profiling multiple dispatch

Subject: profiling multiple dispatch
From: Mayur Naik (naik@india.hp.com)
Date: Thu Dec 14 2000 - 07:07:12 PST

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Hello

I wish to know how profile data (per call site or per GF) for multiple
dispatch is usually stored.

Suppose a GF has 3 args and the possible run-time classes of each arg
are A and B.

Is the profile date stored as:

        A B
arg1: u v
arg2: w x
arg3: y z

where 'u' is the number of times the run-time class of arg1 is A, and
so on, or is it stored as:

(A, A, A): n1
(A, A, B): n2
(A, B, A): n3
(B, A, A): n4
 ...
(B, B, B): n8

where 'n1' is the number of times the run-time class vector
(arg1, arg2, arg3) is (A, A, A), and so on?

Thanks.

    -- Mayur

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