/12283
