Re: SerializeParamList vs machines with strict alignment

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>
Cc: Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>, hlinnaka <hlinnaka(at)iki(dot)fi>
Subject: Re: SerializeParamList vs machines with strict alignment
Date: 2018-10-02 18:55:29
Message-ID: 1472.1538506529@sss.pgh.pa.us
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Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> writes:
>> Okay, I have pushed the test case patch on HEAD. Attached is the
>> code-fix patch, let's wait for a day so that we have all the results
>> which can help us to discuss the merits of this patch.

> By now, the added test has failed on gharial [1] with below log on the server:

Yeah, gharial and anole both don't like this, which is interesting
but not really surprising, considering that IA64 is in some part
an HPPA follow-on architecture. What I find more interesting is
that both of the live Sparc critters are happy --- so despite
Thomas' statements upthread, they're coping with unaligned accesses.
Maybe you should have back-patched the test to older branches so
we could see what castoroides and protosciurus would do. But it's
probably not worth additional delay.

regards, tom lane

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