valgrindの読み方

本家のFAQに記載がある

http://valgrind.org/docs/manual/faq.html#faq.pronounce

1.1. How do you pronounce "Valgrind"?
The "Val" as in the world "value". The "grind" is pronounced with a short 'i' -- ie. "grinned" (rhymes with "tinned") rather than "grined" (rhymes with "find").

Don't feel bad: almost everyone gets it wrong at first.

なので、"ヴァルグリンド"